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Submission #793500

# Submission time Handle Problem Language Result Execution time Memory
793500 2023-07-25T23:03:38 Z asdfgrace Toll (BOI17_toll) C++17
46 / 100
 3000 ms 4508 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
constexpr int INF = 1000000007; //998244353;

int main() {
  ios::sync_with_stdio(0); cin.tie(0);
  int k, n, m, q;
  cin >> k >> n >> m >> q;
  vector<vector<pair<int, int>>> edges(n);
  for (int i = 0; i < m; ++i) {
    int a, b, w;
    cin >> a >> b >> w;
    edges[a].push_back({b, w});
  }
  vector<int> best(n, INF);
  while (q--) {
    int a, b;
    cin >> a >> b;
    fill(best.begin() + a, best.begin() + b + 1, INF);
    best[a] = 0;
    for (int i = a; i < b; ++i) {
      for (auto [next, wt] : edges[i]) {
        best[next] = min(best[next], best[i] + wt);
      }
    }
    if (best[b] == INF) cout << -1 << '\n';
    else cout << best[b] << '\n';
  }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 583 ms 3400 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 461 ms 3276 KB Output is correct
9 Correct 544 ms 3208 KB Output is correct
10 Correct 129 ms 1708 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2005 ms 3400 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 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 10 ms 392 KB Output is correct
8 Correct 17 ms 440 KB Output is correct
9 Correct 762 ms 3388 KB Output is correct
10 Execution timed out 3069 ms 4288 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #3
8.0 / 8.0

# 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 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 17 ms 3156 KB Output is correct
11 Correct 38 ms 3236 KB Output is correct
12 Correct 62 ms 4124 KB Output is correct
13 Correct 59 ms 4428 KB Output is correct
14 Correct 54 ms 3736 KB Output is correct
15 Correct 37 ms 2388 KB Output is correct
16 Correct 33 ms 2316 KB Output is correct

Subtask #4
31.0 / 31.0

# 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 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 17 ms 3156 KB Output is correct
11 Correct 38 ms 3236 KB Output is correct
12 Correct 62 ms 4124 KB Output is correct
13 Correct 59 ms 4428 KB Output is correct
14 Correct 54 ms 3736 KB Output is correct
15 Correct 37 ms 2388 KB Output is correct
16 Correct 33 ms 2316 KB Output is correct
17 Correct 488 ms 3272 KB Output is correct
18 Correct 0 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 3 ms 340 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 9 ms 340 KB Output is correct
26 Correct 7 ms 424 KB Output is correct
27 Correct 186 ms 3252 KB Output is correct
28 Correct 862 ms 4176 KB Output is correct
29 Correct 776 ms 4508 KB Output is correct
30 Correct 697 ms 3772 KB Output is correct

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 583 ms 3400 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 461 ms 3276 KB Output is correct
9 Correct 544 ms 3208 KB Output is correct
10 Correct 129 ms 1708 KB Output is correct
11 Correct 2005 ms 3400 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 10 ms 392 KB Output is correct
18 Correct 17 ms 440 KB Output is correct
19 Correct 762 ms 3388 KB Output is correct
20 Execution timed out 3069 ms 4288 KB Time limit exceeded
21 Halted 0 ms 0 KB -