답안 #786860

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
786860	2023-07-18T13:59:08 Z	WLZ	Self Study (JOI22_ho_t2)	C++17	0 / 100	445 ms	10824 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], a[i] = max(a[i], 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++) {
      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	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	1 ms	320 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	4 ms	480 KB	Output is correct
11	Correct	252 ms	10788 KB	Output is correct
12	Correct	258 ms	10824 KB	Output is correct
13	Correct	243 ms	8824 KB	Output is correct
14	Incorrect	445 ms	8836 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	1 ms	316 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	316 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	128 ms	5588 KB	Output is correct
10	Correct	87 ms	3788 KB	Output is correct
11	Correct	64 ms	2964 KB	Output is correct
12	Correct	51 ms	2380 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Incorrect	9 ms	332 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	1 ms	320 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	4 ms	480 KB	Output is correct
11	Correct	252 ms	10788 KB	Output is correct
12	Correct	258 ms	10824 KB	Output is correct
13	Correct	243 ms	8824 KB	Output is correct
14	Incorrect	445 ms	8836 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	1 ms	316 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	316 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	128 ms	5588 KB	Output is correct
10	Correct	87 ms	3788 KB	Output is correct
11	Correct	64 ms	2964 KB	Output is correct
12	Correct	51 ms	2380 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Incorrect	9 ms	332 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	1 ms	320 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	4 ms	480 KB	Output is correct
11	Correct	252 ms	10788 KB	Output is correct
12	Correct	258 ms	10824 KB	Output is correct
13	Correct	243 ms	8824 KB	Output is correct
14	Incorrect	445 ms	8836 KB	Output isn't correct
15	Halted	0 ms	0 KB	-