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Submission #540596

# Submission time Handle Problem Language Result Execution time Memory
540596 2022-03-21T06:15:39 Z AlperenT Autobus (COCI22_autobus) C++17
70 / 70
 170 ms 8308 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 70 + 5, INF = 1e9 + 5;

int n, m, a, b, c, k, q, dist[N][N][N];

int main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);

    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            for(int k = 0; k < N; k++){
                dist[i][j][k] = INF;
            }
        }
    }

    cin >> n >> m;

    for(int i = 1; i <= m; i++){
        cin >> a >> b >> c;

        dist[1][a][b] = min(dist[1][a][b], c);
    }

    for(int i = 1; i <= n; i++) dist[1][i][i] = 0;

    for(int i = 2; i <= n; i++){
        for(int a = 1; a <= n; a++){
            for(int b = 1; b <= n; b++){
                dist[i][a][b] = dist[i - 1][a][b];

                for(int v = 1; v <= n; v++){
                    dist[i][a][b] = min(dist[i][a][b], dist[i - 1][a][v] + dist[1][v][b]);
                }
            }
        }
    }

    cin >> k >> q;

    while(q--){
        cin >> a >> b;

        cout << (dist[min(n, k)][a][b] == INF ? -1 : dist[min(n, k)][a][b]) << "\n";
    }
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2016 KB Output is correct
2 Correct 1 ms 1976 KB Output is correct
3 Correct 2 ms 1976 KB Output is correct
4 Correct 2 ms 1972 KB Output is correct
5 Correct 2 ms 1976 KB Output is correct
6 Correct 2 ms 1876 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 2120 KB Output is correct
2 Correct 34 ms 2004 KB Output is correct
3 Correct 37 ms 2004 KB Output is correct
4 Correct 34 ms 1984 KB Output is correct
5 Correct 38 ms 2008 KB Output is correct
6 Correct 39 ms 2028 KB Output is correct
7 Correct 32 ms 2004 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2016 KB Output is correct
2 Correct 1 ms 1976 KB Output is correct
3 Correct 2 ms 1976 KB Output is correct
4 Correct 2 ms 1972 KB Output is correct
5 Correct 2 ms 1976 KB Output is correct
6 Correct 2 ms 1876 KB Output is correct
7 Correct 38 ms 2124 KB Output is correct
8 Correct 34 ms 2004 KB Output is correct
9 Correct 34 ms 2008 KB Output is correct
10 Correct 30 ms 2008 KB Output is correct
11 Correct 35 ms 2004 KB Output is correct
12 Correct 37 ms 2036 KB Output is correct
13 Correct 143 ms 8104 KB Output is correct
14 Correct 140 ms 8084 KB Output is correct
15 Correct 139 ms 8108 KB Output is correct
16 Correct 138 ms 8212 KB Output is correct
17 Correct 136 ms 8140 KB Output is correct
18 Correct 141 ms 8180 KB Output is correct
19 Correct 155 ms 8184 KB Output is correct
20 Correct 158 ms 8176 KB Output is correct
21 Correct 144 ms 8220 KB Output is correct
22 Correct 150 ms 8220 KB Output is correct
23 Correct 143 ms 8212 KB Output is correct
24 Correct 156 ms 8204 KB Output is correct
25 Correct 138 ms 8300 KB Output is correct
26 Correct 136 ms 8272 KB Output is correct
27 Correct 148 ms 8308 KB Output is correct
28 Correct 133 ms 8304 KB Output is correct
29 Correct 133 ms 7968 KB Output is correct
30 Correct 135 ms 7960 KB Output is correct
31 Correct 144 ms 8052 KB Output is correct
32 Correct 161 ms 7960 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2016 KB Output is correct
2 Correct 1 ms 1976 KB Output is correct
3 Correct 2 ms 1976 KB Output is correct
4 Correct 2 ms 1972 KB Output is correct
5 Correct 2 ms 1976 KB Output is correct
6 Correct 2 ms 1876 KB Output is correct
7 Correct 37 ms 2120 KB Output is correct
8 Correct 34 ms 2004 KB Output is correct
9 Correct 37 ms 2004 KB Output is correct
10 Correct 34 ms 1984 KB Output is correct
11 Correct 38 ms 2008 KB Output is correct
12 Correct 39 ms 2028 KB Output is correct
13 Correct 32 ms 2004 KB Output is correct
14 Correct 38 ms 2124 KB Output is correct
15 Correct 34 ms 2004 KB Output is correct
16 Correct 34 ms 2008 KB Output is correct
17 Correct 30 ms 2008 KB Output is correct
18 Correct 35 ms 2004 KB Output is correct
19 Correct 37 ms 2036 KB Output is correct
20 Correct 143 ms 8104 KB Output is correct
21 Correct 140 ms 8084 KB Output is correct
22 Correct 139 ms 8108 KB Output is correct
23 Correct 138 ms 8212 KB Output is correct
24 Correct 136 ms 8140 KB Output is correct
25 Correct 141 ms 8180 KB Output is correct
26 Correct 155 ms 8184 KB Output is correct
27 Correct 158 ms 8176 KB Output is correct
28 Correct 144 ms 8220 KB Output is correct
29 Correct 150 ms 8220 KB Output is correct
30 Correct 143 ms 8212 KB Output is correct
31 Correct 156 ms 8204 KB Output is correct
32 Correct 138 ms 8300 KB Output is correct
33 Correct 136 ms 8272 KB Output is correct
34 Correct 148 ms 8308 KB Output is correct
35 Correct 133 ms 8304 KB Output is correct
36 Correct 133 ms 7968 KB Output is correct
37 Correct 135 ms 7960 KB Output is correct
38 Correct 144 ms 8052 KB Output is correct
39 Correct 161 ms 7960 KB Output is correct
40 Correct 34 ms 1988 KB Output is correct
41 Correct 30 ms 2004 KB Output is correct
42 Correct 40 ms 2004 KB Output is correct
43 Correct 32 ms 2008 KB Output is correct
44 Correct 35 ms 2028 KB Output is correct
45 Correct 33 ms 2048 KB Output is correct
46 Correct 149 ms 8084 KB Output is correct
47 Correct 130 ms 8104 KB Output is correct
48 Correct 137 ms 8100 KB Output is correct
49 Correct 149 ms 8092 KB Output is correct
50 Correct 149 ms 8184 KB Output is correct
51 Correct 133 ms 8096 KB Output is correct
52 Correct 134 ms 8088 KB Output is correct
53 Correct 138 ms 8180 KB Output is correct
54 Correct 125 ms 8212 KB Output is correct
55 Correct 138 ms 8204 KB Output is correct
56 Correct 153 ms 8220 KB Output is correct
57 Correct 134 ms 8208 KB Output is correct
58 Correct 142 ms 8216 KB Output is correct
59 Correct 143 ms 8220 KB Output is correct
60 Correct 133 ms 8304 KB Output is correct
61 Correct 142 ms 8228 KB Output is correct
62 Correct 151 ms 7956 KB Output is correct
63 Correct 133 ms 7964 KB Output is correct
64 Correct 147 ms 8040 KB Output is correct
65 Correct 170 ms 7956 KB Output is correct