Submission #860970

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
860970	2023-10-15T01:52:33 Z	NeroZein	Self Study (JOI22_ho_t2)	C++17	0 / 100	426 ms	5204 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;
  #define int long long
  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 - 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	344 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	348 KB	Output is correct
11	Correct	175 ms	5140 KB	Output is correct
12	Correct	177 ms	5204 KB	Output is correct
13	Correct	131 ms	4952 KB	Output is correct
14	Incorrect	426 ms	5144 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	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	71 ms	2800 KB	Output is correct
10	Correct	47 ms	1880 KB	Output is correct
11	Correct	36 ms	1880 KB	Output is correct
12	Correct	30 ms	1372 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	348 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	344 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	348 KB	Output is correct
11	Correct	175 ms	5140 KB	Output is correct
12	Correct	177 ms	5204 KB	Output is correct
13	Correct	131 ms	4952 KB	Output is correct
14	Incorrect	426 ms	5144 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	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	71 ms	2800 KB	Output is correct
10	Correct	47 ms	1880 KB	Output is correct
11	Correct	36 ms	1880 KB	Output is correct
12	Correct	30 ms	1372 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	348 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	344 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	348 KB	Output is correct
11	Correct	175 ms	5140 KB	Output is correct
12	Correct	177 ms	5204 KB	Output is correct
13	Correct	131 ms	4952 KB	Output is correct
14	Incorrect	426 ms	5144 KB	Output isn't correct
15	Halted	0 ms	0 KB	-