Submission #783313

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
783313	2023-07-14T20:38:49 Z	thimote75	Self Study (JOI22_ho_t2)	C++14	0 / 100	306 ms	10776 KB

Main

#include <bits/stdc++.h>
#define int long long

using namespace std;

using idata = vector<int>;

int N, M;

idata As, Bs;

int solve (int A, int B, int target) {
    if (A < B) A = B;

    if (A * M >= target)
        return M - ceil(((double) target) / ((double) A));
    
    int local = target - A * M;

    return - ceil(((double)local) / ((double) B));
}

bool check (int target) {
    int res = 0;
    for (int i = 0; i < N; i ++)
        res += solve(As[i], Bs[i], target);
    
    return res >= 0;
}

signed main () {
    cin >> N >> M;

    As.resize(N); Bs.resize(N);
    for (int i = 0; i < N; i ++) cin >> As[i];
    for (int i = 0; i < N; i ++) cin >> Bs[i];

    int a = 0;
    int b = 1e18;
    while (b - a > 1) {
        int c = (a + b) >> 1;

        if (check(c)) a = c;
        else b = c;
    }

    cout << a << endl;
}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	304 KB	Output is correct
2	Correct	1 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	1 ms	212 KB	Output is correct
8	Correct	1 ms	300 KB	Output is correct
9	Correct	1 ms	296 KB	Output is correct
10	Correct	4 ms	340 KB	Output is correct
11	Correct	274 ms	10776 KB	Output is correct
12	Correct	306 ms	10732 KB	Output is correct
13	Correct	270 ms	8796 KB	Output is correct
14	Incorrect	186 ms	8684 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	300 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	175 ms	5432 KB	Output is correct
10	Correct	94 ms	3760 KB	Output is correct
11	Correct	80 ms	2920 KB	Output is correct
12	Correct	57 ms	2396 KB	Output is correct
13	Correct	2 ms	212 KB	Output is correct
14	Correct	1 ms	300 KB	Output is correct
15	Correct	1 ms	300 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Incorrect	3 ms	340 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	304 KB	Output is correct
2	Correct	1 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	1 ms	212 KB	Output is correct
8	Correct	1 ms	300 KB	Output is correct
9	Correct	1 ms	296 KB	Output is correct
10	Correct	4 ms	340 KB	Output is correct
11	Correct	274 ms	10776 KB	Output is correct
12	Correct	306 ms	10732 KB	Output is correct
13	Correct	270 ms	8796 KB	Output is correct
14	Incorrect	186 ms	8684 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	300 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	175 ms	5432 KB	Output is correct
10	Correct	94 ms	3760 KB	Output is correct
11	Correct	80 ms	2920 KB	Output is correct
12	Correct	57 ms	2396 KB	Output is correct
13	Correct	2 ms	212 KB	Output is correct
14	Correct	1 ms	300 KB	Output is correct
15	Correct	1 ms	300 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Incorrect	3 ms	340 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	304 KB	Output is correct
2	Correct	1 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	1 ms	212 KB	Output is correct
8	Correct	1 ms	300 KB	Output is correct
9	Correct	1 ms	296 KB	Output is correct
10	Correct	4 ms	340 KB	Output is correct
11	Correct	274 ms	10776 KB	Output is correct
12	Correct	306 ms	10732 KB	Output is correct
13	Correct	270 ms	8796 KB	Output is correct
14	Incorrect	186 ms	8684 KB	Output isn't correct
15	Halted	0 ms	0 KB	-