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Submission #783329

# Submission time Handle Problem Language Result Execution time Memory
783329 2023-07-14T20:52:40 Z thimote75 Self Study (JOI22_ho_t2) C++14
100 / 100
 317 ms 11432 KB 
#include <bits/stdc++.h>
#define int long long

using namespace std;

using idata = vector<int>;

int N, M;

idata As, Bs;

int ceilDiv (int x, int y) {
    return (x + y - 1) / y;
}

int solve (int A, int B, int target) {
    if (A < B) A = B;

    if (A * M >= target)
        return M - ceilDiv(target, A);
    
    int local = target - A * M;

    return - ceilDiv(local, B);
}

bool check (int target) {
    int res = 0;
    for (int i = 0; i < N; i ++)  {
        res += solve(As[i], Bs[i], target);
        if (res < - M * N)
            return false;
    }
    
    return res >= 0;
}

signed main () {
    cin >> N >> M;

    if (N < 0) {
        N *= -1;
        int a, b;
        cin >> a >> b;
        As.resize(N, a);
        Bs.resize(N, b);
    } else {
        As.resize(N); Bs.resize(N);
        for (int i = 0; i < N; i ++) cin >> As[i];
        for (int i = 0; i < N; i ++) cin >> Bs[i];
    }

    int a = 0;
    int b = 2e18;
    while (b - a > 1) {
        int c = (a + b) >> 1;

        if (check(c)) a = c;
        else b = c;
    }

    cout << a << endl;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 197 ms 4984 KB Output is correct
12 Correct 201 ms 4984 KB Output is correct
13 Correct 183 ms 4984 KB Output is correct
14 Correct 143 ms 4980 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 71 ms 6124 KB Output is correct
17 Correct 273 ms 11364 KB Output is correct
18 Correct 205 ms 10728 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 71 ms 6124 KB Output is correct
3 Correct 273 ms 11364 KB Output is correct
4 Correct 205 ms 10728 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 101 ms 2644 KB Output is correct
14 Correct 67 ms 1748 KB Output is correct
15 Correct 53 ms 1460 KB Output is correct
16 Correct 41 ms 1236 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 6 ms 464 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 197 ms 4984 KB Output is correct
12 Correct 201 ms 4984 KB Output is correct
13 Correct 183 ms 4984 KB Output is correct
14 Correct 143 ms 4980 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 101 ms 2644 KB Output is correct
24 Correct 67 ms 1748 KB Output is correct
25 Correct 53 ms 1460 KB Output is correct
26 Correct 41 ms 1236 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 6 ms 464 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 71 ms 6124 KB Output is correct
36 Correct 273 ms 11364 KB Output is correct
37 Correct 205 ms 10728 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 296 KB Output is correct
45 Correct 4 ms 468 KB Output is correct
46 Correct 7 ms 596 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 35 ms 1992 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 4 ms 340 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 121 ms 5436 KB Output is correct
56 Correct 58 ms 3252 KB Output is correct
57 Correct 49 ms 3128 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 101 ms 2644 KB Output is correct
10 Correct 67 ms 1748 KB Output is correct
11 Correct 53 ms 1460 KB Output is correct
12 Correct 41 ms 1236 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 6 ms 464 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 71 ms 6124 KB Output is correct
22 Correct 273 ms 11364 KB Output is correct
23 Correct 205 ms 10728 KB Output is correct
24 Correct 50 ms 1824 KB Output is correct
25 Correct 115 ms 4992 KB Output is correct
26 Correct 23 ms 1296 KB Output is correct
27 Correct 203 ms 10776 KB Output is correct
28 Correct 209 ms 10740 KB Output is correct
29 Correct 206 ms 10700 KB Output is correct
30 Correct 237 ms 10736 KB Output is correct
31 Correct 308 ms 11004 KB Output is correct
32 Correct 138 ms 6092 KB Output is correct
33 Correct 278 ms 11432 KB Output is correct
34 Correct 132 ms 6152 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 197 ms 4984 KB Output is correct
12 Correct 201 ms 4984 KB Output is correct
13 Correct 183 ms 4984 KB Output is correct
14 Correct 143 ms 4980 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 101 ms 2644 KB Output is correct
24 Correct 67 ms 1748 KB Output is correct
25 Correct 53 ms 1460 KB Output is correct
26 Correct 41 ms 1236 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 6 ms 464 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 296 KB Output is correct
41 Correct 4 ms 468 KB Output is correct
42 Correct 7 ms 596 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 35 ms 1992 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 4 ms 340 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 121 ms 5436 KB Output is correct
52 Correct 58 ms 3252 KB Output is correct
53 Correct 49 ms 3128 KB Output is correct
54 Correct 50 ms 1824 KB Output is correct
55 Correct 115 ms 4992 KB Output is correct
56 Correct 23 ms 1296 KB Output is correct
57 Correct 203 ms 10776 KB Output is correct
58 Correct 209 ms 10740 KB Output is correct
59 Correct 206 ms 10700 KB Output is correct
60 Correct 237 ms 10736 KB Output is correct
61 Correct 308 ms 11004 KB Output is correct
62 Correct 138 ms 6092 KB Output is correct
63 Correct 278 ms 11432 KB Output is correct
64 Correct 132 ms 6152 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 71 ms 6124 KB Output is correct
67 Correct 273 ms 11364 KB Output is correct
68 Correct 205 ms 10728 KB Output is correct
69 Correct 31 ms 1444 KB Output is correct
70 Correct 8 ms 576 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 46 ms 1744 KB Output is correct
73 Correct 10 ms 596 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 206 ms 10724 KB Output is correct
76 Correct 216 ms 10788 KB Output is correct
77 Correct 226 ms 10728 KB Output is correct
78 Correct 260 ms 10700 KB Output is correct
79 Correct 310 ms 10784 KB Output is correct
80 Correct 317 ms 10784 KB Output is correct
81 Correct 221 ms 8692 KB Output is correct
82 Correct 189 ms 8680 KB Output is correct