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Submission #695187

# Submission time Handle Problem Language Result Execution time Memory
695187 2023-02-04T19:13:09 Z NeroZein Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 255 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std; 

const int N = 2003;
const int M = 30004;

int n, m;
int ans;
int b[M];
int p[M];
int cost[N];
vector<pair<int, int>> g[N];

inline void dij() {
  memset(cost, -1, sizeof cost);
  cost[b[0]] = 0; 
  priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int >>> pq; 
  pq.emplace(0, b[0]);
  while (!pq.empty()) {
    auto src = pq.top();
    pq.pop();
    if (cost[src.second] != src.first) {
      continue;
    }
    // cout << src.first << ' ' << src.second << '\n';
    if (src.second == b[1]) {
      ans = min(ans, src.first);
    }
    for (auto [u, w] : g[src.second]) {
      if (cost[u] == -1 || cost[u] > src.first + w) {
        cost[u] = src.first + w;
        pq.emplace(cost[u], u);
      }
    }
  }
}

signed main() {
  ans = INT_MAX;
  cin >> n >> m;
  for (int i = 0; i < m; ++i) {
    cin >> b[i] >> p[i];
    for (int j = 1; j < N; ++j) {
      int r = b[i] + j * p[i];
      int l = b[i] - j * p[i];
      if (l >= 0){ 
        g[b[i]].emplace_back(l, j);
      }
      if (r < n) {
        g[b[i]].emplace_back(r, j); 
      }
    }
  }
  dij();
  cout << (ans == INT_MAX ? -1 : ans) << '\n';
  return 0; 
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 11 ms 380 KB Output is correct
12 Correct 13 ms 2504 KB Output is correct
13 Correct 15 ms 2504 KB Output is correct
14 Correct 12 ms 420 KB Output is correct
15 Correct 11 ms 408 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 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 2 ms 340 KB Output is correct
11 Correct 11 ms 432 KB Output is correct
12 Correct 14 ms 2504 KB Output is correct
13 Correct 14 ms 2500 KB Output is correct
14 Correct 12 ms 428 KB Output is correct
15 Correct 11 ms 412 KB Output is correct
16 Correct 5 ms 340 KB Output is correct
17 Correct 11 ms 528 KB Output is correct
18 Correct 6 ms 340 KB Output is correct
19 Correct 3 ms 340 KB Output is correct
20 Correct 46 ms 32368 KB Output is correct
21 Correct 8 ms 388 KB Output is correct
22 Correct 5 ms 392 KB Output is correct
23 Correct 6 ms 340 KB Output is correct
24 Correct 12 ms 536 KB Output is correct
25 Correct 12 ms 440 KB Output is correct
26 Correct 51 ms 33360 KB Output is correct
27 Correct 53 ms 33332 KB Output is correct
28 Correct 14 ms 536 KB Output is correct
29 Correct 6 ms 1236 KB Output is correct
30 Correct 6 ms 596 KB Output is correct
31 Correct 5 ms 852 KB Output is correct
32 Correct 4 ms 596 KB Output is correct
33 Correct 17 ms 1812 KB Output is correct
34 Correct 14 ms 1876 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 14 ms 396 KB Output is correct
12 Correct 18 ms 2504 KB Output is correct
13 Correct 14 ms 2560 KB Output is correct
14 Correct 12 ms 340 KB Output is correct
15 Correct 13 ms 400 KB Output is correct
16 Correct 5 ms 340 KB Output is correct
17 Correct 13 ms 596 KB Output is correct
18 Correct 6 ms 340 KB Output is correct
19 Correct 4 ms 340 KB Output is correct
20 Correct 46 ms 32460 KB Output is correct
21 Correct 7 ms 340 KB Output is correct
22 Correct 5 ms 340 KB Output is correct
23 Correct 6 ms 340 KB Output is correct
24 Correct 13 ms 468 KB Output is correct
25 Correct 12 ms 432 KB Output is correct
26 Correct 53 ms 33396 KB Output is correct
27 Correct 52 ms 33272 KB Output is correct
28 Correct 13 ms 568 KB Output is correct
29 Correct 6 ms 1236 KB Output is correct
30 Correct 2 ms 596 KB Output is correct
31 Correct 5 ms 852 KB Output is correct
32 Correct 4 ms 596 KB Output is correct
33 Correct 14 ms 1876 KB Output is correct
34 Correct 15 ms 1824 KB Output is correct
35 Correct 157 ms 2024 KB Output is correct
36 Correct 29 ms 588 KB Output is correct
37 Correct 119 ms 3780 KB Output is correct
38 Correct 198 ms 3088 KB Output is correct
39 Correct 177 ms 3316 KB Output is correct
40 Correct 185 ms 3276 KB Output is correct
41 Correct 191 ms 3128 KB Output is correct
42 Runtime error 255 ms 262144 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 12 ms 468 KB Output is correct
12 Correct 14 ms 2504 KB Output is correct
13 Correct 14 ms 2504 KB Output is correct
14 Correct 12 ms 340 KB Output is correct
15 Correct 12 ms 428 KB Output is correct
16 Correct 5 ms 340 KB Output is correct
17 Correct 11 ms 608 KB Output is correct
18 Correct 6 ms 340 KB Output is correct
19 Correct 3 ms 340 KB Output is correct
20 Correct 46 ms 32428 KB Output is correct
21 Correct 7 ms 340 KB Output is correct
22 Correct 5 ms 380 KB Output is correct
23 Correct 6 ms 340 KB Output is correct
24 Correct 12 ms 504 KB Output is correct
25 Correct 12 ms 444 KB Output is correct
26 Correct 50 ms 33424 KB Output is correct
27 Correct 50 ms 33328 KB Output is correct
28 Correct 13 ms 596 KB Output is correct
29 Correct 6 ms 1236 KB Output is correct
30 Correct 2 ms 596 KB Output is correct
31 Correct 5 ms 860 KB Output is correct
32 Correct 5 ms 596 KB Output is correct
33 Correct 14 ms 1876 KB Output is correct
34 Correct 14 ms 1876 KB Output is correct
35 Correct 145 ms 2100 KB Output is correct
36 Correct 27 ms 532 KB Output is correct
37 Correct 112 ms 3816 KB Output is correct
38 Correct 170 ms 3192 KB Output is correct
39 Correct 171 ms 3332 KB Output is correct
40 Correct 172 ms 3200 KB Output is correct
41 Correct 170 ms 3044 KB Output is correct
42 Runtime error 248 ms 262144 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -