답안 #921494

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
921494	2024-02-04T02:51:47 Z	cthbst	Self Study (JOI22_ho_t2)	C++14	100 / 100	203 ms	5384 KB

Main

#include <algorithm>
#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]);
}

int div_ceil(int x, int y) {
    int ans = x / y;
    if (x % y > 0) ans++;
    return ans;
}

bool check(int D) {
    //  __int128 extra = 0;
    int extra = 0;
    for (int i = 0; i < n; i++) {
        if (a[i] * m >= D) {
            int val = m - div_ceil(D, a[i]);
            extra += val;
        } else {  // a[i] * m < D
            int val = div_ceil(D - a[i] * m, b[i]);
            extra -= val;
            if (extra < -n * m) return false;
        }
    }
    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	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 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	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	2 ms	2396 KB	Output is correct
11	Correct	82 ms	5064 KB	Output is correct
12	Correct	82 ms	5384 KB	Output is correct
13	Correct	78 ms	4956 KB	Output is correct
14	Correct	58 ms	4956 KB	Output is correct
15	Correct	1 ms	2392 KB	Output is correct
16	Correct	26 ms	4956 KB	Output is correct
17	Correct	87 ms	4948 KB	Output is correct
18	Correct	80 ms	5272 KB	Output is correct

Subtask #2
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	26 ms	4956 KB	Output is correct
3	Correct	87 ms	4948 KB	Output is correct
4	Correct	80 ms	5272 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	0 ms	2396 KB	Output is correct
8	Correct	0 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	43 ms	4700 KB	Output is correct
14	Correct	28 ms	4700 KB	Output is correct
15	Correct	20 ms	4700 KB	Output is correct
16	Correct	18 ms	4560 KB	Output is correct
17	Correct	1 ms	2396 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	0 ms	2396 KB	Output is correct
22	Correct	1 ms	2548 KB	Output is correct
23	Correct	2 ms	2396 KB	Output is correct

Subtask #3
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 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	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	2 ms	2396 KB	Output is correct
11	Correct	82 ms	5064 KB	Output is correct
12	Correct	82 ms	5384 KB	Output is correct
13	Correct	78 ms	4956 KB	Output is correct
14	Correct	58 ms	4956 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Correct	0 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	43 ms	4700 KB	Output is correct
24	Correct	28 ms	4700 KB	Output is correct
25	Correct	20 ms	4700 KB	Output is correct
26	Correct	18 ms	4560 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	0 ms	2396 KB	Output is correct
32	Correct	1 ms	2548 KB	Output is correct
33	Correct	2 ms	2396 KB	Output is correct
34	Correct	1 ms	2392 KB	Output is correct
35	Correct	26 ms	4956 KB	Output is correct
36	Correct	87 ms	4948 KB	Output is correct
37	Correct	80 ms	5272 KB	Output is correct
38	Correct	1 ms	2396 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	0 ms	2396 KB	Output is correct
43	Correct	1 ms	2396 KB	Output is correct
44	Correct	1 ms	2396 KB	Output is correct
45	Correct	2 ms	2396 KB	Output is correct
46	Correct	3 ms	2396 KB	Output is correct
47	Correct	1 ms	2396 KB	Output is correct
48	Correct	15 ms	4700 KB	Output is correct
49	Correct	1 ms	2396 KB	Output is correct
50	Correct	1 ms	2396 KB	Output is correct
51	Correct	2 ms	2396 KB	Output is correct
52	Correct	0 ms	2396 KB	Output is correct
53	Correct	0 ms	2396 KB	Output is correct
54	Correct	1 ms	2396 KB	Output is correct
55	Correct	42 ms	4720 KB	Output is correct
56	Correct	27 ms	4700 KB	Output is correct
57	Correct	21 ms	4696 KB	Output is correct

Subtask #4
29.0 / 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	0 ms	2396 KB	Output is correct
4	Correct	0 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	43 ms	4700 KB	Output is correct
10	Correct	28 ms	4700 KB	Output is correct
11	Correct	20 ms	4700 KB	Output is correct
12	Correct	18 ms	4560 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Correct	1 ms	2548 KB	Output is correct
19	Correct	2 ms	2396 KB	Output is correct
20	Correct	1 ms	2392 KB	Output is correct
21	Correct	26 ms	4956 KB	Output is correct
22	Correct	87 ms	4948 KB	Output is correct
23	Correct	80 ms	5272 KB	Output is correct
24	Correct	26 ms	4696 KB	Output is correct
25	Correct	62 ms	4720 KB	Output is correct
26	Correct	11 ms	4696 KB	Output is correct
27	Correct	86 ms	5204 KB	Output is correct
28	Correct	83 ms	5140 KB	Output is correct
29	Correct	86 ms	5132 KB	Output is correct
30	Correct	107 ms	4952 KB	Output is correct
31	Correct	184 ms	5132 KB	Output is correct
32	Correct	97 ms	4956 KB	Output is correct
33	Correct	203 ms	4956 KB	Output is correct
34	Correct	91 ms	5136 KB	Output is correct

Subtask #5
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 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	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	2 ms	2396 KB	Output is correct
11	Correct	82 ms	5064 KB	Output is correct
12	Correct	82 ms	5384 KB	Output is correct
13	Correct	78 ms	4956 KB	Output is correct
14	Correct	58 ms	4956 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Correct	0 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	43 ms	4700 KB	Output is correct
24	Correct	28 ms	4700 KB	Output is correct
25	Correct	20 ms	4700 KB	Output is correct
26	Correct	18 ms	4560 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	0 ms	2396 KB	Output is correct
32	Correct	1 ms	2548 KB	Output is correct
33	Correct	2 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 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	0 ms	2396 KB	Output is correct
39	Correct	1 ms	2396 KB	Output is correct
40	Correct	1 ms	2396 KB	Output is correct
41	Correct	2 ms	2396 KB	Output is correct
42	Correct	3 ms	2396 KB	Output is correct
43	Correct	1 ms	2396 KB	Output is correct
44	Correct	15 ms	4700 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct
46	Correct	1 ms	2396 KB	Output is correct
47	Correct	2 ms	2396 KB	Output is correct
48	Correct	0 ms	2396 KB	Output is correct
49	Correct	0 ms	2396 KB	Output is correct
50	Correct	1 ms	2396 KB	Output is correct
51	Correct	42 ms	4720 KB	Output is correct
52	Correct	27 ms	4700 KB	Output is correct
53	Correct	21 ms	4696 KB	Output is correct
54	Correct	26 ms	4696 KB	Output is correct
55	Correct	62 ms	4720 KB	Output is correct
56	Correct	11 ms	4696 KB	Output is correct
57	Correct	86 ms	5204 KB	Output is correct
58	Correct	83 ms	5140 KB	Output is correct
59	Correct	86 ms	5132 KB	Output is correct
60	Correct	107 ms	4952 KB	Output is correct
61	Correct	184 ms	5132 KB	Output is correct
62	Correct	97 ms	4956 KB	Output is correct
63	Correct	203 ms	4956 KB	Output is correct
64	Correct	91 ms	5136 KB	Output is correct
65	Correct	1 ms	2392 KB	Output is correct
66	Correct	26 ms	4956 KB	Output is correct
67	Correct	87 ms	4948 KB	Output is correct
68	Correct	80 ms	5272 KB	Output is correct
69	Correct	21 ms	4696 KB	Output is correct
70	Correct	5 ms	2396 KB	Output is correct
71	Correct	1 ms	2396 KB	Output is correct
72	Correct	28 ms	4752 KB	Output is correct
73	Correct	6 ms	2404 KB	Output is correct
74	Correct	1 ms	2396 KB	Output is correct
75	Correct	87 ms	5128 KB	Output is correct
76	Correct	97 ms	5132 KB	Output is correct
77	Correct	106 ms	4956 KB	Output is correct
78	Correct	135 ms	5204 KB	Output is correct
79	Correct	198 ms	4956 KB	Output is correct
80	Correct	193 ms	5320 KB	Output is correct
81	Correct	195 ms	5132 KB	Output is correct
82	Correct	191 ms	5132 KB	Output is correct

답안 #921494

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 25.0 / 25.0

Subtask #3 27.0 / 27.0

Subtask #4 29.0 / 29.0

Subtask #5 9.0 / 9.0

Subtask #1
10.0 / 10.0

Subtask #2
25.0 / 25.0

Subtask #3
27.0 / 27.0

Subtask #4
29.0 / 29.0

Subtask #5
9.0 / 9.0