solution
stringlengths 10
159k
| difficulty
int64 0
3.5k
| language
stringclasses 2
values |
|---|---|---|
import sys, bisect
input = sys.stdin.readline
for _ in range(int(input())):
n = int(input())
a = list(map(int, input().split()))
printed = False
for i in range(n - 1):
if abs(a[i + 1] - a[i]) > 1:
print('YES')
print(i + 1, i + 2)
printed = True
break
if not printed:
print('NO')
| 1,200 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int n;
int fa[100010];
vector<int> v[100010];
int dep;
int cnt[100010];
void dfs(int x, int d) {
cnt[d]++;
dep = max(d, dep);
for (auto y : v[x]) {
dfs(y, d + 1);
}
}
int main(int argc, char const *argv[]) {
scanf("%d", &n);
for (int i = 2; i <= n; i++) {
int x;
scanf("%d", &x);
v[x].push_back(i);
}
dfs(1, 1);
int ans = 0;
for (int i = 1; i <= dep; i++) {
ans += (cnt[i] & 1);
}
std::cout << ans << '\n';
return 0;
}
| 1,500 | CPP |
#include <bits/stdc++.h>
#pragma warning(disable : 4996)
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout << fixed << setprecision(15);
string str;
cin >> str;
int l = 0;
for (int i = 1; i < str.length(); ++i) {
if (isupper(str[i])) l++;
}
if (l == str.length() - 1) {
for (int i = 1; i < str.length(); ++i) {
str[i] = tolower(str[i]);
}
if (isupper(str[0]))
str[0] = tolower(str[0]);
else
str[0] = toupper(str[0]);
}
cout << str;
return 0;
}
| 1,000 | CPP |
n, m, q = map(int, input().split())
x = [0 for i in range(n+1)]
b = input()
s = input()
for i in range(n-m+1):
f = True
for j in range(i, i+m):
if b[j] != s[j-i]:
f = False
break
if f:
x[i+m] = 1
for i in range(1, n+1):
x[i] = x[i] + x[i-1]
x += [x[-1] for i in range(m)]
for _ in range(q):
l, r = map(int, input().split())
print(max(x[r]-x[l+m-2], 0)) | 1,300 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int NUM = 200100;
int main() {
int n;
scanf("%d", &n);
char loc[NUM];
scanf("%s", loc);
unordered_map<int, int> m;
int rooms = (n - 1) * 2;
int ans = 0;
for (int i = 0; i != rooms; i += 2) {
m[loc[i] - 'a']++;
if (m[loc[i + 1] - 'A'] == 0) {
ans++;
} else {
m[loc[i + 1] - 'A']--;
}
}
printf("%d\n", ans);
return 0;
}
| 1,100 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 10;
int equ[2 * maxn], cover[2 * maxn], a[maxn];
int main() {
int T;
cin >> T;
while (T--) {
int n, k;
scanf("%d%d", &n, &k);
for (int i = 1; i <= n; i++) scanf("%d", a + i);
fill(equ, equ + 2 * k + 5, 0);
fill(cover, cover + 2 * k + 5, 0);
for (int i = 1; i <= n / 2; i++) equ[a[i] + a[n - i + 1]]++;
for (int i = 1; i <= n / 2; i++) {
cover[min(a[i], a[n - i + 1]) + 1]++;
cover[max(a[i], a[n - i + 1]) + k + 1]--;
}
for (int i = 3; i <= 2 * k; i++) cover[i] += cover[i - 1];
int ans = INT_MAX;
for (int x = 2; x <= 2 * k; x++)
ans = min(ans, cover[x] - equ[x] + (n / 2 - cover[x]) * 2);
printf("%d\n", ans);
}
return 0;
}
| 1,700 | CPP |
n = int(input())
def binarySearch(l, b):
length = len(l)
if length == 1:
if l[0] + b > 0:
return 1
return 0
if l[length // 2] + b > 0:
return length - length // 2 + binarySearch(l[:length // 2], b)
elif length //2 + 1 < length:
return binarySearch(l[length//2 + 1 :], b)
return 0
a = list(map(int, input().split()))
b = list(map(int, input().split()))
c = []
#d = []
for i in range(n):
c.append(a[i] - b[i])
#d.append(b[i] - a[i])
count = 0
c.sort()
ind = n
for i in range(n):
if c[i] > 0:
ind = i
break
ind2 = n
#x = 0
'''
if ind == 0:
count += n * (n-1) // 2
else:
for i in range(ind, n):
if ind2 > 0:
x = binarySearch(c[:ind2], c[i])
else:
count += (n-i) * (2*i + n-i-1) // 2
break
count += i - ind2 + x
ind2 -= x
'''
while n-1 >= ind:
num = c[n - ind2] + c[n - 1] > 0
count += num * (ind2 - 1)
n -= num
ind2 -= 1
print(count)
| 1,400 | PYTHON3 |
n = int(input())
d = {}
for i in map(int, input().split()):
d[i] = d.get(i, 0) + 1
a = list(sorted(d.keys()))
ans = 0
s = set()
for i in sorted(d):
if d[i] == 1:
if i in s:
if i - 1 in s:
s.add(i + 1)
else:
s.add(max(i - 1, 1))
else:
if i - 1 in s:
s.add(i)
else:
s.add(max(i - 1, 1))
elif d[i] == 2:
if i - 1 in s:
s.add(i)
s.add(i + 1)
else:
s.add(max(i - 1, 1))
if i in s:
s.add(i + 1)
else:
s.add(i)
else:
s.add(max(i - 1, 1))
s.add(i)
s.add(i + 1)
print(len(s))
| 1,500 | PYTHON3 |
n = int(input())
coord = list(map(int,input().split()))
ans = n
for i in coord:
s = 0
for j in coord:
if abs(i-j) % 2 != 0: s += 1
if s < ans: ans = s
print(ans)
| 900 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int k, n, m;
int main() {
cin >> k;
while (k--) {
string s;
cin >> s;
int l = s.size();
bool one = false;
int ans = 0, tmp = 0;
for (int i = 0; i < l; i++) {
if (s[i] == '1' && !one) {
one = true;
} else if (s[i] == '0' && one) {
tmp++;
} else if (s[i] == '1' && one) {
ans += tmp;
tmp = 0;
}
}
cout << ans << endl;
}
return 0;
}
| 800 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int mod = 1e9 + 7;
const int maxn = 1005;
int f1[maxn][15], f2[maxn][15];
int pre[maxn], suf[maxn];
int main() {
int n, m;
scanf("%d%d", &n, &m);
f1[0][0] = 1;
for (int len = 1; len <= m; len++) {
for (int i = 1; i <= n; i++) {
for (int j = 0; j <= i; j++) {
f1[i][len] = ((long long)f1[i][len] + f1[j][len - 1]) % mod;
}
}
}
f2[n + 1][0] = 1;
for (int len = 1; len <= m; len++) {
for (int i = n; i >= 1; i--) {
for (int j = n + 1; j >= i; j--) {
f2[i][len] = ((long long)f2[i][len] + f2[j][len - 1]) % mod;
}
}
}
for (int i = n; i >= 1; i--)
suf[i] = ((long long)suf[i + 1] + f2[i][m]) % mod;
int ans = 0;
for (int i = 1; i <= n; i++) {
ans = (ans + (long long)f1[i][m] * suf[i]) % mod;
}
printf("%d\n", ans);
return 0;
}
| 1,600 | CPP |
#include <bits/stdc++.h>
using namespace std;
inline void read(int &x) {
int v = 0, f = 1;
char c = getchar();
while (!isdigit(c) && c != '-') c = getchar();
if (c == '-')
f = -1;
else
v = (c & 15);
while (isdigit(c = getchar())) v = (v << 1) + (v << 3) + (c & 15);
x = v * f;
}
inline void read(long long &x) {
long long v = 0ll, f = 1ll;
char c = getchar();
while (!isdigit(c) && c != '-') c = getchar();
if (c == '-')
f = -1;
else
v = (c & 15);
while (isdigit(c = getchar())) v = (v << 1) + (v << 3) + (c & 15);
x = v * f;
}
inline void readc(char &x) {
char c;
while (((c = getchar()) == ' ') || c == '\n')
;
x = c;
}
inline void writes(string s) { puts(s.c_str()); }
inline void writeln() { writes(""); }
inline void writei(int x) {
if (x < 0) {
putchar('-');
x = abs(x);
}
if (!x) putchar('0');
char a[25];
int top = 0;
while (x) {
a[++top] = (x % 10) + '0';
x /= 10;
}
while (top) {
putchar(a[top]);
top--;
}
}
inline void writell(long long x) {
if (x < 0) {
putchar('-');
x = abs(x);
}
if (!x) putchar('0');
char a[25];
int top = 0;
while (x) {
a[++top] = (x % 10) + '0';
x /= 10;
}
while (top) {
putchar(a[top]);
top--;
}
}
const int dx[9] = {0, -2, -2, -1, -1, 1, 1, 2, 2},
dy[9] = {0, -1, 1, -2, 2, -2, 2, -1, 1};
int n, m, i, j, dis[1005][1005][2], x, y, xx, yy;
bool inmap(int x, int y) { return 1 <= x && x <= n && 1 <= y && y <= m; }
void bfs(int x, int y, int typ) {
dis[x][y][typ] = 0;
queue<int> qx, qy;
qx.push(x);
qy.push(y);
while (!qx.empty()) {
int x = qx.front(), y = qy.front();
int i;
qx.pop();
qy.pop();
for (((i)) = (1); ((i)) <= ((8)); ((i))++) {
int nx = x + dx[i], ny = y + dy[i];
if (inmap(nx, ny) && dis[nx][ny][typ] > dis[x][y][typ] + 1) {
dis[nx][ny][typ] = dis[x][y][typ] + 1;
qx.push(nx);
qy.push(ny);
}
}
}
}
void solve(int x, int y, int typ) {
for (;;) {
if (dis[x][y][typ] == 0) break;
int i;
for (((i)) = (1); ((i)) <= ((8)); ((i))++) {
int nx = x + dx[i], ny = y + dy[i];
if (inmap(nx, ny) && dis[nx][ny][typ] == dis[x][y][typ] - 1) {
printf("%d %d\n", nx, ny);
x = nx;
y = ny;
break;
}
}
}
}
int main() {
scanf("%d%d", &n, &m);
scanf("%d%d%d%d", &x, &y, &xx, &yy);
memset((dis), (0x16), (sizeof((dis))));
bfs(n / 2, m / 2, 0);
bfs(n / 2 + 1, m / 2, 1);
double wg = dis[x][y][0];
double wb = dis[x][y][1];
double bg = dis[xx][yy][1] + 0.5;
double bb = dis[xx][yy][0] + 0.5;
if ((x + y) % 2 == (xx + yy) % 2) {
if (bg < wg) {
puts("BLACK");
solve(xx, yy, 1);
return 0;
}
if (bb < wg + 1) {
puts("BLACK");
solve(xx, yy, 0);
solve(n / 2, m / 2, 1);
return 0;
}
puts("WHITE");
solve(x, y, 0);
} else {
if (wg < bg) {
puts("WHITE");
solve(x, y, 0);
return 0;
}
if (wb < bg + 1) {
puts("WHITE");
solve(x, y, 1);
solve(n / 2 + 1, m / 2, 0);
return 0;
}
puts("BLACK");
solve(xx, yy, 1);
}
return 0;
}
| 2,900 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
;
long long int t;
cin >> t;
while (t--) {
long long int n;
cin >> n;
long long int a[2 * n], bc = 0, sc = 0, d[n], x = 0, y = 0;
long long int diffp[100005], diffn[100005];
memset(diffp, -1, sizeof(diffp));
memset(diffn, -1, sizeof(diffn));
diffp[0] = 0;
for (long long int i = 0; i < 2 * n; i++) cin >> a[i];
for (long long int i = n - 1; i >= 0; i--) {
if (a[i] == 1)
sc++;
else
bc++;
d[i] = sc - bc;
}
for (long long int i = n; i < 2 * n; i++) {
if (a[i] == 1) {
sc++;
x++;
} else {
bc++;
y++;
}
if (x - y < 0 && diffn[y - x] == -1)
diffn[y - x] = i - n + 1;
else if (x - y >= 0 && diffp[x - y] == -1)
diffp[x - y] = i - n + 1;
}
if (sc == bc) {
cout << "0" << endl;
continue;
}
y = sc - bc;
long long int ans = INT_MAX;
if (sc - bc < 0 && diffn[bc - sc] != -1)
ans = diffn[bc - sc];
else if (sc - bc >= 0 && diffp[y] != -1)
ans = diffp[sc - bc];
for (long long int i = n - 1; i >= 0; i--) {
y = sc - bc - d[i];
if (y < 0 && diffn[abs(y)] != -1) {
ans = min(ans, diffn[abs(y)] + n - i);
} else if (y >= 0 && diffp[y] != -1) {
ans = min(ans, diffp[y] + n - i);
}
}
cout << ans << endl;
}
}
| 1,700 | CPP |
from fractions import gcd
a,b,n=map(int,input().split())
s1=0
s2=0
for i in range(0,n):
n-=gcd(a,n)
s1+=1
if n==0:
break
n-=gcd(b,n)
s2+=1
if n==0:
break
if s1>s2:
print(0)
else:
print(1) | 800 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int n, cnt, a[220000];
long long sum;
int main() {
scanf("%d", &n);
for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
for (int l = 1; l <= n; l++) {
sum = a[l + 1];
for (int r = l + 2; r <= n; r++) {
if (a[l] < a[r]) {
sum += a[r];
if (sum > (1 << ((int)log2(a[l]) + 1))) break;
continue;
}
if ((a[l] ^ a[r]) == sum) cnt++;
sum += a[r];
if (sum > (1 << ((int)log2(a[l]) + 1))) break;
}
}
reverse(a + 1, a + n + 1);
for (int l = 1; l <= n; l++) {
sum = a[l + 1];
for (int r = l + 2; r <= n; r++) {
if (a[l] <= a[r]) {
sum += a[r];
if (sum > (1 << ((int)log2(a[l]) + 1))) break;
continue;
}
if ((a[l] ^ a[r]) == sum) cnt++;
sum += a[r];
if (sum > (1 << ((int)log2(a[l]) + 1))) break;
}
}
printf("%d", cnt);
return 0;
}
| 2,500 | CPP |
t = int(input())
for _ in range(t):
n, k, d = map(int, input().split())
a = list(map(int, input().split()))
m = dict()
for i in range(d):
if a[i] not in m:
m[a[i]] = 0
m[a[i]] += 1
ans = len(m)
for i in range(n - d):
m[a[i]] -= 1
if m[a[i]] == 0:
m.pop(a[i])
if a[i + d] not in m:
m[a[i + d]] = 0
m[a[i + d]] += 1
ans = min(ans, len(m))
print(ans)
| 1,000 | PYTHON3 |
from collections import deque
import math
def main():
n = int(input())
t = input().strip()
s_list = deque()
for i in range(round(math.sqrt(2 * n + 1 / 4) - (1 / 2))):
s_list.append(t[i*(i+1)//2])
print("".join(s_list))
main()
| 800 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int N = 20, Mod = 1e9 + 7;
int pl, pr, vl, vr, k;
long double p, q;
vector<int> v;
void count(int t) {
int L, R;
L = min(v[t], pr) - max(v[t - 1] + 1, pl);
R = min(v[t + k] - 1, vr) - max(v[t + k - 1], vl);
p += max(L + 1, 0) * 1ll * max(R + 1, 0);
L = min(v[t], vr) - max(v[t - 1] + 1, vl);
R = min(v[t + k] - 1, pr) - max(v[t + k - 1], pl);
p += max(L + 1, 0) * 1ll * max(R + 1, 0);
if (k == 1) {
if (vl <= v[t] && v[t] <= vr && pl <= v[t] && v[t] <= pr) p--;
}
}
void add(int length) {
for (int i = 0; i < (1 << length); i++) {
int num = 0;
for (int j = 0; j < length; j++) {
num *= 10;
if (i & (1 << j))
num += 4;
else
num += 7;
}
v.push_back(num);
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> pl >> pr >> vl >> vr >> k;
q = (pr - pl + 1) * 1ll * (vr - vl + 1);
for (int i = 1; i <= 9; i++) add(i);
v.push_back(0);
v.push_back(Mod);
v.push_back(Mod);
sort(v.begin(), v.end());
int n = v.size();
for (int i = 1; i < n - k - 1; i++) {
count(i);
}
cout << fixed << setprecision(10) << p / q;
return 0;
}
| 1,900 | CPP |
#include <bits/stdc++.h>
using namespace std;
int N, p[500001];
pair<int, int> tree1[500001], tree2[500001];
vector<pair<int, int> > g1[500001];
list<int> g2[500001];
list<int>::iterator edges[500001][2];
int parent(int x) { return (p[x] == x) ? x : (p[x] = parent(p[x])); }
void merge(int x, int y) { p[parent(x)] = parent(y); }
void dfs(int x, int p = 0) {
for (auto e : g1[x]) {
int y = e.first, e1 = e.second;
if (y != p) {
dfs(y, x);
int yy = parent(y);
int e2 = *g2[yy].begin();
printf("%d %d %d %d\n", tree1[e1].first, tree1[e1].second,
tree2[e2].first, tree2[e2].second);
int a = parent(tree2[e2].first), b = parent(tree2[e2].second);
g2[a].erase(edges[e2][0]);
g2[b].erase(edges[e2][1]);
g2[a].splice(g2[a].begin(), g2[b]);
merge(b, a);
}
}
}
int main() {
scanf("%d", &N);
iota(p + 1, p + N + 1, 1);
for (int i = 0; i < (N - 1); ++i) {
scanf("%d%d", &tree1[i].first, &tree1[i].second);
if (tree1[i].first > tree1[i].second) swap(tree1[i].first, tree1[i].second);
}
for (int i = 0; i < (N - 1); ++i) {
scanf("%d%d", &tree2[i].first, &tree2[i].second);
if (tree2[i].first > tree2[i].second) swap(tree2[i].first, tree2[i].second);
}
sort(tree1, tree1 + N - 1);
sort(tree2, tree2 + N - 1);
int i1 = 0, i2 = 0, N1 = 0, N2 = 0;
while (i1 < N - 1 || i2 < N - 1) {
if (i1 < N - 1 && i2 < N - 1 && tree1[i1] == tree2[i2]) {
merge(tree1[i1].first, tree1[i1].second);
++i1;
++i2;
} else if (i2 == N - 1 ||
(i1 < N - 1 && i2 < N - 1 && tree1[i1] < tree2[i2])) {
if (N1 != i1) tree1[N1] = tree1[i1];
++N1;
++i1;
} else {
if (N2 != i2) tree2[N2] = tree2[i2];
++N2;
++i2;
}
}
for (int i = 0; i < (N1); ++i) {
int a = parent(tree1[i].first), b = parent(tree1[i].second);
g1[a].emplace_back(b, i);
g1[b].emplace_back(a, i);
}
for (int i = 0; i < (N2); ++i) {
int a = parent(tree2[i].first), b = parent(tree2[i].second);
g2[a].push_front(i);
edges[i][0] = g2[a].begin();
g2[b].push_front(i);
edges[i][1] = g2[b].begin();
}
printf("%d\n", N1);
dfs(parent(1));
return 0;
}
| 3,200 | CPP |
import sys
input = sys.stdin.readline
n=int(input())
P=[1]+list(map(int,input().split()))
A=list(map(int,input().split()))
for i in range(n):
P[i]-=1
Y=[1]*n
for i in range(n):
Y[P[i]]=0
#print(Y)
for i in range(n-1,0,-1):
Y[P[i]]+=Y[i]
S=[a for a in A]
for i in range(n-1,0,-1):
S[P[i]]+=S[i]
OK=sum(A)
NG=-1
while OK-NG>1:
mid=(OK+NG)//2
for i in range(n):
if Y[i]*mid<S[i]:
NG=mid
break
else:
OK=mid
print(OK)
| 1,900 | PYTHON3 |
from sys import stdin, exit
inputs = map(int, next(stdin).split())
outputs = map(int, next(stdin).split())
extras = [x - y for x, y in zip(inputs, outputs)]
for i in range(3):
if extras[i] < 0:
for x in range(3):
while extras[i] < 0 and extras[x] > 1:
extras[i] += 1
extras[x] -= 2
if extras[i] < 0:
print("NO")
exit(0)
print("YES")
| 1,200 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int MAXNLAY = 1000010;
const int MAXNCOL = 1000010;
const int MAXLAYL = 5010;
const int MAXSUML = 10000010;
int nLay, nCol, prm;
int layL[MAXNLAY], maxLayL, sumL[MAXNLAY];
int perm[MAXLAYL], fact[MAXLAYL];
int g[MAXLAYL][MAXLAYL];
int f[MAXSUML];
int inData() {
scanf("%d %d %d", &nLay, &nCol, &prm);
for (int i = 1; i <= nLay; i++) scanf("%d", &layL[i]);
return 0;
}
inline int h(int i, int j) { return sumL[i - 1] + j; }
int solve() {
sumL[0] = 0;
maxLayL = 0;
for (int i = 1; i <= nLay; i++) {
sumL[i] = (sumL[i - 1] + layL[i]) % prm;
maxLayL = max(maxLayL, layL[i]);
}
g[1][1] = 1;
for (int i = 2; i <= maxLayL; i++) {
g[i][1] = 0;
for (int j = 2; j < i; j++)
g[i][j] = (g[i - 1][j - 1] + (long long)g[i - 1][j] * (j - 1)) % prm;
g[i][i] = 1;
}
perm[0] = 1;
for (int i = 1; i <= maxLayL; i++)
perm[i] = (long long)perm[i - 1] * (nCol - i + 1) % prm;
fact[0] = 1;
for (int i = 1; i <= maxLayL; i++) fact[i] = (long long)fact[i - 1] * i % prm;
for (int j = 1; j <= layL[1]; j++)
f[h(1, j)] = (long long)g[layL[1]][j] * perm[j] % prm;
for (int i = 2; i <= nLay; i++) {
int sum = 0;
for (int j = 1; j <= layL[i - 1]; j++) sum = (sum + f[h(i - 1, j)]) % prm;
for (int j = 1; j <= layL[i]; j++)
if (j <= layL[i - 1])
f[h(i, j)] = (long long)g[layL[i]][j] *
((long long)sum * perm[j] % prm -
(long long)f[h(i - 1, j)] * fact[j] % prm + prm) %
prm;
else
f[h(i, j)] = (long long)g[layL[i]][j] * sum % prm * perm[j] % prm;
}
int ans = 0;
for (int j = 1; j <= layL[nLay]; j++) ans = (ans + f[h(nLay, j)]) % prm;
printf("%d", ans);
return 0;
}
int main() {
inData();
solve();
return 0;
}
| 2,600 | CPP |
x=sorted([int(x) for x in input().split( )])
if (x[0]+x[3]==x[1]+x[2] or x[0]+x[1]+x[2]==x[3]) :
print("YES")
else :
print("NO") | 800 | PYTHON3 |
#include <bits/stdc++.h>
int a, h, w;
int extended_euclid(int a, int b, int &x, int &y) {
if (b == 0) {
x = 1;
y = 0;
return a;
}
int ans = extended_euclid(b, a % b, x, y);
int p = y;
y = x - a / b * y;
x = p;
if (x < 0) {
y += (x / b - 1) * a;
x -= (x / b - 1) * b;
}
if (x > b) {
y += x / b * a;
x %= b;
}
return ans;
}
int main() {
scanf("%d%d%d", &a, &w, &h);
if (h < a || w < a) {
return printf("-1\n"), 0;
}
if (h < w) {
std::swap(h, w);
}
int u = a + h, b = h - w, v = a + w, x, y;
int gcd = extended_euclid(-u, v, x, y);
if (b % gcd) {
return printf("-1\n"), 0;
}
x *= b / gcd, y *= b / gcd;
int c = std::abs(v / gcd);
x = (x % c + c) % c;
int max = w / a / c + 1;
int p = max * c + x;
while (1ll * p * a > w) {
p -= c;
}
if (p > 0) {
return printf("%.10lf\n", 1.0 * (w - 1ll * p * a) / (p + 1)), 0;
}
return printf("-1\n"), 0;
}
| 2,700 | CPP |
for _ in range(int(input())):
n=int(input())
arr=[int(x) for x in input().split()]
arr.sort()
left=0
right=n-1
ans=1
c=0
ans=max(arr[n-1]*arr[n-2]*arr[n-3]*arr[n-4]*arr[n-5],arr[0]*arr[1]*arr[n-1]*arr[n-2]*arr[n-3],arr[0]*arr[1]*arr[2]*arr[3]*arr[-1])
print(ans) | 1,200 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 9;
int n, m, k;
vector<int> e[maxn];
int vis[maxn], ru[maxn];
queue<int> q;
vector<int> s;
bool serch(int x, int y) {
int l = 0, r = e[x].size();
while (l <= r) {
int mid = (l + r) >> 1;
if (e[x][mid] < y) {
l = mid + 1;
} else if (e[x][mid] == y) {
return true;
} else {
r = mid - 1;
}
}
return false;
}
bool check() {
for (int x = 0; x < s.size(); x++) {
for (int y = 0; y < s.size(); y++) {
if (s[x] == s[y]) continue;
if (!binary_search(e[s[x]].begin(), e[s[x]].end(), s[y])) return false;
}
}
return true;
}
bool solve() {
for (int i = 1; i <= n; i++) {
ru[i] = e[i].size();
if (ru[i] < k) {
q.push(i);
vis[i] = 1;
}
}
while (!q.empty()) {
int u = q.front();
vis[u] = 2;
q.pop();
if (ru[u] == k - 1 && s.empty()) {
s.push_back(u);
for (int i = 0; i < e[u].size(); i++) {
int v = e[u][i];
if (vis[v] != 2) s.push_back(v);
}
if (!check()) s.clear();
}
for (int i = 0; i < e[u].size(); i++) {
ru[e[u][i]]--;
if (ru[e[u][i]] < k && vis[e[u][i]] == 0) {
q.push(e[u][i]);
vis[e[u][i]] = 1;
}
}
}
int ans = 0;
for (int i = 1; i <= n; i++)
if (!vis[i]) ans++;
if (ans) {
printf("1 %d\n", ans);
for (int i = 1; i <= n; i++) {
if (!vis[i]) {
printf("%d ", i);
}
}
puts("");
return true;
} else if (s.size()) {
printf("2\n");
for (int i = 0; i < s.size(); i++) {
printf("%d ", s[i]);
}
puts("");
return true;
}
return false;
}
void init() {
s.clear();
while (!q.empty()) q.pop();
for (int i = 1; i <= n; i++) e[i].clear(), vis[i] = 0;
for (int i = 1; i <= m; i++) {
int u, v;
scanf("%d%d", &u, &v);
e[u].push_back(v);
e[v].push_back(u);
}
for (int i = 1; i <= n; i++) {
sort(e[i].begin(), e[i].end());
}
}
int main() {
int t;
scanf("%d", &t);
while (t--) {
scanf("%d%d%d", &n, &m, &k);
init();
if (k * (k - 1) / 2 > m) {
printf("-1\n");
continue;
}
if (solve()) continue;
printf("-1\n");
}
}
| 2,600 | CPP |
#include <bits/stdc++.h>
using namespace std;
const long long llINF = 9223372036854775807;
const int INF = 2147483647;
const int maxn = 2e5 + 7;
const int maxm = 1e6 + 7;
const int ALP = 26;
const long long mod = 1e9 + 7;
const double pi = acos(-1.0);
const double eps = 1e-8;
int T;
int r, c, k;
char s[107][107];
char ans[107][107];
set<char> table;
void init() {
table.clear();
memset(s, 0, sizeof(s));
memset(ans, 0, sizeof(ans));
for (int i = 0; i < 26; i++) table.insert('A' + i);
for (int i = 0; i < 26; i++) table.insert('a' + i);
for (int i = 0; i < 10; i++) table.insert('0' + i);
}
int main() {
scanf("%d", &T);
while (T--) {
init();
scanf("%d%d%d", &r, &c, &k);
for (int i = 1; i <= r; i++) scanf("%s", s[i] + 1);
int sum = 0;
for (int i = 1; i <= r; i++)
for (int j = 1; j <= c; j++) sum += (s[i][j] == 'R');
int num = sum / k, res = sum % k;
char idx = *table.begin();
table.erase(table.begin());
int cur = 0;
int j = 1;
int cnt = 0;
for (int i = 1; i <= r; i++) {
if (i % 2 == 1) {
while (j <= c) {
ans[i][j] = idx;
cur += (s[i][j] == 'R');
if (s[i][j] == 'R') cnt++;
if (cur == num + 1 && res > 0) {
cur = 0;
if (!table.empty() && sum - cnt > 0) {
idx = *table.begin();
table.erase(table.begin());
}
res--;
} else if (cur == num && res == 0) {
cur = 0;
if (!table.empty() && sum - cnt > 0) {
idx = *table.begin();
table.erase(table.begin());
}
}
j++;
}
if (j == c + 1) j = c;
} else {
while (j >= 1) {
ans[i][j] = idx;
cur += (s[i][j] == 'R');
if (s[i][j] == 'R') cnt++;
if (cur == num + 1 && res > 0) {
cur = 0;
if (!table.empty() && sum - cnt > 0) {
idx = *table.begin();
table.erase(table.begin());
}
res--;
} else if (cur == num && res == 0) {
cur = 0;
if (!table.empty() && sum - cnt > 0) {
idx = *table.begin();
table.erase(table.begin());
}
}
j--;
}
if (j == 0) j = 1;
}
}
for (int i = 1; i <= r; i++) printf("%s\n", ans[i] + 1);
}
return 0;
}
| 1,700 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int TC;
cin >> TC;
while (TC--) {
int N;
cin >> N;
string s;
cin >> s;
int ans = 0;
int cnt = 0;
for (int i = N - 1; i >= 0; i--) {
if (s[i] == 'P')
cnt++;
else {
ans = max(ans, cnt);
cnt = 0;
}
}
cout << ans << "\n";
}
}
| 800 | CPP |
n = int(input())
a = list(map(int,input().split()))
i = 0
k = 0
while i < len(a) and k <= 1:
if a[i] == 0:
k += 1
i+=1
else:
i+=1
if k == 1 and len(a) > 1:
print("YES")
elif k == 0 and len(a) == 1:
print("YES")
else:
print("NO") | 1,000 | PYTHON3 |
t = int(input())
while (t):
n = int(input())
a = [0] + list(map(int, input().split()))
b = [0] + list(map(int, input().split()))
k = 0
f = True
for i in range(1, n + 1):
if a[i] != b[i] and k == 0:
k = b[i] - a[i]
#print(k)
if k < 0:
f = False
break
elif (a[i] + k != b[i] and k != 0 and a[i] != b[i]) or (a[i - 1] == b[i - 1] and k != 0 and a[i] != b[i]):
#print(a[i], b[i], a[i - 1] == b[i - 1] and k != 0 and a[i] != b[i])
f = False
break
if f: print('YES')
else: print('NO')
t -= 1
| 1,000 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
vector<int> div1, div2;
int main() {
int n, m, a, b, i;
cin >> n >> m;
for (i = 1; i <= m; i++) {
cin >> a >> b;
if (a > b) swap(a, b);
div2.push_back(a);
div1.push_back(b);
}
if (m == 0)
cout << n - 1;
else {
a = *max_element(div2.begin(), div2.end());
b = *min_element(div1.begin(), div1.end());
if (b <= a)
cout << 0;
else
cout << b - a;
}
return 0;
}
| 1,300 | CPP |
N = int(input())
List = [int(x) for x in input().split()]
query = []
q = int(input())
for i in range(q):
x = [int(x) for x in input().split()]
query.append(x)
second = [-1] * q
if(query[q-1][0] == 2):
second[q-1] = query[q-1][1]
for i in range(q-2,-1,-1):
if(query[i][0] == 2):
second[i] = max(second[i+1],query[i][1])
else:
second[i] = second[i+1]
first = [-1] * N
for i in range(q):
if(query[i][0] == 1):
first[query[i][1]-1] = i
for i in range(N):
if(first[i]!=-1):
List[i] = query[first[i]][2]
List[i] = max(List[i],second[first[i]])
else:
if(second[0]!=-1):
List[i] = max(List[i],second[0])
print(*List)
| 1,600 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
bool desc_sort(const int& lhs, const int& rhs) { return lhs > rhs; }
bool desc_pii_sort(const pair<int, int>& lhs, const pair<int, int>& rhs) {
return lhs > rhs;
}
bool second_sort(const pair<int, int>& lhs, const pair<int, int>& rhs) {
pair<int, int> a, b;
a.first = lhs.second;
a.second = lhs.first;
b.first = rhs.second;
b.second = rhs.first;
return a < b;
}
template <class T>
ostream& operator<<(ostream& os, vector<T> V) {
os << "[ ";
for (auto v : V) os << v << " ";
return os << "]";
}
template <class T>
ostream& operator<<(ostream& os, set<T> second) {
os << "{ ";
for (auto s : second) os << s << " ";
return os << "}";
}
template <class L, class R>
ostream& operator<<(ostream& os, pair<L, R> P) {
return os << "(" << P.first << "," << P.second << ")";
}
template <class L, class R>
ostream& operator<<(ostream& os, map<L, R> M) {
os << "{ ";
for (auto m : M) os << "(" << m.first << ":" << m.second << ") ";
return os << "}";
}
template <typename Arg1>
void __f(const char* name, Arg1&& arg1) {
cerr << name << " : " << arg1 << "\n";
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args) {
const char* comma = strchr(names + 1, ',');
cerr.write(names, comma - names) << " : " << arg1 << " | ";
__f(comma + 1, args...);
}
inline long long fast_expo(long long base, long long power,
long long modulo = 1e0) {
base %= modulo;
if (base < 0LL) base += modulo;
long long x = base, cnt = power, ans = 1LL;
while (cnt) {
if (cnt & 1LL) ans = (ans * x) % modulo;
x = (x * x) % modulo;
cnt >>= 1LL;
}
return ans;
}
inline long long inv(long long base, long long modulo = 1e0) {
return fast_expo(base, modulo - 2LL, modulo);
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int t;
cin >> t;
while (t--) {
int n;
cin >> n;
int a[n];
int b[n];
for (int i = 0; i < n; i++) {
cin >> a[i];
}
for (int i = 0; i < n; i++) cin >> b[i];
int red = 0, blue = 0;
int mymap[2 * n + 2];
vector<int> check(2 * n + 2, 0);
mymap[n] = n;
check[n] = 1;
for (int i = n - 1; i >= 0; i--) {
if (b[i] == 1)
red++;
else
blue++;
mymap[red - blue + n] = i;
check[red - blue + n] = 1;
}
int ans = n + mymap[n];
red = 0;
blue = 0;
for (int i = 0; i < n; i++) {
if (a[i] == 1)
red++;
else
blue++;
if (check[blue - red + n]) {
ans = min((n - i - 1) + mymap[blue - red + n], ans);
}
}
cout << ans << "\n";
}
return 0;
}
| 1,700 | CPP |
#include <bits/stdc++.h>
using namespace std;
int num[10005];
int main() {
int t;
cin >> t;
while (t--) {
int n, k;
cin >> n >> k;
if (n > k) {
cout << k << endl;
} else {
int a = k / (n - 1), b = k % (n - 1);
if (k % (n - 1) == 0) {
cout << a * n - 1 << endl;
} else
cout << a * n + b << endl;
}
}
}
| 1,200 | CPP |
#include <bits/stdc++.h>
using namespace std;
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
;
long long t;
cin >> t;
while (t--) {
long long m;
cin >> m;
vector<vector<long long>> res(2, vector<long long>(m));
string str1, str2;
cin >> str1 >> str2;
for (long long i = 0; i < m; i++) {
res[0][i] = str1[i] - '0';
}
for (long long i = 0; i < m; i++) {
res[1][i] = str2[i] - '0';
}
long long flag = 0;
for (long long i = 0; i < m; i++) {
if (res[0][i] == 1 && res[1][i] == 1) {
cout << "NO" << endl;
flag = 1;
break;
}
}
if (flag == 0) cout << "YES" << endl;
}
return 0;
}
| 800 | CPP |
n=int(input())
a=[int(i) for i in input().split()]
m=int(input())
b=[int(i) for i in input().split()]
c=[0 for i in range(n)]
d=[0 for i in range(m)]
a.sort()
b.sort()
num=0
for i in range(n):
for j in range(m):
if (abs(a[i]-b[j])<=1)and(c[i]==0)and(d[j]==0):
num+=1
c[i]=1
d[j]=1
print(num)
| 1,200 | PYTHON3 |
from collections import Counter
n = int(input())
a = list(map(int, input().split()))
cnt = [0]*n
for i, x in enumerate(a):
while x % 2 == 0:
cnt[i] += 1
x //= 2
ok = Counter(cnt).most_common(1)[0][0]
ans = []
for i in range(n):
if cnt[i] != ok:
ans.append(a[i])
print(len(ans))
if ans:
print(*ans)
| 1,900 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long n, k, x;
cin >> n >> k;
long long mn = 1000000000000000000;
long long type, ans;
for (int i = 0; i < k; i++) {
cin >> x;
long long p = n % x;
if (p < mn) {
mn = p;
type = i + 1;
ans = n / x;
}
}
cout << type << " " << ans << endl;
return 0;
}
| 1,000 | CPP |
# cook your dish here
from sys import stdin, stdout
import math
from itertools import permutations, combinations
from collections import defaultdict
from bisect import bisect_left
from bisect import bisect_right
def L():
return list(map(int, stdin.readline().split()))
def In():
return map(int, stdin.readline().split())
def I():
return int(stdin.readline())
P = 1000000007
def maxCountSameSUM(arr, n):
M = defaultdict(lambda:0)
for i in range(n):
for j in range(n):
if i != j and (arr[i]+arr[j]) not in M.keys():
M[arr[i]+arr[j]] = 0
arr1 = list(M.keys())
#print(arr1)
mx = 0
for val in arr1:
lis = [1 for i in range(n)]
for i in range(0, n-1):
for j in range(i+1 , n):
if lis[i] and lis[j] and (arr[i]+arr[j]) == val:
lis[i] = 0
lis[j] = 0
M[arr[i] + arr[j]] += 1
#print(M)
for key in M:
mx = max(mx, M[key])
return mx
def main():
for t in range(I()):
n = I()
arr = L()
print(maxCountSameSUM(arr, n))
if __name__ == '__main__':
main()
| 1,200 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
template <class R>
inline void Readin(R &K) {
K = 0;
bool F = false;
char C = getchar();
while (C < '0' or C > '9') {
if (C == '-') F = true;
C = getchar();
}
while (C <= '9' and C >= '0')
K = (K << 1) + (K << 3) + C - '0', C = getchar();
if (F) K = -K;
}
const int MaxN = 3e5 + 10;
int N;
long long X, A[MaxN];
inline int P1() {
long long Ans = 0, Sum = 0;
for (register int i = 0; ++i <= N;) {
Sum += A[i];
if (Sum < 0) Sum = 0;
Ans = max(Ans, Sum);
}
return not printf("%lld\n", max(Ans, X * Ans));
}
long long Al[MaxN], Br[MaxN], S[MaxN];
inline int P2() {
long long Sum = 0;
for (register int i = 0; ++i <= N;) {
Sum += A[i];
if (Sum < 0) Sum = 0;
Al[i] = Sum;
}
Sum = 0;
for (register int i = N; i; --i) {
Sum += A[i];
if (Sum < 0) Sum = 0;
Br[i] = Sum;
}
for (register int i = 0; ++i <= N;) {
S[i] = S[i - 1] + A[i] * X;
Al[i] -= S[i];
Br[i] += S[i - 1];
}
Br[N + 1] = S[N];
for (register int i = 1; ++i <= N;) Al[i] = max(Al[i - 1], Al[i]);
for (register int i = N; i; --i) Br[i] = max(Br[i], Br[i + 1]);
register long long Ans = 0;
for (register int i = 0; i <= N; ++i) Ans = max(Ans, Al[i] + Br[i + 1]);
return not printf("%lld\n", Ans);
}
int main() {
Readin(N);
Readin(X);
for (register int i = 0; ++i <= N; Readin(A[i]))
;
if (X > 0)
return P1();
else
return P2();
}
| 1,900 | CPP |
n, x, y = map(int, input().split())
a = input()
b = str(10**x + 10**y)
count = 0
for i in range(x + 1):
if(a[-i] != b[-i]):
count += 1
print(count)
| 1,100 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int inf = (int)1e9;
const int mod = inf + 7;
const double eps = 1e-9;
const double pi = acos(-1.0);
int n, k, m, used[2020][2020];
vector<int> g[2020];
bool c[2020];
vector<int> cur;
void dfs(int v) {
c[v] = 1;
cur.push_back(v);
for (__typeof(g[v].begin()) it = g[v].begin(); it != g[v].end(); it++) {
int to = *it;
if (!c[to]) dfs(to);
}
}
int main() {
scanf("%d\n", &n);
scanf("%d\n", &k);
for (int i = 0, x, y; i < k; i++) {
scanf("%d%d", &x, &y);
x--;
y--;
g[x].push_back(y);
g[y].push_back(x);
}
scanf("%d\n", &m);
for (int i = 0, x, y; i < m; i++) {
scanf("%d%d\n", &x, &y);
x--;
y--;
used[x][y] = used[y][x] = 1;
}
int ans = 0;
for (int i = 0; i < n; i++) {
if (!c[i]) {
cur.clear();
dfs(i);
bool ok = 1;
for (int i = 0; i < cur.size(); i++) {
for (int j = 0; j < cur.size(); j++) {
if (used[cur[i]][cur[j]]) ok = 0;
}
}
if (ok) ans = max(ans, (int)cur.size());
}
}
printf("%d\n", ans);
return 0;
}
| 1,500 | CPP |
n, k = (int(x) for x in input().split())
a = [int(x) for x in input().split()]
b = [int(x) for x in input().split()]
cur_sum = 0
max_sum = 0
sum = 0
for i in range(n):
if b[i] == 1:
sum += a[i]
if i < k:
cur_sum += (1 - b[i]) * a[i]
else:
cur_sum += (1 - b[i]) * a[i]
cur_sum -= (1 - b[i - k]) * a[i - k]
if cur_sum > max_sum:
max_sum = cur_sum
# print(cur_sum)
# print(max_th)
print(sum + max_sum) | 1,200 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int MAX = 150000;
void pls() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
}
int32_t main() {
pls();
long long k, b, n, t;
cin >> k >> b >> n >> t;
if (t == 1) {
cout << n << endl;
} else if (k == 1) {
long long at = max(double(0), ceil((1LL + b * n - t) / double(b)));
cout << at << endl;
} else {
int x = 0;
for (; x <= n + 1; x++) {
long long p, q;
p = powl(k, x + 1) + powl(k, x) * (b - 1);
q = t * (k - 1) + b;
if (p > q) {
cout << n - x + 1 << endl;
break;
}
}
if (x == n + 2) cout << 0 << endl;
}
return 0;
}
| 1,700 | CPP |
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
using namespace std;
const int INF = (int)1e9 + 123;
const long long LINF = (long long)1e18 + 123;
const long double EPS = (long double)1e-7;
const long long MOD = (long long)1e9 + 7;
long long power(long long x, long long y, long long mod = MOD) {
if (y == 0) {
return 1;
}
if (y & 1) {
return power(x, y - 1, mod) * x % mod;
} else {
long long tmp = power(x, y / 2, mod);
return tmp * tmp % mod;
}
}
template <typename A, typename B>
bool mini(A &x, const B &y) {
if (y < x) {
x = y;
return true;
}
return false;
}
template <typename A, typename B>
bool maxi(A &x, const B &y) {
if (y > x) {
x = y;
return true;
}
return false;
}
void run();
int main() {
if (strlen("")) {
freopen(
""
".in",
"r", stdin);
freopen(
""
".out",
"w", stdout);
}
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cout << fixed << setprecision(12);
run();
return 0;
}
const int N = (int)2e5 + 123;
template <typename T>
struct Deque {
int l, r;
vector<T> q;
Deque() {
l = 0, r = 0;
q.resize(4 * N + 100);
}
T &front() { return q[l]; }
void pop_front() { l++; }
T &back() { return q[r - 1]; }
void pop_back() { r--; }
int size() { return r - l; }
void push_back(const T &x) { q[r++] = x; }
void push_front(const T &x) { q[l--] = x; }
void only_prefix() {
if (size() > N) {
r = l + N;
}
shift();
}
void only_suffix() {
if (size() > N) {
l = r - N;
}
shift();
}
void shift() {
int len = size();
for (int i = 0; i < len; i++) {
q[i] = q[l + i];
}
l = 0;
r = len;
}
};
int n, k, m;
int a[N];
struct Shit {
bool divided;
long long rest;
Deque<pair<int, int>> l, r;
Shit() {
divided = 0;
rest = 0;
}
};
Shit init;
void convert() {
Deque<pair<int, int>> q;
long long cnt = 0;
for (int i = 0; i < n; i++) {
cnt++;
if (q.size() == 0) {
q.push_back({a[i], 1});
} else {
if (q.back().first == a[i]) {
q.back().second++;
} else {
q.push_back({a[i], 1});
}
}
if (q.back().second >= k) {
cnt -= k;
q.pop_back();
}
}
init.rest = cnt;
init.l = q;
}
Shit merge(Shit a, Shit b) {
Shit res;
if (a.divided && b.divided) {
res.rest = a.rest + b.rest;
while (a.r.size() && b.l.size() && a.r.back().first == b.l.front().first) {
int cntL = a.r.back().second;
int cntR = b.l.front().second;
assert(cntL < k && cntR < k);
if (cntL + cntR < k) {
a.r.back().second += cntR;
b.l.pop_front();
break;
}
a.r.pop_back();
if (cntL + cntR == k) {
b.l.pop_front();
} else {
b.l.front().second -= (k - cntL);
}
res.rest -= k;
}
res.divided = 1;
res.l = a.l;
res.r = b.r;
} else if (a.divided) {
res.rest = a.rest + b.rest;
while (a.r.size() && b.l.size() && a.r.back().first == b.l.front().first) {
int cntL = a.r.back().second;
int cntR = b.l.front().second;
assert(cntL < k && cntR < k);
if (cntL + cntR < k) {
a.r.back().second += cntR;
b.l.pop_front();
break;
}
a.r.pop_back();
if (cntL + cntR == k) {
b.l.pop_front();
} else {
b.l.front().second -= (k - cntL);
}
res.rest -= k;
}
res.divided = 1;
res.l = a.l;
while (b.l.size()) {
a.r.push_back(b.l.front());
b.l.pop_front();
}
res.r = a.r;
res.r.only_suffix();
} else if (b.divided) {
res.rest = a.rest + b.rest;
while (a.l.size() && b.l.size() && a.l.back().first == b.l.front().first) {
int cntL = a.l.back().second;
int cntR = b.l.front().second;
assert(cntL < k && cntR < k);
if (cntL + cntR < k) {
a.l.back().second += cntR;
b.l.pop_front();
break;
}
a.l.pop_back();
if (cntL + cntR == k) {
b.l.pop_front();
} else {
b.l.front().second -= (k - cntL);
}
res.rest -= k;
}
res.divided = 1;
res.r = b.r;
while (b.l.size()) {
a.l.push_back(b.l.front());
b.l.pop_front();
}
res.l = a.l;
res.l.only_prefix();
} else {
res.rest = a.rest + b.rest;
while (a.l.size() && b.l.size() && a.l.back().first == b.l.front().first) {
int cntL = a.l.back().second;
int cntR = b.l.front().second;
assert(cntL < k && cntR < k);
if (cntL + cntR < k) {
a.l.back().second += cntR;
b.l.pop_front();
break;
}
a.l.pop_back();
if (cntL + cntR == k) {
b.l.pop_front();
} else {
b.l.front().second -= (k - cntL);
}
res.rest -= k;
}
while (b.l.size()) {
a.l.push_back(b.l.front());
b.l.pop_front();
}
if (a.l.size() >= 2 * N) {
auto l = a.l;
auto r = a.l;
l.only_prefix();
r.only_suffix();
res.divided = 1;
res.l = l;
res.r = r;
} else {
res.l = a.l;
}
}
return res;
}
Shit solve(int x) {
if (x == 1) {
return init;
}
Shit tmp = solve(x / 2);
Shit shit = merge(tmp, tmp);
if (x & 1) {
shit = merge(shit, init);
}
return shit;
}
void run() {
cin >> n >> k >> m;
for (int i = 0; i < n; i++) {
cin >> a[i];
}
convert();
cout << solve(m).rest << "\n";
}
| 2,300 | CPP |
n = int(input())
string = input() + " "
xs_in_a_row = 0
x_counts = []
for i in range(n + 1):
if string[i] == 'x':
xs_in_a_row += 1
else:
x_counts.append(xs_in_a_row)
xs_in_a_row = 0
min_num_of_chars = 0
for count in x_counts:
if count >= 3:
min_num_of_chars += count - 2
print(min_num_of_chars)
| 800 | PYTHON3 |
import sys
import bisect
from bisect import bisect_left as lb
input_=lambda: sys.stdin.readline().strip("\r\n")
from math import log
from math import gcd
from math import atan2,acos
from random import randint
sa=lambda :input_()
sb=lambda:int(input_())
sc=lambda:input_().split()
sd=lambda:list(map(int,input_().split()))
sflo=lambda:list(map(float,input_().split()))
se=lambda:float(input_())
sf=lambda:list(input_())
flsh=lambda: sys.stdout.flush()
#sys.setrecursionlimit(10**6)
mod=10**9+7
gp=[]
cost=[]
dp=[]
mx=[]
ans1=[]
ans2=[]
special=[]
specnode=[]
a=0
kthpar=[]
def dfs(root,par):
if par!=-1:
dp[root]=dp[par]+1
for i in range(1,20):
if kthpar[root][i-1]!=-1:
kthpar[root][i]=kthpar[kthpar[root][i-1]][i-1]
for child in gp[root]:
if child==par:continue
kthpar[child][0]=root
dfs(child,root)
ans=0
def hnbhai(tc):
n=sb()
a=sd()
d={}
ans=0
for i in range(n):
for j in range(32):
if d.get((1<<j)-a[i]):
ans+=d[(1<<j)-a[i]]
d[a[i]]=d.get(a[i],0)+1
print(ans)
for _ in range(1):
hnbhai(_+1)
| 1,500 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
double pi = 3.1415926535;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
double d, h, v, e;
cin >> d >> h >> v >> e;
if ((4 * v) / (pi * d * d) < e) {
cout << "NO\n";
return 0;
}
cout << "YES\n";
cout << h / ((4 * v) / (pi * d * d) - e) << "\n";
return 0;
}
| 1,100 | CPP |
n=int(input())
result = [int(item) for item in input().split()]
m=max(result);s=0
for i in result:
if i<=m:
s+=m-i
print(s) | 800 | PYTHON3 |
import math
def isPerfectSquare(x):
s = int(math.sqrt(x))
return s * s == x
def isFibonacci(n):
return isPerfectSquare(5 * n * n + 4) or isPerfectSquare(5 * n * n - 4)
n=int(input())
for i in range(n):
if (isFibonacci(i+1) == True):
print("O",end="")
else:
print("o",end="")
| 800 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9;
const int MAXN = 110 * 26;
const int MAXM = MAXN * 100;
int read() {
int kkk = 0, x = 1;
char c = getchar();
while ((c < '0' || c > '9') && c != '-') c = getchar();
if (c == '-') c = getchar(), x = -1;
while (c >= '0' && c <= '9') kkk = kkk * 10 + (c - '0'), c = getchar();
return kkk * x;
}
int n, m, S, T, dis[MAXN], dl[MAXN], h, t, pd[MAXN];
struct node {
int head[MAXN], tot, st[MAXN];
int to[MAXM], nextn[MAXM], l[MAXM], cost[MAXM];
void ADD(int u, int v, int _l, int _cost) {
to[++tot] = v, nextn[tot] = head[u], l[tot] = _l, cost[tot] = _cost;
head[u] = tot;
}
void build(int u, int v, int _l, int _cost) {
ADD(u, v, _l, _cost);
ADD(v, u, 0, -_cost);
}
} Ed;
int build(int N) {
for (int i = 1; i <= N; ++i) Ed.st[i] = Ed.head[i];
memset(dis, -0x3f, sizeof(dis));
dis[S] = h = t = 0;
dl[++t] = S;
int loop = N + 1;
while (h != t) {
h = h % loop + 1;
int u = dl[h];
pd[u] = 0;
for (int i = Ed.head[u]; i != 0; i = Ed.nextn[i]) {
int v = Ed.to[i];
if (dis[v] >= dis[u] + Ed.cost[i] || !Ed.l[i]) continue;
dis[v] = dis[u] + Ed.cost[i];
if (!pd[v]) {
pd[v] = 1;
t = t % loop + 1;
dl[t] = v;
}
}
}
return dis[T] != dis[0];
}
int vis[MAXN];
pair<int, int> fun(int u, int flow) {
if (u == T) return make_pair(flow, 0);
int rest = flow, use = 0;
vis[u] = 1;
for (int i = Ed.st[u]; i != 0 && rest != 0; i = Ed.nextn[i]) {
Ed.st[u] = i;
int v = Ed.to[i];
if (dis[v] != dis[u] + Ed.cost[i] || vis[v] || !Ed.l[i]) continue;
pair<int, int> K = fun(v, min(Ed.l[i], rest));
if (!K.first) dis[v] = inf;
Ed.l[i] -= K.first;
Ed.l[i ^ 1] += K.first;
rest -= K.first;
use += K.second + K.first * Ed.cost[i];
}
vis[u] = 0;
return make_pair(flow - rest, use);
}
void Dinic(int N) {
int ans = 0;
while (build(N))
while (1) {
pair<int, int> K = fun(S, inf);
if (!K.first) break;
ans += K.second;
}
printf("%d\n", ans);
}
int ton[MAXN], val[MAXN];
char s[MAXN];
int main() {
n = read();
Ed.tot = 1;
scanf("%s", s + 1);
for (int i = 1; i <= n; ++i) ++ton[s[i] - 'a'];
for (int i = 1; i <= n; ++i) val[i] = read();
S = n + 26 + 26 * (n / 2) + 1, T = S + 1;
for (int i = 1; i <= n; ++i) Ed.build(i, T, 1, 0);
for (int i = 1; i <= 26; ++i) {
Ed.build(S, i + n, ton[i - 1], 0);
for (int j = 1; j <= n / 2; ++j) {
Ed.build(i + n, n + 26 + (i - 1) * (n / 2) + j, 1, 0);
Ed.build(n + 26 + (i - 1) * (n / 2) + j, j, 1,
(s[j] - 'a' == i - 1 ? val[j] : 0));
Ed.build(n + 26 + (i - 1) * (n / 2) + j, n - j + 1, 1,
(s[n - j + 1] - 'a' == i - 1 ? val[n - j + 1] : 0));
}
}
Dinic(T);
return 0;
}
| 2,500 | CPP |
#include <bits/stdc++.h>
#pragma comment(linker, "/STACK:256000000")
using namespace std;
const int INF = (int)1e9;
const long double EPS = 1e-9;
const long double PI = 3.1415926535897932384626433832795;
int n, m;
char a[1010][1010];
long long sI[1010], sJ[1010];
int main() {
cin >> n >> m;
memset(sI, 0, sizeof(sI));
memset(sJ, 0, sizeof(sJ));
for (int i = 0; i < int(n); ++i)
for (int j = 0; j < int(m); ++j) {
scanf(" %c", &a[i][j]);
if (a[i][j] == '*') {
sI[i]++;
sJ[j]++;
}
}
long long ans = 0;
for (int i = 0; i < int(n); ++i)
for (int j = 0; j < int(m); ++j)
if (a[i][j] == '*') ans += (sI[i] - 1) * (sJ[j] - 1);
cout << ans << endl;
return 0;
}
| 1,600 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main(int argc, char **argv) {
ios_base::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
vector<int> v(n + 2), tmp;
for (int i = 1; i <= n; ++i) cin >> v[i];
vector<int> left(n + 2, 0);
for (int i = 1; i <= n; ++i) left[i] = min(left[i - 1] + 1, v[i - 1] + 1);
vector<int> right(n + 2, 0);
for (int i = n; i >= 1; --i) right[i] = min(right[i + 1] + 1, v[i + 1] + 1);
int ans = 0, now;
for (int i = 1; i <= n; ++i) {
now = min(v[i], min(left[i], right[i]));
ans = max(ans, now);
}
cout << ans << '\n';
return 0;
}
| 1,600 | CPP |
#include <bits/stdc++.h>
struct pt {
int x, y;
};
pt operator+(pt a, pt b) {
pt p = {std::min(a.x, b.x), std::max(a.y, b.y)};
return p;
}
int n, Q;
int head[(1 << 18)], nxt[(1 << 18)], level[(1 << 18)], tree[(1 << 18) * 2],
rev[(1 << 18)], tin[(1 << 18)];
pt pre[(1 << 18) * 2];
void dfs(int x) {
static int timer = 1;
tin[x] = timer;
rev[timer] = x;
pre[x + (1 << 18)].x = tin[x];
pre[x + (1 << 18)].y = tin[x];
tree[timer + (1 << 18)] = level[x];
++timer;
for (int h = head[x]; h; h = nxt[h]) {
int y = h;
level[y] = 1 + level[x];
dfs(y);
tree[timer + (1 << 18)] = level[x];
++timer;
}
}
pt query(int l, int r) {
pt res = {(1 << 18), -(1 << 18)};
++r;
for (l += (1 << 18), r += (1 << 18); l < r; l >>= 1, r >>= 1) {
if (l & 1) res = res + pre[l++];
if (r & 1) res = res + pre[--r];
}
return res;
}
pt get(int l, int r, int ng) { return query(l, ng - 1) + query(ng + 1, r); }
int ask(int l, int r) {
int res = (1 << 18);
++r;
for (l += (1 << 18), r += (1 << 18); l < r; l >>= 1, r >>= 1) {
if (l & 1) res = std::min(res, tree[l++]);
if (r & 1) res = std::min(res, tree[--r]);
}
return res;
}
int main(int argc, char* argv[]) {
scanf("%d%d", &n, &Q);
memset(head, 0, sizeof head);
memset(tree, 0x33, sizeof tree);
for (int i = 2; i <= n; ++i) {
int p;
scanf("%d", &p);
nxt[i] = head[p];
head[p] = i;
}
level[1] = 0;
dfs(1);
for (int i = (1 << 18) - 1; i >= 1; --i) {
pre[i] = pre[i * 2] + pre[i * 2 + 1];
tree[i] = std::min(tree[i * 2], tree[i * 2 + 1]);
}
while (Q--) {
int l, r;
scanf("%d%d", &l, &r);
pt t = query(l, r);
pt a = get(l, r, rev[t.x]);
pt b = get(l, r, rev[t.y]);
int na = ask(a.x, a.y);
int nb = ask(b.x, b.y);
if (na > nb) {
printf("%d %d\n", rev[t.x], na);
} else {
printf("%d %d\n", rev[t.y], nb);
}
}
}
| 2,300 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
std::ios_base::sync_with_stdio(false);
cin.tie(0);
int n, m;
cin >> n >> m;
vector<long long> l(m), suffix(m + 1);
long long total_len = 0;
for (int i = 0; i < m; i++) {
cin >> l[i];
total_len += l[i];
}
if (total_len < n || n - l[m - 1] + 1 < m) {
cout << "-1\n";
return 0;
}
for (int i = m - 1; i >= 0; i--) {
suffix[i] = suffix[i + 1] + l[i];
}
int cur = -1;
vector<int> ans;
int prev;
for (long long i = m - 1; i >= 0; i--) {
int cur = max(n - suffix[i], i);
if (cur + l[i] > n) {
cout << "-1\n";
return 0;
}
ans.push_back(cur);
}
reverse(ans.begin(), ans.end());
for (int i = 0; i < ans.size(); i++) {
cout << ans[i] + 1 << ' ';
}
}
| 1,800 | CPP |
#include <bits/stdc++.h>
using namespace std;
void add(long long &x, long long y) {
x += y;
if (x >= 1000000007) x -= 1000000007;
}
long long C[1010][1010];
long long dp[1010][1010][4];
long long F[1010];
int main() {
int N, K;
scanf("%d%d", &N, &K);
for (int i = 0; i <= N; i++)
for (int j = 0; j <= i; j++)
C[i][j] = j ? (C[i - 1][j] + C[i - 1][j - 1]) % 1000000007 : 1;
dp[0][0][2] = 1;
for (int i = 1; i <= N; i++) {
for (int j = 0; j < i; j++) {
for (int k = 0; k < 4; k++) {
if (k & 1) add(dp[i][j + 1][k / 2 + 2], dp[i - 1][j][k]);
if (i < N) add(dp[i][j + 1][k / 2], dp[i - 1][j][k]);
add(dp[i][j][k / 2 + 2], dp[i - 1][j][k]);
}
}
}
for (int j = 0; j <= N; j++) {
for (int k = 0; k < 4; k++) add(F[j], dp[N][j][k]);
for (int k = 2; k <= N - j; k++) F[j] = (F[j] * k) % 1000000007;
}
for (int i = N - 1; i >= 0; i--)
for (int j = i + 1; j <= N; j++)
add(F[i], 1000000007 - F[j] * C[j][i] % 1000000007);
printf("%I64d\n", F[K]);
return 0;
}
| 2,600 | CPP |
def func(aa1, aa2, kk1, kk2, nn):
if (nn <= aa1 * (kk1 - 1) + aa2 * (kk2 - 1)):
print(0)
elif (nn < aa1 * kk1 + aa2 * kk2):
print(nn - aa1 * (kk1 - 1) - aa2 * (kk2 - 1))
else:
print(aa1 + aa2)
if (nn <= aa1 * kk1):
print(nn // kk1)
elif(nn <= aa1 * kk1 + aa2 * kk2):
print((nn - aa1 * kk1) // kk2 + aa1)
else:
print(aa1 + aa2)
a1 = int(input())
a2 = int(input())
k1 = int(input())
k2 = int(input())
n = int(input())
if (k1 <= k2):
func(a1, a2, k1, k2, n)
else:
func(a2, a1, k2, k1, n)
| 1,000 | PYTHON3 |
from math import inf
t = int(input())
for q in range(t):
n = int(input())
A = [int(i) for i in input().split()]
mi = inf
ma = -1 * inf
for i in range(len(A)):
if A[i] != -1:
if i < len(A) - 1 and A[i + 1] == -1:
mi = min(A[i], mi)
ma = max(A[i], ma)
if i > 0 and A[i - 1] == -1:
mi = min(A[i], mi)
ma = max(A[i], ma)
if mi == inf:
num = 0
else:
num = (mi + ma) // 2
d = 0
if A[0] == -1:
A[0] = num
for i in range(1, len(A)):
if A[i] == -1:
A[i] = num
d = max(d, abs(A[i] - A[i - 1]))
print(d, num)
| 1,500 | PYTHON3 |
n,a,b=map(int,input().split())
airport=input()
if airport[a-1]==airport[b-1]:
print(0)
else:
print(1) | 1,200 | PYTHON3 |
def solve(g, i, j):
ans = 0
for ii in range(i):
ans = max(ans, min(g[ii]))
print(ans)
i, j = tuple(map(int, input().split()))
g = []
for _ in range(i):
g.append(list(map(int, input().split())))
solve(g, i, j)
| 1,000 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int N = 305;
map<string, int> mp;
string s;
int id[N], sum[N];
int n, cnt, ans;
int main() {
scanf("%d", &n);
for (int i = 1; i <= n; i++) {
cin >> s;
if (!mp.count(s)) mp[s] = ++cnt;
id[i] = mp[s];
sum[i] = sum[i - 1] + s.size();
}
ans = sum[n] + n - 1;
for (int i = 1; i <= n; i++) {
for (int j = i; j <= n; j++) {
int len = j - i, cnt = 0;
for (int k = j + 1; k + len <= n; k++) {
bool f = true;
for (int x = 0; x <= len; x++)
if (id[i + x] != id[k + x]) {
f = false;
break;
}
if (f) {
cnt++;
k += len;
}
}
if (cnt)
ans = min(ans, sum[n] - (cnt + 1) * (sum[j] - sum[i - 1]) + cnt + n);
}
}
printf("%d\n", ans);
return 0;
}
| 2,200 | CPP |
a = input()
flag = False
num0 = 0
for i in range(0,len(a)):
if a[i] == '1':
flag = True
if flag == True and a[i] == '0':
num0 = num0 + 1;
if num0 >= 6 :
print("yes")
else:
print("no")
| 1,000 | PYTHON3 |
t=int(input())
for i in range(0,t):
a=input()
b=input()
a=a.lower()
b=b.lower()
f=0
c=len(b)-len(a)
if(len(b)==len(a) and sorted(a)==sorted(b)):
print("YES")
elif(len(b)<len(a)):
print("NO")
else:
for i in range(0,c+1):
d=b[i:(i+len(a))]
if(sorted(d)==sorted(a)):
print("YES")
f=1
break
if(f==0):
print("NO") | 1,000 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
inline char read() {
static const int IN_LEN = 1000000;
static char buf[IN_LEN], *s, *t;
return (s == t ? t = (s = buf) + fread(buf, 1, IN_LEN, stdin),
(s == t ? -1 : *s++) : *s++);
}
template <class T>
inline void read(T &x) {
static bool iosig;
static char c;
for (iosig = false, c = read(); !isdigit(c); c = read()) {
if (c == '-') iosig = true;
if (c == -1) return;
}
for (x = 0; isdigit(c); c = read()) x = ((x + (x << 2)) << 1) + (c ^ '0');
if (iosig) x = -x;
}
const int OUT_LEN = 10000000;
char obuf[OUT_LEN], *ooh = obuf;
inline void print(char c) {
if (ooh == obuf + OUT_LEN) fwrite(obuf, 1, OUT_LEN, stdout), ooh = obuf;
*ooh++ = c;
}
template <class T>
inline void print(T x) {
static int buf[30], cnt;
if (x == 0)
print('0');
else {
if (x < 0) print('-'), x = -x;
for (cnt = 0; x; x /= 10) buf[++cnt] = x % 10 + 48;
while (cnt) print((char)buf[cnt--]);
}
}
inline void flush() { fwrite(obuf, 1, ooh - obuf, stdout); }
long long n, l, r, a[233];
long long calc(long long x) {
if (x < 2) return 1;
return 1 + 2 * calc(x >> 1);
}
int solve(int s, long long l, long long r) {
if ((n >> s) > 1) {
int ans = 0;
if (l <= a[s + 1]) ans += solve(s + 1, l, min(a[s + 1], r));
if (l <= a[s + 1] + 1 && a[s + 1] + 1 <= r) ans += (n >> s) & 1;
if (r > a[s + 1] + 1)
ans += solve(s + 1, max(1ll, l - a[s + 1] - 1), r - a[s + 1] - 1);
return ans;
} else
return n >> s;
}
int main() {
read(n), read(l), read(r);
for (register int i = (0); i <= (50); ++i)
if (n >> i)
a[i] = calc(n >> i);
else
break;
printf("%d", solve(0, l, r));
return 0;
}
| 1,600 | CPP |
#include <bits/stdc++.h>
using namespace std;
inline int getSecsInYear(int year) {
if (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0))
return 60 * 60 * 24 * 366;
else
return 60 * 60 * 24 * 365;
}
int lm[12] = {31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
inline int getSecsInMonth(int year, int month) {
if (month == 1) {
if (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0))
return 60 * 60 * 24 * 29;
else
return 60 * 60 * 24 * 28;
} else
return 60 * 60 * 24 * lm[month];
}
inline void incrementDay(int &day, int &date, int &month, int &year,
long long &t) {
day = (day + 1) % 7;
t += 60 * 60 * 24;
if (month == 1) {
if (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0)) {
if (date == 28) {
date = 0;
month++;
} else
date++;
} else {
if (date == 27) {
date = 0;
month++;
} else
date++;
}
} else {
if (date + 1 == lm[month]) {
date = 0;
if (month == 11) {
month = 0;
year++;
} else
month++;
} else
date++;
}
}
inline bool incrementTime(int &s, int &m, int &h, long long &t) {
t++;
if (s == 59) {
s = 0;
if (m == 59) {
m = 0;
if (h == 23)
return false;
else
h++;
} else
m++;
} else
s++;
return true;
}
inline bool check(int x, int y) {
if (y == -1) return true;
return x == y;
}
inline bool checkDay(int cday, int cdate, int day, int date) {
if (day == -1) return check(cdate, date);
if (date == -1) return check(cday, day);
return check(cdate, date) || check(cday, day);
}
inline long long solveToday(int cs, int cm, int ch, int cday, int cdate,
int cmonth, int cyear, long long ct, int s, int m,
int h, int day, int date, int month) {
if (!checkDay(cday, cdate, day, date) || !check(cmonth, month)) return -1;
while (true) {
if (check(cs, s) && check(cm, m) && check(ch, h)) return ct;
if (!incrementTime(cs, cm, ch, ct)) break;
}
return -1;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int s, m, h, day, date, month;
cin >> s >> m >> h >> day >> date >> month;
if (day != -1) day--;
if (date != -1) date--;
if (month != -1) month--;
int n;
cin >> n;
for (int q = 0; q < n; q++) {
long long t;
cin >> t;
t++;
int cs = 0, cm = 0, ch = 0, cday = 3, cdate = 0, cmonth = 0, cyear = 1970;
long long ct = t;
while (true) {
int sy = getSecsInYear(cyear);
if (t >= sy) {
t -= sy;
cday = (cday + sy / (60 * 60 * 24)) % 7;
cyear++;
} else
break;
}
while (true) {
int sm = getSecsInMonth(cyear, cmonth);
if (t >= sm) {
t -= sm;
cday = (cday + sm / (60 * 60 * 24)) % 7;
cmonth++;
} else
break;
}
while (t >= 60 * 60 * 24) {
t -= 60 * 60 * 24;
cday = (cday + 1) % 7;
cdate++;
}
while (t >= 60 * 60) {
t -= 60 * 60;
ch++;
}
while (t >= 60) {
t -= 60;
cm++;
}
cs += t;
long long ans = solveToday(cs, cm, ch, cday, cdate, cmonth, cyear, ct, s, m,
h, day, date, month);
if (ans != -1) {
cout << ans << '\n';
continue;
}
ct -= cs + 60 * cm + 60 * 60 * ch;
while (true) {
incrementDay(cday, cdate, cmonth, cyear, ct);
ans = solveToday(0, 0, 0, cday, cdate, cmonth, cyear, ct, s, m, h, day,
date, month);
if (ans != -1) break;
}
cout << ans << '\n';
}
return 0;
}
| 2,800 | CPP |
n=int(input())
for i in range(n-1):
print(['I hate that ','I love that '][i%2],sep='',end='')
print(['I love it','I hate it'][n%2])
| 800 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
long long Solver(int h, long long n) {
if (h == 0) return 0;
if (n > (1LL << (h - 1))) {
return (1LL << h) + Solver(h - 1, n - (1LL << (h - 1)));
} else {
return (1) + Solver(h - 1, (1LL << (h - 1)) + 1 - n);
}
}
int main() {
ios_base::sync_with_stdio(0);
long long h, n;
cin >> h >> n;
cout << Solver(h, n) << endl;
}
| 1,700 | CPP |
import sys
def main():
n = int(sys.stdin.readline().strip())
dirs, dists = [], []
earth_circum = 40000
lat = 0
north = "North"
south = "South"
for i in range(n):
distance, direction = [s for s in sys.stdin.readline().split()]
distance = int(distance)
if direction == north:
distance *= -1
dirs.append(direction)
dists.append(distance)
for distance, direction in zip(dists, dirs):
if distance == 0:
continue
if lat == 0 and direction != south:
print("NO")
return
if lat == earth_circum / 2 and direction != north:
print("NO")
return
if direction in [south, north]:
if abs(lat + distance) > earth_circum / 2:
print("NO")
return
if lat + distance < 0:
print("NO")
return
lat += distance
print("YES" if lat == 0 else "NO")
if __name__ == '__main__':
main()
| 1,300 | PYTHON3 |
t_count = int(input().strip())
while t_count > 0:
n, k = list(map(int, input().strip().split(' ')))
if n % 2 == 0:
if k % 2 == 0:
if n >= 2 * k:
rem = n - 2 * (k - 1)
print('YES')
print('2 ' * (k - 1), rem, sep = '')
elif n >= k:
rem = n - k + 1
print('YES')
print('1 ' * (k - 1), rem, sep = '')
else:
print('NO')
else:
if n >= 2 * k:
rem = n - 2 * (k - 1)
print('YES')
print('2 ' * (k - 1), rem, sep = '')
else:
print('NO')
else:
if k % 2 == 0:
print('NO')
elif n >= k:
rem = n - k + 1
print('YES')
print('1 ' * (k - 1), rem, sep = '')
else:
print('NO')
t_count -= 1 | 1,200 | PYTHON3 |
n = int(input())
s = n // 2
if n % 2:
s = -s - 1
print(s)
| 800 | PYTHON3 |
t=int(input())
for i in range(t):
n=int(input())
a=list(map(int,input().split()))
c=0
for j in range(n-1):
if a.count(a[j])>2:
print('YES')
break
elif a[j]!=a[j+1] and a[j]!=a[j-1] and a.count(a[j])==2 and j>=1:
print('YES')
break
elif a[j]!=a[j+1] and a.count(a[j])==2 and j==0:
print('YES')
break
else:
c+=1
continue
if c==n-1:
print('NO') | 1,100 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
long long n, i, ans, cnt, x;
int main() {
scanf("%I64d", &n);
cnt = 1;
x = 1;
while (i < n) {
if (i * 10 + 9 <= n)
ans += 9 * x * cnt;
else
ans += (n - i) * cnt;
x *= 10;
cnt++;
i = i * 10 + 9;
}
printf("%I64d\n", ans);
return 0;
}
| 1,200 | CPP |
#author: raghav_0901
from math import *
mod = (10**9) + 7
def _in():
return [int(x) for x in input().split(' ')]
def main():
n = input()
ans = []
for i in range(len(n)):
if n[i] != '0':
ans.append(int(n[i]) * (10**(len(n) - i - 1)))
print(len(ans))
for i in ans:
print(i)
if __name__ == "__main__":
for _ in range(int(input())):
main()
| 800 | PYTHON3 |
n = int(input())
a5 = n % 10;
n //= 10;
a4 = n % 10;
n //= 10;
a3 = n % 10;
n //= 10;
a2 = n % 10;
a1 = n // 10;
k = a1 * 10000 + a3 * 1000 + a5 * 100 + a4 * 10 + a2;
k = k * k * k * k * k;
x5 = k % 10
k //= 10
x4 = k % 10
k //= 10
x3 = k % 10
k //= 10
x2 = k % 10
k //= 10
x1 = k % 10
print(repr(x1) + repr(x2) + repr(x3) + repr(x4) + repr(x5)) | 1,400 | PYTHON3 |
n=int(input())
k=0
while(k<n):
c=input()
if((len(c))<=10):
print(c)
else:
print(c[0]+str(len(c)-2)+c[len(c)-1])
k=k+1
| 800 | PYTHON3 |
# import sys
# sys.stdin=open("input.in","r")
s=input()
l=set()
for i in range(len(s)):
l.add(s[i:]+s[:i])
print(len(l)) | 900 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
long long sum(vector<long long> a) {
long long n = a.size(), sol = 0;
for (long long i = 1; i < n; ++i) {
if (a[i] % 2 != a[i - 1] % 2) ++sol;
}
return sol;
}
bool cmp(pair<long long, long long> a, pair<long long, long long> b) {
return ((a.second - a.first) < (b.second - b.first));
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
cerr.tie(nullptr);
long long n;
cin >> n;
if (n == 1) return cout << "0\n", 0;
vector<long long> a(n);
for (auto& i : a) cin >> i;
long long k[2];
k[0] = k[1] = 0;
for (long long j = 1; j <= n; ++j) {
bool ok = 0;
for (auto& i : a) {
if (i == j) {
ok = 1;
break;
}
}
if (!ok) {
++k[j % 2];
}
}
long long l = INT32_MAX, r = INT32_MIN;
for (long long i = 0; i < n; ++i) {
if (a[i]) {
l = min(l, i);
r = max(r, i);
}
}
if (l > r) {
return cout << "1\n", 0;
}
if (!k[0] && !k[1]) {
return cout << sum(a) << '\n', 0;
}
vector<pair<long long, long long> > t;
for (long long i = l; i <= r; ++i) {
if (a[i]) continue;
long long j = i + 1;
while (j < n && !a[j]) ++j;
if (a[i - 1] % 2 == a[j] % 2) t.push_back({i, j - 1});
i = j;
}
sort(t.begin(), t.end(), cmp);
long long len = t.size();
for (long long e = 0; e < len; ++e) {
long long le = t[e].first, re = t[e].second;
long long p = (a[le - 1] + 22) % 2;
if (k[p] < re - le + 1) {
a[le] = (p + 3);
k[(p + 3) % 2]--;
continue;
}
for (long long i = le; i <= re; ++i) {
a[i] = p;
--k[p];
}
}
if (l > 0) {
long long p = a[l] % 2;
if (k[p] < l) {
a[0] = p + 3;
k[(p + 3) % 2]--;
} else {
for (long long i = 0; i < l; ++i) {
a[i] = p;
--k[p];
}
}
}
if (r < n - 1) {
long long p = a[r] % 2;
if (k[p] < n - 1 - r) {
a[n - 1] = p + 3;
} else {
for (long long i = r + 1; i < n; ++i) {
a[i] = p;
}
}
}
cout << sum(a) << '\n';
}
| 1,800 | CPP |
def isAllOnes(st):
for ch in st:
if ch == "0":
return False
return True
# print ("Input n and d")
n,d = (int(j) for j in input().split())
currun = 0
maxrun = 0
for i in range(d):
# print("Input the next string")
nextone = input()
if isAllOnes(nextone):
currun = 0
else:
currun += 1
if currun > maxrun:
maxrun = currun
print (maxrun)
| 800 | PYTHON3 |
s=input()
count=0
for i in range(len(s)):
if(s[i]=="4" or s[i]=="7"):
count=count+1
if(count==4 or count==7):
print("YES")
else:
print("NO") | 800 | PYTHON3 |
from math import *
n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
s=set()
for i in range(1,len(a)):
s.add(a[i])
for i in range(1,len(b)):
s.add(b[i])
if len(s)==n:
print('I become the guy.')
else:
print('Oh, my keyboard!')
| 800 | PYTHON3 |
n = int(input())
max, curr = 0, 0
for i in range(n):
a, b = [int(elem) for elem in input().split()]
curr -=a
curr +=b
if curr > max:
max = curr
print(max) | 800 | PYTHON3 |
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
long long n;
cin >> n;
vector<long long> vis(101, 0);
long long l, r;
cin >> l >> r;
for (long long i = 2; i <= n; i++) {
long long a, b;
cin >> a >> b;
for (long long i = a; i < b; i++) vis[i] = 1;
}
long long ans = 0;
for (long long i = l; i < r; i++) ans += (1 - vis[i]);
cout << ans;
}
| 0 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
long long power(long long a, long long b) {
long long ans = 1;
while (b > 0) {
if (b & 1) ans *= a;
a = a * a;
b >>= 1;
}
return ans;
}
long long powm(long long a, long long b) {
a %= MOD;
long long ans = 1;
while (b > 0) {
if (b & 1) ans = (ans * a) % MOD;
a = (a * a) % MOD;
b >>= 1;
}
return ans;
}
int main() {
double n, m;
cin >> n >> m;
double ans = INT_MAX;
for (int i = 0; i < n; i++) {
double a, b;
cin >> a >> b;
ans = min(ans, a / b * m);
}
cout << fixed << setprecision(10) << ans << "\n";
return 0;
}
| 800 | CPP |
#include <bits/stdc++.h>
int findmax(int p, int t);
int main() {
int a, b, c, d;
scanf("%d%d%d%d", &a, &b, &c, &d);
if (findmax(a, c) > findmax(b, d)) {
printf("Misha");
} else if (findmax(a, c) < findmax(b, d)) {
printf("Vasya");
} else {
printf("Tie");
}
return 0;
}
int findmax(int p, int t) {
int max = -1;
if (((3 * p) / 10) > (p - ((p / 250) * t))) {
max = ((3 * p) / 10);
} else {
max = (p - ((p / 250) * t));
}
return max;
}
| 900 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 5e5 + 5, maxa = 1e6 + 5;
inline int gi() {
char c = getchar();
while (c < '0' || c > '9') c = getchar();
int sum = 0;
while ('0' <= c && c <= '9') sum = sum * 10 + c - 48, c = getchar();
return sum;
}
int n, q, a[maxn], A;
pair<int, int> sum[maxa << 2];
int tag[maxa << 2];
pair<int, int> operator+(pair<int, int> a, int b) {
a.first += b;
return a;
}
pair<int, int> operator+(pair<int, int> a, pair<int, int> b) {
if (a > b) swap(a, b);
if (a.first == b.first) a.second += b.second;
return a;
}
void modify1(int s, int l, int r, int ql, int qr, int v) {
if (ql <= l && r <= qr) return sum[s].first += v, tag[s] += v, void();
if (ql <= ((l + r) >> 1)) modify1((s << 1), l, ((l + r) >> 1), ql, qr, v);
if (qr >= ((l + r) >> 1) + 1)
modify1((s << 1 | 1), ((l + r) >> 1) + 1, r, ql, qr, v);
sum[s] = sum[(s << 1)] + sum[(s << 1 | 1)] + tag[s];
}
void modify2(int s, int l, int r, int p, int v) {
if (l == r) return sum[s].second += v, void();
if (p <= ((l + r) >> 1))
modify2((s << 1), l, ((l + r) >> 1), p, v);
else
modify2((s << 1 | 1), ((l + r) >> 1) + 1, r, p, v);
sum[s] = sum[(s << 1)] + sum[(s << 1 | 1)] + tag[s];
}
int query(int s, int l, int r, int ql, int qr, int v) {
if (ql <= l && r <= qr) return sum[s].first + v == 1 ? sum[s].second : 0;
int res = 0;
if (ql <= ((l + r) >> 1))
res += query((s << 1), l, ((l + r) >> 1), ql, qr, v + tag[s]);
if (qr >= ((l + r) >> 1) + 1)
res += query((s << 1 | 1), ((l + r) >> 1) + 1, r, ql, qr, v + tag[s]);
return res;
}
void mdf(int l, int r, int v) {
if (l != r) modify1(1, 0, A, min(l, r), max(l, r) - 1, v);
}
int main() {
n = gi();
q = gi();
for (int i = 1; i <= n; ++i) a[i] = gi();
a[0] = A = 1e6 + 1;
for (int i = 0; i <= n; ++i)
mdf(a[i], a[i + 1], 1), modify2(1, 0, A, a[i], 1);
int x, v;
while (q--) {
x = gi();
v = gi();
mdf(a[x - 1], a[x], -1);
mdf(a[x], a[x + 1], -1);
modify2(1, 0, A, a[x], -1);
a[x] = v;
mdf(a[x - 1], a[x], 1);
mdf(a[x], a[x + 1], 1);
modify2(1, 0, A, a[x], 1);
printf("%d\n", query(1, 0, A, 1, A - 1, 0));
}
return 0;
}
| 3,300 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 110005;
int n, qq, fa[maxn], f[maxn], sz[maxn], up[maxn], edge[maxn], dep[maxn],
son[maxn], q[maxn];
int tot = 0, V[maxn << 1], N[maxn << 1], F[maxn], ans[maxn];
struct event {
int c, k, a, b;
} events[maxn << 1];
struct info {
int ls, rs, len, val;
info() { ls = 0, rs = 0, len = 0, val = 0; }
} tree[maxn << 2];
bool cmp(event x, event y) {
if (x.c != y.c) return x.c > y.c;
return x.k < y.k;
}
void add(int a, int b) { ++tot, V[tot] = b, N[tot] = F[a], F[a] = tot; }
void decompose() {
int hd = 0, tl = 1;
memset(son, 0, sizeof son);
memset(fa, 0, sizeof fa);
memset(dep, 0, sizeof dep);
memset(sz, 0, sizeof sz);
q[1] = 1, dep[1] = 0, fa[1] = 0;
while (hd != tl) {
int x = q[++hd];
for (int p = F[x]; p > 0; p = N[p])
if (V[p] != fa[x]) {
q[++tl] = V[p];
dep[V[p]] = dep[x] + 1;
fa[V[p]] = x;
}
}
for (int i = n, x; i > 0; i--) {
sz[x = q[i]]++;
if (fa[x]) {
sz[fa[x]] += sz[x];
if (!son[fa[x]] || sz[x] > sz[son[fa[x]]]) son[fa[x]] = x;
}
}
int num = 0;
for (int i = n, x, y; i > 0; i--) {
x = q[i];
if (son[x]) continue;
while (fa[x] && son[fa[x]] == x) x = fa[x];
y = x;
while (x > 0) up[x] = y, edge[x] = ++num, x = son[x];
}
}
info rev(info a) {
swap(a.ls, a.rs);
return a;
}
info operator+(const info &a, const info &b) {
info ret;
ret.len = a.len + b.len;
ret.ls = a.ls;
if (a.ls == a.len) ret.ls = a.len + b.ls;
ret.rs = b.rs;
if (b.rs == b.len) ret.rs = b.len + a.rs;
ret.val = a.val + b.val - f[a.rs] - f[b.ls] + f[a.rs + b.ls];
return ret;
}
void build(int cur, int l, int r) {
tree[cur].len = r - l + 1;
tree[cur].val = tree[cur].ls = tree[cur].rs = 0;
if (l != r)
build((cur << 1), l, ((l + r) >> 1)),
build((cur << 1 | 1), ((l + r) >> 1) + 1, r);
}
void modify(int cur, int l, int r, int pos) {
if (l == r) {
tree[cur].val = f[1];
tree[cur].ls = tree[cur].rs = 1;
return;
}
if (pos <= ((l + r) >> 1))
modify((cur << 1), l, ((l + r) >> 1), pos);
else
modify((cur << 1 | 1), ((l + r) >> 1) + 1, r, pos);
tree[cur] = tree[(cur << 1)] + tree[(cur << 1 | 1)];
}
info query(int cur, int l, int r, int ql, int qr) {
if (ql <= l && r <= qr) return tree[cur];
info ret;
if (ql <= ((l + r) >> 1))
ret = ret + query((cur << 1), l, ((l + r) >> 1), ql, qr);
if (qr > ((l + r) >> 1))
ret = ret + query((cur << 1 | 1), ((l + r) >> 1) + 1, r, ql, qr);
return ret;
}
void upd(int a, int b) {
if (dep[a] < dep[b]) swap(a, b);
modify(1, 1, n, edge[a]);
}
int ask(int x, int y) {
info vx, vy;
while (up[x] != up[y]) {
if (dep[up[x]] < dep[up[y]]) swap(x, y), swap(vx, vy);
vx = query(1, 1, n, edge[up[x]], edge[x]) + vx;
x = fa[up[x]];
}
if (dep[x] < dep[y]) swap(x, y), swap(vx, vy);
info ans = rev(vy) + query(1, 1, n, edge[y] + 1, edge[x]) + vx;
return ans.val;
}
int main() {
scanf("%d%d", &n, &qq);
f[0] = f[n] = 0;
for (int i = 1; i < n; i++) scanf("%d", &f[i]);
int all = 0;
for (int i = 1; i < n; i++) {
int u, v, w;
scanf("%d%d%d", &u, &v, &w);
add(u, v), add(v, u);
events[++all] = (event){w, 0, u, v};
}
for (int i = 1; i <= qq; i++) {
int u, v, w;
scanf("%d%d%d", &u, &v, &w);
events[++all] = (event){w, i, u, v};
}
sort(events + 1, events + 1 + all, cmp);
decompose();
build(1, 1, n);
for (int i = 1; i <= all; i++)
if (events[i].k == 0) {
upd(events[i].a, events[i].b);
} else {
ans[events[i].k] = ask(events[i].a, events[i].b);
}
for (int i = 1; i <= qq; i++) printf("%d\n", ans[i]);
return 0;
}
| 3,100 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int INF = 2e9;
const int MOD = 1e9 + 7;
vector<long long> vector_input(long long n) {
vector<long long> v;
for (long long i = 0; i < n; i++) {
long long num;
cin >> num;
v.push_back(num);
}
return v;
}
void input() {
string s;
int q;
cin >> s;
cin >> q;
long long l = s.length();
set<int> s1[26];
for (int i = 0; i < l; i++) {
s1[s[i] - 'a'].insert(i);
}
while (q--) {
int type;
cin >> type;
if (type == 1) {
int pos;
char c;
cin >> pos >> c;
s1[s[pos - 1] - 'a'].erase(pos - 1);
s[pos - 1] = c;
s1[c - 'a'].insert(pos - 1);
} else {
int l, r;
cin >> l >> r;
l--;
r--;
int ans = 0;
for (int i = 0; i < 26; i++) {
auto it = s1[i].lower_bound(l);
if (it == s1[i].end()) continue;
if (*it <= r) ans++;
}
cout << ans << '\n';
}
}
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
cout.precision(12);
input();
}
| 1,600 | CPP |
w=input()
n=w.lower()
l=len(n)
for i in range(0,l,1):
if n[i]!='a' and n[i]!='e' and n[i]!='i' and n[i]!='o' and n[i]!='u' and n[i]!='y':
print('.',n[i],sep='',end='')
| 1,000 | PYTHON3 |
nm = [int(i) for i in input().split(' ')]
n = nm[0]
m = nm[1]
lists = [int(i) for i in input().split(' ')]
lists.sort()
result = 0
for j in range(m-n+1):
if(j==0):
result = lists[j+n-1] - lists[j]
elif(lists[j+n-1] - lists[j] <= result):
result = lists[j+n-1] - lists[j]
print(result) | 900 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int maxN = 5005;
int n, a[maxN], res, cnt;
int big[maxN][maxN], small[maxN][maxN];
int main() {
ios_base::sync_with_stdio(false);
res = 1e9;
scanf("%d", &n);
for (int i = 1; i <= n; ++i) scanf("%d", &a[i]), ++a[i];
int old = 0;
for (int i = 2; i <= n; ++i)
for (int j = i - 1; j >= 1; --j) old += int(a[i] < a[j]);
for (int i = 1; i <= n; ++i)
for (int j = 1; j <= n; ++j) big[i][j] = big[i - 1][j] + (a[i - 1] > j);
for (int i = n; i >= 1; --i)
for (int j = 1; j <= n; ++j) small[i][j] = small[i + 1][j] + (a[i + 1] < j);
for (int i = 1; i <= n; ++i)
for (int j = 1; j <= n; ++j)
if (a[i] >= a[j]) {
int v1 = a[i], v2 = a[j];
int sum = old - big[i][v1] - small[i][v1] + 1 + big[j][v1] +
small[j][v1] - big[j][v2] - small[j][v2] + big[i][v2] +
small[i][v2];
if (sum < res) {
res = sum;
cnt = 1;
} else if (sum == res)
++cnt;
}
cout << res << " " << cnt;
return 0;
}
| 1,900 | CPP |
n=int(input())
for _ in range(n):
a=input()
a=list(a)
if len(a)>10:
b=len(a)-2
b=str(b)
a=a[0]+b+a[len(a)-1]
print(a)
else:
print("".join(a)) | 800 | PYTHON3 |
#include <bits/stdc++.h>
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("O3")
#pragma target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
using namespace std;
const long long inf = 0x3f3f3f3f3f3f3f3fll;
inline int read() {
register int x = 0, dp = 1;
register char c = getchar();
for (; !isdigit(c); c = getchar())
if (c == '-') dp = -1;
for (; isdigit(c); c = getchar()) x = (x << 1) + (x << 3) + (c ^ 48);
return x * dp;
}
void write(int x) {
if (x < 0) x = -x, putchar('-');
if (x >= 10) write(x / 10);
putchar(x % 10 + '0');
}
void writeln(int x) {
write(x);
puts("");
}
double E[2][600];
int n, k;
int main() {
memset(E, 0, sizeof(E));
n = read(), k = read();
int now = 1;
for (int i = n - 1; i >= 0; i--) {
now ^= 1;
for (int j = 1; j < 600; j++)
E[now][j] = E[now ^ 1][j] * (j * 1. / (j + 1) / k + (k - 1) * 1. / k) +
(j * 1. / 2 + j * 1. / (j + 1)) / k +
1. / (j + 1) * E[now ^ 1][j + 1] / k;
}
printf("%.9f\n", k * E[now][1]);
return 0;
}
| 2,700 | CPP |
#include <bits/stdc++.h>
using namespace std;
int n, k;
vector<pair<int, int> > e[200011];
vector<int> ans;
int main() {
ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
cin >> n >> k;
int li, ri;
for (int i = (0); i < (n); ++i) {
cin >> li >> ri;
--li, --ri;
e[li].emplace_back(-ri, i);
}
set<pair<int, int> > st;
for (int i = (0); i < (200005); ++i) {
for (auto p : e[i]) st.insert(p);
while (st.size() > k) {
ans.emplace_back(st.begin()->second);
st.erase(st.begin());
}
auto it = st.lower_bound({-i, -1});
while (!st.empty() && it->first == -i) {
it = st.erase(it);
}
}
cout << ans.size() << endl;
for (auto i : ans) cout << i + 1 << " ";
cout << endl;
return 0;
}
| 1,800 | CPP |
import sys
def fastio():
from io import StringIO
from atexit import register
global input
sys.stdin = StringIO(sys.stdin.read())
input = lambda : sys.stdin.readline().rstrip('\r\n')
sys.stdout = StringIO()
register(lambda : sys.__stdout__.write(sys.stdout.getvalue()))
fastio()
INF = 10**20
MOD = 10**9 + 7
I = lambda:list(map(int,input().split()))
from math import gcd
from math import ceil
from collections import defaultdict as dd, Counter
from bisect import bisect_left as bl, bisect_right as br
Q, = I()
while Q:
Q -= 1
s = input()
t = input()
n, m = len(s), len(t)
s_set = set(s)
t_set = set(t)
for i in t_set:
if i not in s_set:
print(-1)
break
else:
ans = 0
idx = [[] for i in range(26)]
for i in range(n):
idx[ord(s[i]) - 97].append(i)
cur = -1
ok = 0
for i in range(m):
x = ord(t[i]) - 97
k = br(idx[x], cur)
if k == len(idx[x]):
ans += 1
cur = idx[x][0]
else:
cur = idx[x][k]
ans += 1
print(ans) | 1,600 | PYTHON3 |
/*
* @Author: zhl
* @LastEditTime: 2021-02-08 21:20:19
*/
/* Author: zhl
* Time: 2021-02-07 22:35:03
**/
#include<bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
typedef long long ll;
int n, A[N], vis[N], B[N], pre[N], f[N], mx[N];
int main() {
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> A[i];
}
int cnt = 0;
int ppre = 0;
int ans = n;
for (int i = 1; i <= n; i++) {
if (A[i] == ppre) {
vis[cnt] = 1;
ans--;
}
else {
B[++cnt] = A[i];
}
ppre = A[i];
}
// for(int i = 1;i <= cnt;i++){
// cout << B[i] << " " << vis[i] << endl;
// }
for (int i = 1;i <= cnt;i++) {
if (pre[B[i]]) {
int p = pre[B[i]];
f[i] = max(f[i],mx[p + 1] + 1);
}
pre[B[i]] = i;
mx[i] = max(mx[i-1],f[i]);
}
ans -= mx[cnt];
cout << ans << endl;
}
| 2,100 | CPP |
#include <bits/stdc++.h>
using namespace std;
const long long N = 1e6 + 1;
const long long INF = 1e9 + 7;
const long long inf = 1e18;
vector<long long> adj[N];
long long vis[N];
long long ans[N];
long long ct;
void dfs(long long node) {
vis[node] = ct;
ans[ct]++;
for (auto it : adj[node]) {
if (!vis[it]) {
dfs(it);
}
}
}
int32_t main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
long long n, m;
cin >> n >> m;
for (long long i = 0; i < m; i++) {
long long x;
cin >> x;
long long count = 0, temp;
while (x--) {
long long a;
cin >> a;
if (count == 0) {
temp = a;
}
if (count > 0) {
adj[temp].push_back(a);
adj[a].push_back(temp);
temp = a;
}
count++;
}
count = 0;
}
for (long long i = 1; i <= n; i++) {
if (!vis[i]) {
ct++;
dfs(i);
}
cout << ans[vis[i]] << " ";
}
}
| 1,400 | CPP |
n, m=map(int, input().split())
i=0
while n!=0 and m!=0:
n-=1
m-=1
i+=1
if i%2:
print("Akshat")
else:
print("Malvika") | 900 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
using LL = long long;
const int B = 8, M = 1 << B;
int ord[6][3] = {{0, 1, 2}, {0, 2, 1}, {1, 0, 2},
{1, 2, 0}, {2, 0, 1}, {2, 1, 0}};
struct P {
int x, y, z;
bool operator==(const P &rhs) const {
return x == rhs.x && y == rhs.y && z == rhs.z;
}
P operator-(const P &rhs) { return P{x - rhs.x, y - rhs.y, z - rhs.z}; }
} ps[8], pa[8], p[8];
P perm(const P &p, int id) {
int c[3] = {p.x, p.y, p.z};
return {c[ord[id][0]], c[ord[id][1]], c[ord[id][2]]};
}
LL inner_product(const P &p1, const P &p2) {
return (LL)p1.x * p2.x + (LL)p1.y * p2.y + (LL)p1.z * p2.z;
}
bool found = false;
void solve(int dep) {
if (found) return;
if (dep == 8) {
LL l = 1ll << 60;
for (int i = 0; i < 8; i++)
for (int j = 0; j < i; j++)
l = min(l, inner_product(p[i] - p[j], p[i] - p[j]));
if (l == 0) return;
int count[5] = {0};
for (int i = 0; i < 8; i++)
for (int j = 0; j < i; j++) {
LL d = inner_product(p[i] - p[j], p[i] - p[j]);
if (d % l != 0) break;
d /= l;
if (1 <= d && d <= 3) count[d]++;
}
if (count[1] == 12 && count[2] == 12 && count[3] == 4) {
memcpy(pa, p, sizeof(p));
found = true;
}
return;
}
for (int i = 0; i < 6; i++) {
p[dep] = perm(ps[dep], i);
solve(dep + 1);
}
}
int main() {
for (int i = 0; i < B; i++) scanf("%d%d%d", &ps[i].x, &ps[i].y, &ps[i].z);
p[0] = ps[0];
solve(1);
if (!found)
puts("NO");
else {
puts("YES");
for (int i = 0; i < 8; i++) {
printf("%d %d %d\n", pa[i].x, pa[i].y, pa[i].z);
}
}
}
| 2,000 | CPP |
l=input().split()
a=int(l[0])
b=int(l[1])
print(min(a,b),end=' ')
print((max(a,b)-min(a,b))//2)
| 800 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
template <class _T_>
void read(_T_& d) {
d = 0;
int f = 1;
char c = getchar();
for (; c < '0' || c > '9'; c = getchar())
if (c == '-') f *= -1;
for (; c >= '0' && c <= '9'; c = getchar()) d = d * 10 + c - '0';
d *= f;
}
const double eps = 1e-9;
struct Node {
double x, y;
} p[2205], rt, P;
Node operator+(Node A, Node B) { return (Node){A.x + B.x, A.y + B.y}; }
Node operator-(Node A, Node B) { return (Node){A.x - B.x, A.y - B.y}; }
Node operator*(Node A, double B) { return (Node){A.x * B, A.y * B}; }
Node operator/(Node A, double B) { return (Node){A.x / B, A.y / B}; }
double operator*(Node A, Node B) { return A.x * B.x + A.y * B.y; }
bool operator==(Node A, Node B) { return A.x == B.x && A.y == B.y; }
int res, n, a;
pair<double, int> PP[2205];
bool Doit(int x) {
P = (p[a] + p[x]) * .5;
Node var = rt - P;
var = (Node){var.y, -var.x};
for (int i = 1; i <= n; ++i) {
PP[i] = make_pair(var * p[i], i);
}
sort(PP + 1, PP + n + 1);
int G = 0;
for (int i = 1; i <= n; ++i) {
if (PP[i].second == x) G += i;
if (PP[i].second == a) G += i;
}
if (G != n + 1) return 0;
for (int i = 1; i <= n; ++i) {
if (abs(PP[i].first + PP[n - i + 1].first - PP[1].first - PP[n].first) >
eps)
return 0;
}
return 1;
}
int main() {
read(n);
res = 0;
for (int i = 1; i <= n; ++i) {
scanf("%lf%lf", &p[i].x, &p[i].y);
rt = rt + p[i];
}
rt = rt / n;
for (int i = 1; i <= n; ++i) {
int A = 1;
for (int j = 1; j <= n; ++j)
if (p[i] + p[j] == rt + rt) A = 0;
if (A) {
a = i;
goto Turtle;
}
}
return puts("-1"), 0;
Turtle:
for (int i = 1; i <= n; ++i)
if (Doit(i)) ++res;
printf("%d\n", res);
return 0;
}
| 2,900 | CPP |
End of preview. Expand
in Dataset Viewer.
README.md exists but content is empty.
Use the Edit dataset card button to edit it.
- Downloads last month
- 92