답안 #786866

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
786866	2023-07-18T14:02:57 Z	WLZ	Self Study (JOI22_ho_t2)	C++17	0 / 100	452 ms	5064 KB

Main

#include <bits/stdc++.h>
using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m;
  cin >> n >> m;
  vector<int> 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 check = [&](long long k) {
    vector<long long> left(n, k);
    long long weeks_left = (long long) n * m;
    for (int i = 0; i < n; i++) {
      if (a[i] <= b[i]) continue;
      long long div = min((long long) m, (k + a[i] - 1) / a[i]);
      left[i] = max(0ll, left[i] - a[i] * div);
      weeks_left -= div;
    }
    for (int i = 0; i < n; i++) weeks_left -= (left[i] + b[i] - 1) / b[i];
    return weeks_left >= 0;
  };

  long long lo = 0, hi = (long long) 2e18;
  while (lo < hi) {
    long long mid = (lo + hi + 1) / 2;
    if (check(mid)) lo = mid;
    else hi = mid - 1;
  }
  cout << lo << '\n';
  return 0;
}

Subtask #1

0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	224 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	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	4 ms	340 KB	Output is correct
11	Correct	257 ms	4976 KB	Output is correct
12	Correct	256 ms	5008 KB	Output is correct
13	Correct	160 ms	5012 KB	Output is correct
14	Incorrect	452 ms	5064 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	85 ms	2668 KB	Output is correct
10	Correct	57 ms	1876 KB	Output is correct
11	Correct	43 ms	1492 KB	Output is correct
12	Correct	37 ms	1268 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	5 ms	340 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	224 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	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	4 ms	340 KB	Output is correct
11	Correct	257 ms	4976 KB	Output is correct
12	Correct	256 ms	5008 KB	Output is correct
13	Correct	160 ms	5012 KB	Output is correct
14	Incorrect	452 ms	5064 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	85 ms	2668 KB	Output is correct
10	Correct	57 ms	1876 KB	Output is correct
11	Correct	43 ms	1492 KB	Output is correct
12	Correct	37 ms	1268 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	5 ms	340 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	224 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	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	4 ms	340 KB	Output is correct
11	Correct	257 ms	4976 KB	Output is correct
12	Correct	256 ms	5008 KB	Output is correct
13	Correct	160 ms	5012 KB	Output is correct
14	Incorrect	452 ms	5064 KB	Output isn't correct
15	Halted	0 ms	0 KB	-