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Submission #956385

# Submission time Handle Problem Language Result Execution time Memory
956385 2024-04-01T18:05:58 Z VMaksimoski008 Travelling Merchant (APIO17_merchant) C++14
100 / 100
 96 ms 1572 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int P[505][505], n, m, K, i, j, k;

int main() {
    cin >> n >> m >> K;

    vector<vector<ll> > M(n+1, vector<ll>(n+1, 1e16));
    int B[n+1][K], S[n+1][K];

    for(i=1; i<=n; i++)
        for(j=0; j<K; j++) cin >> B[i][j] >> S[i][j];

    for(i=0; i<m; i++) {
        int a, b, c;
        cin >> a >> b >> c;
        M[a][b] = min(M[a][b], 1ll * c);
    }

    for(k=1; k<=n; k++)
        for(i=1; i<=n; i++)
            for(j=1; j<=n; j++) M[i][j] = min(M[i][j], M[i][k] + M[k][j]);

    for(i=1; i<=n; i++)
        for(j=1; j<=n; j++)
            for(k=0; k<K; k++)
                if(S[j][k] != -1 && B[i][k] != -1) P[i][j] = max(P[i][j], S[j][k] - B[i][k]);

    ll l=1, r=1e9, ans=0;
    while(l <= r) {
        ll mid = (l + r) / 2;
        vector<vector<ll> > M2(n+1, vector<ll>(n+1, 1e16));
        for(i=1; i<=n; i++)
            for(j=1; j<=n; j++) if(M[i][j] < 1e16) M2[i][j] = mid * M[i][j] - P[i][j];

        for(k=1; k<=n; k++)
            for(i=1; i<=n; i++)
                for(j=1; j<=n; j++) M2[i][j] = min(M2[i][j], M2[i][k] + M2[k][j]);

        bool ok = 0;
        for(i=1; i<=n; i++)
            if(M2[i][i] <= 0) ok = 1;

        if(ok) ans = mid, l = mid + 1;
        else r = mid - 1;
    }

    cout << ans << '\n';
    return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 1364 KB Output is correct
2 Correct 26 ms 604 KB Output is correct
3 Correct 27 ms 600 KB Output is correct
4 Correct 4 ms 348 KB Output is correct
5 Correct 3 ms 348 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 5 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 3 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 4 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 4 ms 348 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 348 KB Output is correct
2 Correct 5 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 348 KB Output is correct
5 Correct 4 ms 348 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 4 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 5 ms 348 KB Output is correct
12 Correct 4 ms 348 KB Output is correct
13 Correct 5 ms 600 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 4 ms 348 KB Output is correct
16 Correct 4 ms 348 KB Output is correct
17 Correct 4 ms 348 KB Output is correct
18 Correct 4 ms 348 KB Output is correct
19 Correct 5 ms 596 KB Output is correct
20 Correct 5 ms 348 KB Output is correct
21 Correct 4 ms 348 KB Output is correct
22 Correct 4 ms 348 KB Output is correct
23 Correct 6 ms 348 KB Output is correct
24 Correct 4 ms 348 KB Output is correct
25 Correct 5 ms 596 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 5 ms 480 KB Output is correct
28 Correct 5 ms 348 KB Output is correct
29 Correct 5 ms 528 KB Output is correct
30 Correct 4 ms 348 KB Output is correct
31 Correct 5 ms 600 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 596 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 5 ms 480 KB Output is correct
4 Correct 5 ms 348 KB Output is correct
5 Correct 5 ms 528 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 5 ms 600 KB Output is correct
8 Correct 32 ms 876 KB Output is correct
9 Correct 93 ms 1360 KB Output is correct
10 Correct 30 ms 600 KB Output is correct
11 Correct 33 ms 860 KB Output is correct
12 Correct 33 ms 860 KB Output is correct
13 Correct 32 ms 852 KB Output is correct

Subtask #4
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 348 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 5 ms 348 KB Output is correct
4 Correct 4 ms 348 KB Output is correct
5 Correct 5 ms 600 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 4 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 5 ms 596 KB Output is correct
12 Correct 5 ms 348 KB Output is correct
13 Correct 4 ms 348 KB Output is correct
14 Correct 4 ms 348 KB Output is correct
15 Correct 6 ms 348 KB Output is correct
16 Correct 4 ms 348 KB Output is correct
17 Correct 32 ms 876 KB Output is correct
18 Correct 93 ms 1360 KB Output is correct
19 Correct 30 ms 600 KB Output is correct
20 Correct 33 ms 860 KB Output is correct
21 Correct 33 ms 860 KB Output is correct
22 Correct 32 ms 852 KB Output is correct
23 Correct 5 ms 596 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 5 ms 480 KB Output is correct
26 Correct 5 ms 348 KB Output is correct
27 Correct 5 ms 528 KB Output is correct
28 Correct 4 ms 348 KB Output is correct
29 Correct 5 ms 600 KB Output is correct
30 Correct 74 ms 1364 KB Output is correct
31 Correct 26 ms 604 KB Output is correct
32 Correct 27 ms 600 KB Output is correct
33 Correct 4 ms 348 KB Output is correct
34 Correct 3 ms 348 KB Output is correct
35 Correct 4 ms 348 KB Output is correct
36 Correct 5 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 3 ms 348 KB Output is correct
39 Correct 4 ms 348 KB Output is correct
40 Correct 4 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 4 ms 348 KB Output is correct
43 Correct 28 ms 604 KB Output is correct
44 Correct 31 ms 852 KB Output is correct
45 Correct 54 ms 1408 KB Output is correct
46 Correct 30 ms 860 KB Output is correct
47 Correct 31 ms 880 KB Output is correct
48 Correct 31 ms 860 KB Output is correct
49 Correct 92 ms 1560 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 28 ms 676 KB Output is correct
53 Correct 32 ms 648 KB Output is correct
54 Correct 28 ms 604 KB Output is correct
55 Correct 28 ms 604 KB Output is correct
56 Correct 29 ms 600 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 7 ms 604 KB Output is correct
59 Correct 7 ms 604 KB Output is correct
60 Correct 7 ms 604 KB Output is correct
61 Correct 96 ms 1572 KB Output is correct
62 Correct 95 ms 1360 KB Output is correct
63 Correct 0 ms 348 KB Output is correct