답안 #868656

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
868656	2023-11-01T06:06:52 Z	Desh03	Self Study (JOI22_ho_t2)	C++17	0 / 100	273 ms	8684 KB

Main

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    vector<int> a(n), b(n);
    for (int &x : a) {
        cin >> x;
    }
    for (int &x : b) {
        cin >> x;
    }
    auto check = [&](long long x) {
        long long t = 0;
        for (int i = 0; i < n; i++) {
            if (b[i] >= a[i]) {
                t += m - (x + b[i] - 1) / b[i];
            } else {
                if ((long long) a[i] * m >= x) t += m - (x + a[i] - 1) / a[i];
                else t -= (x - (long long) a[i] * m + b[i] - 1) / b[i];
            }
        }
        return t >= 0;
    };
    long long l = 0, r = 1e18;
    while (l < r) {
        long long m = l + r + 1 >> 1;
        if (check(m)) l = m;
        else r = m - 1;
    }
    cout << l << '\n';
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:31:29: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   31 |         long long m = l + r + 1 >> 1;
      |                       ~~~~~~^~~

Subtask #1

0 / 10.0

#	결과	실행 시간	메모리	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	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	456 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	348 KB	Output is correct
11	Correct	151 ms	8684 KB	Output is correct
12	Correct	151 ms	8528 KB	Output is correct
13	Correct	139 ms	6480 KB	Output is correct
14	Incorrect	273 ms	6608 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	464 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	456 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	72 ms	4420 KB	Output is correct
10	Correct	48 ms	3156 KB	Output is correct
11	Correct	36 ms	2448 KB	Output is correct
12	Correct	29 ms	2088 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	1 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Incorrect	5 ms	348 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	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	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	456 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	348 KB	Output is correct
11	Correct	151 ms	8684 KB	Output is correct
12	Correct	151 ms	8528 KB	Output is correct
13	Correct	139 ms	6480 KB	Output is correct
14	Incorrect	273 ms	6608 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	464 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	456 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	72 ms	4420 KB	Output is correct
10	Correct	48 ms	3156 KB	Output is correct
11	Correct	36 ms	2448 KB	Output is correct
12	Correct	29 ms	2088 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	1 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Incorrect	5 ms	348 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	결과	실행 시간	메모리	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	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	456 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	348 KB	Output is correct
11	Correct	151 ms	8684 KB	Output is correct
12	Correct	151 ms	8528 KB	Output is correct
13	Correct	139 ms	6480 KB	Output is correct
14	Incorrect	273 ms	6608 KB	Output isn't correct
15	Halted	0 ms	0 KB	-