답안 #734407

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
734407	2023-05-02T11:24:21 Z	Josia	Self Study (JOI22_ho_t2)	C++17	0 / 100	542 ms	5068 KB

Main

#include <bits/stdc++.h>

using namespace std;

#define int int64_t

int n, m;

bool check(int pos, vector<int>&a, vector<int>&b) {
    int free = 0;
    int req = 0;

    for (int i=0; i<n; i++) {
        int thisNeedsFromA = (pos+a[i]-1)/a[i];

        if (thisNeedsFromA <= m) {
            free += m-thisNeedsFromA;
        }
        else {
            req += (pos-a[i]*m + b[i]-1)/b[i];
        }
    }

    return free >= req;
}



signed main() {
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    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];

    for (int i = 0; i<n; i++) a[i] = max(a[i], b[i]);



    int l = 0, r = INT64_MAX;

    while (l < r) {
        int pos = (l + r + 1) / 2;

        if (check(pos, a, b)) {
            l = pos;
        } else {
            r = pos-1;
        }
    }


    cout << l << "\n";


    return 0;
}

Subtask #1

0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 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	4 ms	340 KB	Output is correct
11	Correct	205 ms	4948 KB	Output is correct
12	Correct	206 ms	4948 KB	Output is correct
13	Correct	219 ms	5012 KB	Output is correct
14	Incorrect	542 ms	5068 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	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	116 ms	2656 KB	Output is correct
10	Correct	74 ms	1900 KB	Output is correct
11	Correct	57 ms	1504 KB	Output is correct
12	Correct	45 ms	1236 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	6 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	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 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	4 ms	340 KB	Output is correct
11	Correct	205 ms	4948 KB	Output is correct
12	Correct	206 ms	4948 KB	Output is correct
13	Correct	219 ms	5012 KB	Output is correct
14	Incorrect	542 ms	5068 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	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	116 ms	2656 KB	Output is correct
10	Correct	74 ms	1900 KB	Output is correct
11	Correct	57 ms	1504 KB	Output is correct
12	Correct	45 ms	1236 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	6 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	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 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	4 ms	340 KB	Output is correct
11	Correct	205 ms	4948 KB	Output is correct
12	Correct	206 ms	4948 KB	Output is correct
13	Correct	219 ms	5012 KB	Output is correct
14	Incorrect	542 ms	5068 KB	Output isn't correct
15	Halted	0 ms	0 KB	-