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Submission #783594

# Submission time Handle Problem Language Result Execution time Memory
783594 2023-07-15T04:39:25 Z cig32 Autobus (COCI22_autobus) C++17
70 / 70
 117 ms 9484 KB 
#include "bits/stdc++.h"
#define int long long
using namespace std;
const int MAXN = 1e5 + 10;
void solve(int tc) {
  int n;
  cin >> n;
  int m;
  cin >> m;
  int raw[n+1][n+1];
  for(int i=0; i<=n; i++) {
    for(int j=0; j<=n; j++) {
      raw[i][j] = (i==j ? 0 : 1e16);
    }
  }
  for(int i=1; i<=m; i++) {
    int a, b, t;
    cin >> a >> b >> t;
    raw[a][b] = min(raw[a][b], t);
  }
  int K, q; cin >> K >> q;
  K = min(K, n);
  int dp[K+1][n+1][n+1];
  for(int i=1; i<=n; i++) {
    for(int j=1; j<=n; j++) {
      dp[1][i][j] = raw[i][j];
    }
  }
  for(int i=2; i<=K; i++) {
    for(int j=1; j<=n; j++) {
      for(int k=1; k<=n; k++) {
        dp[i][j][k] = 1e16;
        for(int l=1; l<=n; l++) {
          dp[i][j][k] = min(min(dp[i][j][k], dp[i-1][j][k]), dp[i-1][j][l] + raw[l][k]);
        }
      }
    }
  }
  while(q--) {
    int c, d;
    cin >> c >> d;
    cout << (dp[K][c][d] == 1e16 ? -1 : dp[K][c][d]) << "\n";
  }
}
int32_t main() {
  ios::sync_with_stdio(0); cin.tie(0);
  int t=1; //cin >> t;
  for(int i=1; i<=t; i++) solve(i);
}
/*
4 7
1 2 1
1 4 10
2 3 1
2 4 5
3 2 2
3 4 1
4 3 2
2 3
1 4
4 2
3 3
*/

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 316 KB Output is correct
2 Correct 1 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 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 3 ms 596 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 316 KB Output is correct
2 Correct 1 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 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 13 ms 1364 KB Output is correct
8 Correct 34 ms 3020 KB Output is correct
9 Correct 3 ms 584 KB Output is correct
10 Correct 20 ms 1892 KB Output is correct
11 Correct 6 ms 844 KB Output is correct
12 Correct 24 ms 2232 KB Output is correct
13 Correct 72 ms 6608 KB Output is correct
14 Correct 72 ms 6732 KB Output is correct
15 Correct 99 ms 8776 KB Output is correct
16 Correct 80 ms 7244 KB Output is correct
17 Correct 76 ms 6736 KB Output is correct
18 Correct 73 ms 6608 KB Output is correct
19 Correct 104 ms 9288 KB Output is correct
20 Correct 89 ms 8112 KB Output is correct
21 Correct 92 ms 6732 KB Output is correct
22 Correct 78 ms 7116 KB Output is correct
23 Correct 78 ms 7132 KB Output is correct
24 Correct 114 ms 8008 KB Output is correct
25 Correct 75 ms 6860 KB Output is correct
26 Correct 80 ms 7368 KB Output is correct
27 Correct 84 ms 7632 KB Output is correct
28 Correct 91 ms 7492 KB Output is correct
29 Correct 74 ms 6596 KB Output is correct
30 Correct 78 ms 7064 KB Output is correct
31 Correct 89 ms 7892 KB Output is correct
32 Correct 105 ms 9164 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 316 KB Output is correct
2 Correct 1 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 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 3 ms 596 KB Output is correct
14 Correct 13 ms 1364 KB Output is correct
15 Correct 34 ms 3020 KB Output is correct
16 Correct 3 ms 584 KB Output is correct
17 Correct 20 ms 1892 KB Output is correct
18 Correct 6 ms 844 KB Output is correct
19 Correct 24 ms 2232 KB Output is correct
20 Correct 72 ms 6608 KB Output is correct
21 Correct 72 ms 6732 KB Output is correct
22 Correct 99 ms 8776 KB Output is correct
23 Correct 80 ms 7244 KB Output is correct
24 Correct 76 ms 6736 KB Output is correct
25 Correct 73 ms 6608 KB Output is correct
26 Correct 104 ms 9288 KB Output is correct
27 Correct 89 ms 8112 KB Output is correct
28 Correct 92 ms 6732 KB Output is correct
29 Correct 78 ms 7116 KB Output is correct
30 Correct 78 ms 7132 KB Output is correct
31 Correct 114 ms 8008 KB Output is correct
32 Correct 75 ms 6860 KB Output is correct
33 Correct 80 ms 7368 KB Output is correct
34 Correct 84 ms 7632 KB Output is correct
35 Correct 91 ms 7492 KB Output is correct
36 Correct 74 ms 6596 KB Output is correct
37 Correct 78 ms 7064 KB Output is correct
38 Correct 89 ms 7892 KB Output is correct
39 Correct 105 ms 9164 KB Output is correct
40 Correct 10 ms 1108 KB Output is correct
41 Correct 35 ms 3172 KB Output is correct
42 Correct 5 ms 724 KB Output is correct
43 Correct 36 ms 3184 KB Output is correct
44 Correct 6 ms 852 KB Output is correct
45 Correct 36 ms 3228 KB Output is correct
46 Correct 91 ms 6728 KB Output is correct
47 Correct 89 ms 7864 KB Output is correct
48 Correct 82 ms 7248 KB Output is correct
49 Correct 104 ms 9288 KB Output is correct
50 Correct 74 ms 6728 KB Output is correct
51 Correct 82 ms 7244 KB Output is correct
52 Correct 73 ms 6604 KB Output is correct
53 Correct 114 ms 9308 KB Output is correct
54 Correct 73 ms 6728 KB Output is correct
55 Correct 74 ms 6860 KB Output is correct
56 Correct 102 ms 9044 KB Output is correct
57 Correct 106 ms 9388 KB Output is correct
58 Correct 80 ms 6820 KB Output is correct
59 Correct 87 ms 7764 KB Output is correct
60 Correct 100 ms 8908 KB Output is correct
61 Correct 107 ms 9484 KB Output is correct
62 Correct 73 ms 6608 KB Output is correct
63 Correct 95 ms 7172 KB Output is correct
64 Correct 82 ms 7368 KB Output is correct
65 Correct 117 ms 9160 KB Output is correct