답안 #703251

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
703251	2023-02-26T18:24:01 Z	MilosMilutinovic	Self Study (JOI22_ho_t2)	C++14	0 / 100	312 ms	8508 KB

Main

/**
 *    author:  wxhtzdy
 *    created: 26.02.2023 19:18:55
**/
#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);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  vector<int> b(n);
  for (int i = 0; i < n; i++) {
    cin >> b[i];           
    if (a[i] < b[i]) {
      a[i] = b[i];
    }
  }
  auto Solve = [&](long long x) {
    long long f = 0;
    for (int i = 0; i < n; i++) {
      if (m * 1LL * a[i] >= x) {
        long long take = (x + a[i] - 1) / a[i];
        f += m - take;
      }
    }         
    for (int i = 0; i < n; i++) {
      if (m * 1LL * a[i] < x) {
        long long need = (x - m * 1LL * a[i] + b[i] - 1) / b[i];
        f -= need;        
      }
    }
    return f >= 0;
  };
  long long low = 0, high = 1e18, ans = 0;
  while (low <= high) {
    long long mid = low + high >> 1;
    if (Solve(mid)) {
      ans = mid;
      low = mid + 1;
    } else {
      high = mid - 1;
    }
  }
  cout << ans << '\n';                  
  return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:43:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   43 |     long long mid = low + high >> 1;
      |                     ~~~~^~~~~~

Subtask #1

0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	312 KB	Output is correct
3	Correct	1 ms	312 KB	Output is correct
4	Correct	0 ms	320 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	316 KB	Output is correct
7	Correct	0 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	3 ms	340 KB	Output is correct
11	Correct	186 ms	8508 KB	Output is correct
12	Correct	196 ms	8452 KB	Output is correct
13	Correct	164 ms	6348 KB	Output is correct
14	Incorrect	312 ms	6472 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	1 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	1 ms	212 KB	Output is correct
6	Correct	0 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	93 ms	4396 KB	Output is correct
10	Correct	58 ms	3020 KB	Output is correct
11	Correct	44 ms	2268 KB	Output is correct
12	Correct	38 ms	1876 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 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	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	1 ms	212 KB	Output is correct
2	Correct	1 ms	312 KB	Output is correct
3	Correct	1 ms	312 KB	Output is correct
4	Correct	0 ms	320 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	316 KB	Output is correct
7	Correct	0 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	3 ms	340 KB	Output is correct
11	Correct	186 ms	8508 KB	Output is correct
12	Correct	196 ms	8452 KB	Output is correct
13	Correct	164 ms	6348 KB	Output is correct
14	Incorrect	312 ms	6472 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	1 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	1 ms	212 KB	Output is correct
6	Correct	0 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	93 ms	4396 KB	Output is correct
10	Correct	58 ms	3020 KB	Output is correct
11	Correct	44 ms	2268 KB	Output is correct
12	Correct	38 ms	1876 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 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	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	1 ms	212 KB	Output is correct
2	Correct	1 ms	312 KB	Output is correct
3	Correct	1 ms	312 KB	Output is correct
4	Correct	0 ms	320 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	316 KB	Output is correct
7	Correct	0 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	3 ms	340 KB	Output is correct
11	Correct	186 ms	8508 KB	Output is correct
12	Correct	196 ms	8452 KB	Output is correct
13	Correct	164 ms	6348 KB	Output is correct
14	Incorrect	312 ms	6472 KB	Output isn't correct
15	Halted	0 ms	0 KB	-