#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
#define int __int128
#define pii pair<int,int>
#define p_q priority_queue
#define endl '\n'
#define pb push_back
long long n, m;
vector<long long> a, b;
bool check(int mid) {
int rem = n*m;
for (int i = 0; i < n; ++i) {
if (a[i] > b[i]) {
if (a[i]*m >= mid) {
rem -= mid/a[i]+(mid%a[i] > 0);
} else {
int cur = mid-a[i]*m;
rem -= m;
rem -= cur/b[i]+(cur%b[i] > 0);
}
} else {
if (mid%b[i]) rem -= (mid/b[i]+1);
else rem -= mid/b[i];
//rem -= mid/b[i]+(mid%b[i] > 0);
}
}
return rem >= 0;
}
signed main() {
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
cin>>n>>m;
a.resize(n), b.resize(n);
for (auto& i : a) cin>>i;
for (auto& i : b) cin>>i;
int l = 0, r = 4e36;
while(r-l > 1) {
int mid = r+(l-r)/2;
if (check(mid)) l = mid;
else r = mid;
}
long long ans = l;
cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
456 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
452 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
8 ms |
604 KB |
Output is correct |
11 |
Correct |
547 ms |
10932 KB |
Output is correct |
12 |
Correct |
521 ms |
10836 KB |
Output is correct |
13 |
Correct |
416 ms |
8720 KB |
Output is correct |
14 |
Incorrect |
998 ms |
8788 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
217 ms |
5696 KB |
Output is correct |
10 |
Correct |
144 ms |
3948 KB |
Output is correct |
11 |
Correct |
108 ms |
3080 KB |
Output is correct |
12 |
Correct |
88 ms |
2392 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Incorrect |
16 ms |
548 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
456 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
452 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
8 ms |
604 KB |
Output is correct |
11 |
Correct |
547 ms |
10932 KB |
Output is correct |
12 |
Correct |
521 ms |
10836 KB |
Output is correct |
13 |
Correct |
416 ms |
8720 KB |
Output is correct |
14 |
Incorrect |
998 ms |
8788 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
217 ms |
5696 KB |
Output is correct |
10 |
Correct |
144 ms |
3948 KB |
Output is correct |
11 |
Correct |
108 ms |
3080 KB |
Output is correct |
12 |
Correct |
88 ms |
2392 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Incorrect |
16 ms |
548 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
456 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
452 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
8 ms |
604 KB |
Output is correct |
11 |
Correct |
547 ms |
10932 KB |
Output is correct |
12 |
Correct |
521 ms |
10836 KB |
Output is correct |
13 |
Correct |
416 ms |
8720 KB |
Output is correct |
14 |
Incorrect |
998 ms |
8788 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |