답안 #921489

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
921489	2024-02-04T02:43:07 Z	cthbst	Self Study (JOI22_ho_t2)	C++14	62 / 100	326 ms	11052 KB

Main

#include <algorithm>
#include <cmath>
#include <iostream>

#define int long long

using namespace std;

const int MAXN = 300005;

int n, m;
int a[MAXN];
int b[MAXN];

void init() {
    cin >> n >> m;
    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]);
}

bool check(int D) {
    __int128 extra = 0;
    // cout << "D = " << D << '\n';
    for (int i = 0; i < n; i++) {
        if (a[i] * m >= D) {
            extra += m - ceil(1.0 * D / a[i]);
        } else {  // a[i] * m < D
            extra -= ceil(1.0 * (D - a[i] * m) / b[i]);
        }
    }
    return extra >= 0;
}

void solve() {
    int l = 1;
    int r = 1 + (int)1e18;

    // check(D) : D 愈小愈容易
    while (l != r) {
        int mid = (l + r) / 2;
        if (check(mid) == false) {
            r = mid;
        } else {
            l = mid + 1;
        }
    }
    int ans = r - 1;
    cout << ans << '\n';
}

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

    init();
    solve();

    return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 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	2396 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	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	5 ms	2396 KB	Output is correct
11	Correct	311 ms	5212 KB	Output is correct
12	Correct	310 ms	4952 KB	Output is correct
13	Correct	299 ms	5136 KB	Output is correct
14	Correct	326 ms	5132 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	315 ms	5080 KB	Output is correct
17	Correct	306 ms	4948 KB	Output is correct
18	Correct	311 ms	5136 KB	Output is correct

Subtask #2
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	315 ms	5080 KB	Output is correct
3	Correct	306 ms	4948 KB	Output is correct
4	Correct	311 ms	5136 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2480 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	151 ms	4700 KB	Output is correct
14	Correct	102 ms	4700 KB	Output is correct
15	Correct	81 ms	4700 KB	Output is correct
16	Correct	61 ms	4724 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	0 ms	2396 KB	Output is correct
19	Correct	0 ms	2396 KB	Output is correct
20	Correct	1 ms	2648 KB	Output is correct
21	Correct	0 ms	2396 KB	Output is correct
22	Correct	5 ms	2552 KB	Output is correct
23	Correct	6 ms	2652 KB	Output is correct

Subtask #3
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 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	2396 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	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	5 ms	2396 KB	Output is correct
11	Correct	311 ms	5212 KB	Output is correct
12	Correct	310 ms	4952 KB	Output is correct
13	Correct	299 ms	5136 KB	Output is correct
14	Correct	326 ms	5132 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2480 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	0 ms	2396 KB	Output is correct
23	Correct	151 ms	4700 KB	Output is correct
24	Correct	102 ms	4700 KB	Output is correct
25	Correct	81 ms	4700 KB	Output is correct
26	Correct	61 ms	4724 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	0 ms	2396 KB	Output is correct
29	Correct	0 ms	2396 KB	Output is correct
30	Correct	1 ms	2648 KB	Output is correct
31	Correct	0 ms	2396 KB	Output is correct
32	Correct	5 ms	2552 KB	Output is correct
33	Correct	6 ms	2652 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	315 ms	5080 KB	Output is correct
36	Correct	306 ms	4948 KB	Output is correct
37	Correct	311 ms	5136 KB	Output is correct
38	Correct	1 ms	2392 KB	Output is correct
39	Correct	1 ms	2396 KB	Output is correct
40	Correct	1 ms	2396 KB	Output is correct
41	Correct	1 ms	2396 KB	Output is correct
42	Correct	1 ms	2392 KB	Output is correct
43	Correct	1 ms	2396 KB	Output is correct
44	Correct	1 ms	2512 KB	Output is correct
45	Correct	6 ms	2652 KB	Output is correct
46	Correct	10 ms	2652 KB	Output is correct
47	Correct	1 ms	2524 KB	Output is correct
48	Correct	53 ms	5724 KB	Output is correct
49	Correct	1 ms	2396 KB	Output is correct
50	Correct	1 ms	2396 KB	Output is correct
51	Correct	6 ms	2396 KB	Output is correct
52	Correct	1 ms	2396 KB	Output is correct
53	Correct	1 ms	2396 KB	Output is correct
54	Correct	1 ms	2396 KB	Output is correct
55	Correct	155 ms	7596 KB	Output is correct
56	Correct	99 ms	5980 KB	Output is correct
57	Correct	107 ms	5988 KB	Output is correct

Subtask #4
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2480 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 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	151 ms	4700 KB	Output is correct
10	Correct	102 ms	4700 KB	Output is correct
11	Correct	81 ms	4700 KB	Output is correct
12	Correct	61 ms	4724 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	1 ms	2648 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Correct	5 ms	2552 KB	Output is correct
19	Correct	6 ms	2652 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	315 ms	5080 KB	Output is correct
22	Correct	306 ms	4948 KB	Output is correct
23	Correct	311 ms	5136 KB	Output is correct
24	Correct	49 ms	5612 KB	Output is correct
25	Correct	140 ms	7320 KB	Output is correct
26	Correct	33 ms	5192 KB	Output is correct
27	Correct	306 ms	11052 KB	Output is correct
28	Correct	309 ms	10932 KB	Output is correct
29	Correct	307 ms	10928 KB	Output is correct
30	Correct	306 ms	10836 KB	Output is correct
31	Incorrect	308 ms	10812 KB	Output isn't correct
32	Halted	0 ms	0 KB	-

Subtask #5
0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 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	2396 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	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	5 ms	2396 KB	Output is correct
11	Correct	311 ms	5212 KB	Output is correct
12	Correct	310 ms	4952 KB	Output is correct
13	Correct	299 ms	5136 KB	Output is correct
14	Correct	326 ms	5132 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2480 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	0 ms	2396 KB	Output is correct
23	Correct	151 ms	4700 KB	Output is correct
24	Correct	102 ms	4700 KB	Output is correct
25	Correct	81 ms	4700 KB	Output is correct
26	Correct	61 ms	4724 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	0 ms	2396 KB	Output is correct
29	Correct	0 ms	2396 KB	Output is correct
30	Correct	1 ms	2648 KB	Output is correct
31	Correct	0 ms	2396 KB	Output is correct
32	Correct	5 ms	2552 KB	Output is correct
33	Correct	6 ms	2652 KB	Output is correct
34	Correct	1 ms	2392 KB	Output is correct
35	Correct	1 ms	2396 KB	Output is correct
36	Correct	1 ms	2396 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2392 KB	Output is correct
39	Correct	1 ms	2396 KB	Output is correct
40	Correct	1 ms	2512 KB	Output is correct
41	Correct	6 ms	2652 KB	Output is correct
42	Correct	10 ms	2652 KB	Output is correct
43	Correct	1 ms	2524 KB	Output is correct
44	Correct	53 ms	5724 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct
46	Correct	1 ms	2396 KB	Output is correct
47	Correct	6 ms	2396 KB	Output is correct
48	Correct	1 ms	2396 KB	Output is correct
49	Correct	1 ms	2396 KB	Output is correct
50	Correct	1 ms	2396 KB	Output is correct
51	Correct	155 ms	7596 KB	Output is correct
52	Correct	99 ms	5980 KB	Output is correct
53	Correct	107 ms	5988 KB	Output is correct
54	Correct	49 ms	5612 KB	Output is correct
55	Correct	140 ms	7320 KB	Output is correct
56	Correct	33 ms	5192 KB	Output is correct
57	Correct	306 ms	11052 KB	Output is correct
58	Correct	309 ms	10932 KB	Output is correct
59	Correct	307 ms	10928 KB	Output is correct
60	Correct	306 ms	10836 KB	Output is correct
61	Incorrect	308 ms	10812 KB	Output isn't correct
62	Halted	0 ms	0 KB	-

답안 #921489

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 25.0 / 25.0

Subtask #3 27.0 / 27.0

Subtask #4 0 / 29.0

Subtask #5 0 / 9.0

Subtask #1
10.0 / 10.0

Subtask #2
25.0 / 25.0

Subtask #3
27.0 / 27.0

Subtask #4
0 / 29.0

Subtask #5
0 / 9.0