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Submission #878450

# Submission time Handle Problem Language Result Execution time Memory
878450 2023-11-24T11:30:02 Z nima_aryan Toll (BOI17_toll) C++14
100 / 100
 2132 ms 7948 KB 
#include <bits/stdc++.h>

using namespace std;

#pragma GCC optimize("O3,unroll-loops")

#ifdef LOCAL
#include "algo/debug.h"
#endif

using i64 = long long;

constexpr int inf = 1E9;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  int K, N, M, O;
  cin >> K >> N >> M >> O;

  vector<vector<pair<int, int>>> g(N);
  for (int i = 0; i < M; ++i) {
    int a, b;
    cin >> a >> b;
    int t;
    cin >> t;
    g[b].emplace_back(a, t);
  }

  while (O--) {
    int a, b;
    cin >> a >> b;

    if (a > b) {
      cout << -1 << "\n";
      continue;
    }

    vector<int> d(b - a + 1, inf);
    d[0] = 0;

    for (int u = a + 1; u <= b; ++u) {
      for (auto& [v, t] : g[u]) {
        if (v - a >= 0) {
          d[u - a] = min(d[u - a], d[v - a] + t);
        }
      }
    }

    cout << (d.back() < inf ? d.back() : -1) << "\n";
  }

  return 0;
}

Compilation message

toll.cpp: In function 'int main()':
toll.cpp:44:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   44 |       for (auto& [v, t] : g[u]) {
      |                  ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 767 ms 3640 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 472 KB Output is correct
8 Correct 781 ms 4336 KB Output is correct
9 Correct 761 ms 4284 KB Output is correct
10 Correct 238 ms 1884 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1470 ms 3656 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 20 ms 548 KB Output is correct
8 Correct 20 ms 604 KB Output is correct
9 Correct 1149 ms 3632 KB Output is correct
10 Correct 2132 ms 4592 KB Output is correct
11 Correct 1572 ms 3480 KB Output is correct
12 Correct 2079 ms 3324 KB Output is correct
13 Correct 541 ms 4256 KB Output is correct
14 Correct 383 ms 2980 KB Output is correct
15 Correct 438 ms 2600 KB Output is correct
16 Correct 450 ms 2816 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 21 ms 4188 KB Output is correct
11 Correct 40 ms 4824 KB Output is correct
12 Correct 43 ms 6408 KB Output is correct
13 Correct 47 ms 6992 KB Output is correct
14 Correct 42 ms 5712 KB Output is correct
15 Correct 27 ms 3668 KB Output is correct
16 Correct 26 ms 3668 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 21 ms 4188 KB Output is correct
11 Correct 40 ms 4824 KB Output is correct
12 Correct 43 ms 6408 KB Output is correct
13 Correct 47 ms 6992 KB Output is correct
14 Correct 42 ms 5712 KB Output is correct
15 Correct 27 ms 3668 KB Output is correct
16 Correct 26 ms 3668 KB Output is correct
17 Correct 333 ms 5196 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 600 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 5 ms 348 KB Output is correct
24 Correct 5 ms 600 KB Output is correct
25 Correct 8 ms 600 KB Output is correct
26 Correct 8 ms 604 KB Output is correct
27 Correct 231 ms 4264 KB Output is correct
28 Correct 444 ms 6512 KB Output is correct
29 Correct 439 ms 6992 KB Output is correct
30 Correct 492 ms 5748 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 767 ms 3640 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 472 KB Output is correct
8 Correct 781 ms 4336 KB Output is correct
9 Correct 761 ms 4284 KB Output is correct
10 Correct 238 ms 1884 KB Output is correct
11 Correct 1470 ms 3656 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 20 ms 548 KB Output is correct
18 Correct 20 ms 604 KB Output is correct
19 Correct 1149 ms 3632 KB Output is correct
20 Correct 2132 ms 4592 KB Output is correct
21 Correct 1572 ms 3480 KB Output is correct
22 Correct 2079 ms 3324 KB Output is correct
23 Correct 541 ms 4256 KB Output is correct
24 Correct 383 ms 2980 KB Output is correct
25 Correct 438 ms 2600 KB Output is correct
26 Correct 450 ms 2816 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 456 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 21 ms 4188 KB Output is correct
37 Correct 40 ms 4824 KB Output is correct
38 Correct 43 ms 6408 KB Output is correct
39 Correct 47 ms 6992 KB Output is correct
40 Correct 42 ms 5712 KB Output is correct
41 Correct 27 ms 3668 KB Output is correct
42 Correct 26 ms 3668 KB Output is correct
43 Correct 333 ms 5196 KB Output is correct
44 Correct 0 ms 344 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 600 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 5 ms 348 KB Output is correct
50 Correct 5 ms 600 KB Output is correct
51 Correct 8 ms 600 KB Output is correct
52 Correct 8 ms 604 KB Output is correct
53 Correct 231 ms 4264 KB Output is correct
54 Correct 444 ms 6512 KB Output is correct
55 Correct 439 ms 6992 KB Output is correct
56 Correct 492 ms 5748 KB Output is correct
57 Correct 1650 ms 7948 KB Output is correct
58 Correct 773 ms 4512 KB Output is correct
59 Correct 1082 ms 5340 KB Output is correct