Submission #936133

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
936133	2024-03-01T08:17:24 Z	weakweakweak	Self Study (JOI22_ho_t2)	C++14	0 / 100	503 ms	5464 KB

Main

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

#define ll long long
ll n, m, a[310000], b[310000];

bool can (ll v) {
    ll now = 0;
    for (int i = 1; i <= n; i++) {
        ll inclass = (v + a[i] - 1) / a[i];
        if (inclass == m) continue;
        if (inclass < m) now += m - inclass;
        else {
            ll z = v - m * a[i];
            now -= (z + b[i] - 1) / b[i];
        }
    }
return now >= 0;}

int main () {
    ios_base::sync_with_stdio(false); cin.tie(0);
    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]);
    }

    ll l = 0, r = 4e18;
    while (l + 20 < r) {
        ll mid = (l + r) / 2;
        if (can(mid)) l = mid;
        else r = mid;
    }
    while (can(l + 1) and l < r) l++;
    // cout << can(19) << '\n';
    cout << l << '\n'; 
return 0;}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2392 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2392 KB	Output is correct
10	Correct	4 ms	2396 KB	Output is correct
11	Correct	217 ms	5464 KB	Output is correct
12	Correct	218 ms	5200 KB	Output is correct
13	Correct	226 ms	5216 KB	Output is correct
14	Incorrect	503 ms	5208 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	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2392 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	0 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	120 ms	4724 KB	Output is correct
10	Correct	77 ms	4724 KB	Output is correct
11	Correct	57 ms	4700 KB	Output is correct
12	Correct	47 ms	4728 KB	Output is correct
13	Correct	1 ms	2392 KB	Output is correct
14	Correct	1 ms	2392 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	1 ms	2392 KB	Output is correct
17	Correct	0 ms	2392 KB	Output is correct
18	Incorrect	8 ms	2396 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	2392 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2392 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2392 KB	Output is correct
10	Correct	4 ms	2396 KB	Output is correct
11	Correct	217 ms	5464 KB	Output is correct
12	Correct	218 ms	5200 KB	Output is correct
13	Correct	226 ms	5216 KB	Output is correct
14	Incorrect	503 ms	5208 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	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2392 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	0 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	120 ms	4724 KB	Output is correct
10	Correct	77 ms	4724 KB	Output is correct
11	Correct	57 ms	4700 KB	Output is correct
12	Correct	47 ms	4728 KB	Output is correct
13	Correct	1 ms	2392 KB	Output is correct
14	Correct	1 ms	2392 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	1 ms	2392 KB	Output is correct
17	Correct	0 ms	2392 KB	Output is correct
18	Incorrect	8 ms	2396 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	2392 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2392 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2392 KB	Output is correct
10	Correct	4 ms	2396 KB	Output is correct
11	Correct	217 ms	5464 KB	Output is correct
12	Correct	218 ms	5200 KB	Output is correct
13	Correct	226 ms	5216 KB	Output is correct
14	Incorrect	503 ms	5208 KB	Output isn't correct
15	Halted	0 ms	0 KB	-