Submission #860971

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
860971	2023-10-15T01:53:12 Z	NeroZein	Self Study (JOI22_ho_t2)	C++17	0 / 100	425 ms	2792 KB

Main

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

#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  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 ch = [&](long long mid) {
    long long days = 0; 
    for (int i = 0; i < n; ++i) {
      if (b[i] >= a[i]) {
        days += (mid + b[i] - 1) / b[i]; 
      } else {
        int t = min((long long) m, (mid + a[i] - 1) / a[i]);
        days += t;
        if (mid - (long long) a[i] * t > 0) {
          days += (mid - (long long) a[i] * t + b[i] - 1) / b[i];          
        }
      }
    }
    return days <= (long long) n * m; 
  }; 
  long long l = 0, r = 1e18;
  while (l < r) {
    long long mid = (l + r + 1) / 2;
    if (ch(mid)) l = mid;
    else r = mid - 1;
  }
  cout << l << '\n'; 
  return 0;
}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 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	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	3 ms	344 KB	Output is correct
11	Correct	179 ms	2652 KB	Output is correct
12	Correct	179 ms	2792 KB	Output is correct
13	Correct	134 ms	2792 KB	Output is correct
14	Incorrect	425 ms	2792 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	360 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	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	72 ms	1624 KB	Output is correct
10	Correct	47 ms	1112 KB	Output is correct
11	Correct	36 ms	860 KB	Output is correct
12	Correct	29 ms	860 KB	Output is correct
13	Correct	1 ms	600 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	4 ms	348 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 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	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	3 ms	344 KB	Output is correct
11	Correct	179 ms	2652 KB	Output is correct
12	Correct	179 ms	2792 KB	Output is correct
13	Correct	134 ms	2792 KB	Output is correct
14	Incorrect	425 ms	2792 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	360 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	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	72 ms	1624 KB	Output is correct
10	Correct	47 ms	1112 KB	Output is correct
11	Correct	36 ms	860 KB	Output is correct
12	Correct	29 ms	860 KB	Output is correct
13	Correct	1 ms	600 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	4 ms	348 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 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	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	3 ms	344 KB	Output is correct
11	Correct	179 ms	2652 KB	Output is correct
12	Correct	179 ms	2792 KB	Output is correct
13	Correct	134 ms	2792 KB	Output is correct
14	Incorrect	425 ms	2792 KB	Output isn't correct
15	Halted	0 ms	0 KB	-