Submission #860969

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
860969	2023-10-15T01:51:53 Z	NeroZein	Self Study (JOI22_ho_t2)	C++17	0 / 100	428 ms	8592 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 - 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	1 ms	348 KB	Output is correct
10	Correct	3 ms	344 KB	Output is correct
11	Correct	180 ms	8592 KB	Output is correct
12	Correct	181 ms	8532 KB	Output is correct
13	Correct	132 ms	6608 KB	Output is correct
14	Incorrect	428 ms	6608 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	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	1 ms	604 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	4304 KB	Output is correct
10	Correct	48 ms	3164 KB	Output is correct
11	Correct	36 ms	2396 KB	Output is correct
12	Correct	34 ms	1880 KB	Output is correct
13	Correct	2 ms	348 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	600 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	1 ms	348 KB	Output is correct
10	Correct	3 ms	344 KB	Output is correct
11	Correct	180 ms	8592 KB	Output is correct
12	Correct	181 ms	8532 KB	Output is correct
13	Correct	132 ms	6608 KB	Output is correct
14	Incorrect	428 ms	6608 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	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	1 ms	604 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	4304 KB	Output is correct
10	Correct	48 ms	3164 KB	Output is correct
11	Correct	36 ms	2396 KB	Output is correct
12	Correct	34 ms	1880 KB	Output is correct
13	Correct	2 ms	348 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	600 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	1 ms	348 KB	Output is correct
10	Correct	3 ms	344 KB	Output is correct
11	Correct	180 ms	8592 KB	Output is correct
12	Correct	181 ms	8532 KB	Output is correct
13	Correct	132 ms	6608 KB	Output is correct
14	Incorrect	428 ms	6608 KB	Output isn't correct
15	Halted	0 ms	0 KB	-