Submission #528771

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
528771	2022-02-21T11:28:44 Z	FireGhost1301	Self Study (JOI22_ho_t2)	C++11	0 / 100	301 ms	7108 KB

Main

#include <bits/stdc++.h>
using namespace std;

const int N = 3e5 + 3;
int n, m, a[N], b[N];

bool check(long long d) {
    long long sum = 0;
    for (int i = 1; i <= n; ++i) {
        if (1LL * a[i] * m >= d) sum += (d + a[i] - 1) / a[i];
        else sum += m + (d - 1LL * a[i] * m + b[i] - 1) / b[i];
    }
    return sum <= 1LL * n * m;
}

void solve() {
    cin >> n >> m;
    for (int i = 1; i <= n; ++i)
        cin >> a[i];
    for (int i = 1; i <= n; ++i)
        cin >> b[i], a[i] = max(a[i], b[i]);
    long long l = 1, r = 1e18, ans, mid;
    while (l <= r) {
        mid = (l + r) >> 1;
        if (check(mid)) ans = mid, l = mid + 1;
        else r = mid - 1;
    }
    cout << ans;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    solve();
    return 0;
}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	316 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	3 ms	332 KB	Output is correct
11	Correct	177 ms	7108 KB	Output is correct
12	Correct	160 ms	7024 KB	Output is correct
13	Correct	167 ms	4260 KB	Output is correct
14	Incorrect	301 ms	6312 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	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	82 ms	3648 KB	Output is correct
10	Correct	55 ms	1988 KB	Output is correct
11	Correct	44 ms	1424 KB	Output is correct
12	Correct	36 ms	1320 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Incorrect	5 ms	332 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	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	316 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	3 ms	332 KB	Output is correct
11	Correct	177 ms	7108 KB	Output is correct
12	Correct	160 ms	7024 KB	Output is correct
13	Correct	167 ms	4260 KB	Output is correct
14	Incorrect	301 ms	6312 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	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	82 ms	3648 KB	Output is correct
10	Correct	55 ms	1988 KB	Output is correct
11	Correct	44 ms	1424 KB	Output is correct
12	Correct	36 ms	1320 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Incorrect	5 ms	332 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	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	316 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	3 ms	332 KB	Output is correct
11	Correct	177 ms	7108 KB	Output is correct
12	Correct	160 ms	7024 KB	Output is correct
13	Correct	167 ms	4260 KB	Output is correct
14	Incorrect	301 ms	6312 KB	Output isn't correct
15	Halted	0 ms	0 KB	-