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Submission #895407

# Submission time Handle Problem Language Result Execution time Memory
895407 2023-12-29T21:46:09 Z juliany2 Self Study (JOI22_ho_t2) C++17
100 / 100
 272 ms 11592 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) (x).begin(), (x).end()

const int N = 3e5 + 7;
int n;
ll m, a[N], b[N];

int main() {
    cin.tie(0)->sync_with_stdio(false);

    cin >> n >> m;

    for (int i = 1; i <= n; i++)
        cin >> a[i];
    for (int i = 1; i <= n; i++)
        cin >> b[i];

    ll lo = 1, hi = 1e18;
    while (lo < hi) {
        ll mid = (lo + hi + 1) / 2;

        ll need = 0;
        for (int i = 1; i <= n; i++) {
            if (b[i] >= a[i])
                need += (mid + b[i] - 1) / b[i];
            else {
                ll take = min(m, (mid + a[i] - 1) / a[i]);
                need += take + (max(mid - take * a[i], 0LL) + b[i] - 1) / b[i];
            }

            if (need > m * n)
                break;
        }

        if (need <= m * n)
            lo = mid;
        else
            hi = mid - 1;
    }

    cout << lo << '\n';

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 0 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 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 2392 KB Output is correct
11 Correct 100 ms 4956 KB Output is correct
12 Correct 101 ms 5136 KB Output is correct
13 Correct 65 ms 4956 KB Output is correct
14 Correct 76 ms 5128 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 23 ms 6236 KB Output is correct
17 Correct 78 ms 11592 KB Output is correct
18 Correct 80 ms 10836 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 23 ms 6236 KB Output is correct
3 Correct 78 ms 11592 KB Output is correct
4 Correct 80 ms 10836 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 0 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 2392 KB Output is correct
11 Correct 0 ms 2392 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 43 ms 4728 KB Output is correct
14 Correct 32 ms 4700 KB Output is correct
15 Correct 21 ms 4700 KB Output is correct
16 Correct 18 ms 4700 KB Output is correct
17 Correct 1 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 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 2 ms 2620 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 0 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 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 2392 KB Output is correct
11 Correct 100 ms 4956 KB Output is correct
12 Correct 101 ms 5136 KB Output is correct
13 Correct 65 ms 4956 KB Output is correct
14 Correct 76 ms 5128 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 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 2392 KB Output is correct
21 Correct 0 ms 2392 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 43 ms 4728 KB Output is correct
24 Correct 32 ms 4700 KB Output is correct
25 Correct 21 ms 4700 KB Output is correct
26 Correct 18 ms 4700 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 2 ms 2620 KB Output is correct
34 Correct 1 ms 2392 KB Output is correct
35 Correct 23 ms 6236 KB Output is correct
36 Correct 78 ms 11592 KB Output is correct
37 Correct 80 ms 10836 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 1 ms 2396 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 1 ms 2392 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 3 ms 2652 KB Output is correct
46 Correct 4 ms 2652 KB Output is correct
47 Correct 1 ms 2528 KB Output is correct
48 Correct 19 ms 5720 KB Output is correct
49 Correct 1 ms 2392 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 3 ms 2648 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 52 ms 7408 KB Output is correct
56 Correct 26 ms 5980 KB Output is correct
57 Correct 28 ms 5980 KB Output is correct

Subtask #4
29.0 / 29.0

# 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 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 2392 KB Output is correct
7 Correct 0 ms 2392 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 43 ms 4728 KB Output is correct
10 Correct 32 ms 4700 KB Output is correct
11 Correct 21 ms 4700 KB Output is correct
12 Correct 18 ms 4700 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 2 ms 2620 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 23 ms 6236 KB Output is correct
22 Correct 78 ms 11592 KB Output is correct
23 Correct 80 ms 10836 KB Output is correct
24 Correct 26 ms 5620 KB Output is correct
25 Correct 62 ms 7260 KB Output is correct
26 Correct 11 ms 5212 KB Output is correct
27 Correct 82 ms 10760 KB Output is correct
28 Correct 83 ms 10832 KB Output is correct
29 Correct 86 ms 10832 KB Output is correct
30 Correct 107 ms 10832 KB Output is correct
31 Correct 179 ms 10836 KB Output is correct
32 Correct 103 ms 6304 KB Output is correct
33 Correct 207 ms 11580 KB Output is correct
34 Correct 101 ms 6224 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 0 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 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 2392 KB Output is correct
11 Correct 100 ms 4956 KB Output is correct
12 Correct 101 ms 5136 KB Output is correct
13 Correct 65 ms 4956 KB Output is correct
14 Correct 76 ms 5128 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 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 2392 KB Output is correct
21 Correct 0 ms 2392 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 43 ms 4728 KB Output is correct
24 Correct 32 ms 4700 KB Output is correct
25 Correct 21 ms 4700 KB Output is correct
26 Correct 18 ms 4700 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 2 ms 2620 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2392 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 3 ms 2652 KB Output is correct
42 Correct 4 ms 2652 KB Output is correct
43 Correct 1 ms 2528 KB Output is correct
44 Correct 19 ms 5720 KB Output is correct
45 Correct 1 ms 2392 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 3 ms 2648 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 52 ms 7408 KB Output is correct
52 Correct 26 ms 5980 KB Output is correct
53 Correct 28 ms 5980 KB Output is correct
54 Correct 26 ms 5620 KB Output is correct
55 Correct 62 ms 7260 KB Output is correct
56 Correct 11 ms 5212 KB Output is correct
57 Correct 82 ms 10760 KB Output is correct
58 Correct 83 ms 10832 KB Output is correct
59 Correct 86 ms 10832 KB Output is correct
60 Correct 107 ms 10832 KB Output is correct
61 Correct 179 ms 10836 KB Output is correct
62 Correct 103 ms 6304 KB Output is correct
63 Correct 207 ms 11580 KB Output is correct
64 Correct 101 ms 6224 KB Output is correct
65 Correct 1 ms 2392 KB Output is correct
66 Correct 23 ms 6236 KB Output is correct
67 Correct 78 ms 11592 KB Output is correct
68 Correct 80 ms 10836 KB Output is correct
69 Correct 23 ms 5372 KB Output is correct
70 Correct 7 ms 2648 KB Output is correct
71 Correct 1 ms 2392 KB Output is correct
72 Correct 34 ms 5468 KB Output is correct
73 Correct 7 ms 2652 KB Output is correct
74 Correct 1 ms 2524 KB Output is correct
75 Correct 107 ms 10840 KB Output is correct
76 Correct 121 ms 10888 KB Output is correct
77 Correct 132 ms 10940 KB Output is correct
78 Correct 166 ms 10944 KB Output is correct
79 Correct 231 ms 10836 KB Output is correct
80 Correct 234 ms 10944 KB Output is correct
81 Correct 194 ms 8948 KB Output is correct
82 Correct 272 ms 9144 KB Output is correct