#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 2e5 + 2;
const int inf = 2e9;
ll C(ll a, ll b) {
if (a <= 0) return 0;
return (a + b - 1) / b;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n;
ll m;
cin >> n >> m;
vector<ll> a(n), b(n);
for (int i = 0; i < n; i++) cin >> a[i];
for (int i = 0; i < n; i++) cin >> b[i];
auto Can = [&] (ll x) {
ll kol = 0;
for (int i = 0; i < n; i++) {
kol += C(x, b[i]);
ll u = min(C(x, a[i]), m);
ll s = C(x - u * a[i], b[i]);
if (u + s < C(x, b[i])) kol += u + s - C(x, b[i]);
}
return kol <= n * m;
};
ll l = 1, r = 1e18, ans = l;
while (l <= r) {
ll mid = l + r >> 1;
if (Can(mid)) {
l = mid + 1;
ans = mid;
}
else r = mid - 1;
}
cout << ans << en;
return 0;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:37:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
37 | ll mid = l + r >> 1;
| ~~^~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
320 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
6 ms |
468 KB |
Output is correct |
| 11 |
Correct |
339 ms |
5132 KB |
Output is correct |
| 12 |
Correct |
332 ms |
5136 KB |
Output is correct |
| 13 |
Correct |
437 ms |
5132 KB |
Output is correct |
| 14 |
Incorrect |
724 ms |
5144 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
320 KB |
Output is correct |
| 9 |
Correct |
175 ms |
2708 KB |
Output is correct |
| 10 |
Correct |
111 ms |
2092 KB |
Output is correct |
| 11 |
Correct |
83 ms |
1624 KB |
Output is correct |
| 12 |
Correct |
70 ms |
1364 KB |
Output is correct |
| 13 |
Correct |
2 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
316 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Incorrect |
13 ms |
416 KB |
Output isn't correct |
| 19 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
320 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
6 ms |
468 KB |
Output is correct |
| 11 |
Correct |
339 ms |
5132 KB |
Output is correct |
| 12 |
Correct |
332 ms |
5136 KB |
Output is correct |
| 13 |
Correct |
437 ms |
5132 KB |
Output is correct |
| 14 |
Incorrect |
724 ms |
5144 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
320 KB |
Output is correct |
| 9 |
Correct |
175 ms |
2708 KB |
Output is correct |
| 10 |
Correct |
111 ms |
2092 KB |
Output is correct |
| 11 |
Correct |
83 ms |
1624 KB |
Output is correct |
| 12 |
Correct |
70 ms |
1364 KB |
Output is correct |
| 13 |
Correct |
2 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
316 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Incorrect |
13 ms |
416 KB |
Output isn't correct |
| 19 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
320 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
6 ms |
468 KB |
Output is correct |
| 11 |
Correct |
339 ms |
5132 KB |
Output is correct |
| 12 |
Correct |
332 ms |
5136 KB |
Output is correct |
| 13 |
Correct |
437 ms |
5132 KB |
Output is correct |
| 14 |
Incorrect |
724 ms |
5144 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
