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Submission #695202

# Submission time Handle Problem Language Result Execution time Memory
695202 2023-02-04T19:22:03 Z NeroZein Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 207 ms 262144 KB 
#include <bits/stdc++.h>
#define int long long 
using namespace std; 

const int M = 300004;

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

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();
    assert(src.second < M);
    pq.pop();
    if (cost[src.second] != src.first) {
      continue;
    }
    if (src.second == b[1]) {
      ans = min(ans, src.first);
    }
    for (auto [u, w] : g[src.second]) {
      assert(u < M);
      if (cost[u] == -1 || cost[u] > src.first + w) {
        cost[u] = src.first + w;
        pq.emplace(cost[u], u);
      }
    }
  }
}

signed main() {
  ans = LLONG_MAX;
  cin >> n >> m;
  for (int i = 0; i < m; ++i) {
    cin >> b[i] >> p[i];
    assert(b[i] < M);
    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 == LLONG_MAX ? -1 : ans) << '\n';
  return 0; 
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 7 ms 9684 KB Output is correct
5 Correct 5 ms 9664 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 4 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 6 ms 9940 KB Output is correct
12 Correct 9 ms 12864 KB Output is correct
13 Correct 9 ms 12864 KB Output is correct
14 Correct 6 ms 9812 KB Output is correct
15 Correct 6 ms 9812 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 5 ms 9608 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 6 ms 9956 KB Output is correct
12 Correct 10 ms 12864 KB Output is correct
13 Correct 10 ms 12864 KB Output is correct
14 Correct 6 ms 9812 KB Output is correct
15 Correct 6 ms 9812 KB Output is correct
16 Correct 6 ms 9812 KB Output is correct
17 Correct 11 ms 10196 KB Output is correct
18 Correct 11 ms 9812 KB Output is correct
19 Correct 8 ms 9812 KB Output is correct
20 Correct 62 ms 73820 KB Output is correct
21 Correct 7 ms 9684 KB Output is correct
22 Correct 9 ms 9812 KB Output is correct
23 Correct 11 ms 9812 KB Output is correct
24 Correct 15 ms 10012 KB Output is correct
25 Correct 17 ms 9888 KB Output is correct
26 Correct 77 ms 73428 KB Output is correct
27 Correct 81 ms 73248 KB Output is correct
28 Correct 17 ms 10068 KB Output is correct
29 Correct 12 ms 11392 KB Output is correct
30 Correct 7 ms 10324 KB Output is correct
31 Correct 9 ms 10580 KB Output is correct
32 Correct 9 ms 10324 KB Output is correct
33 Correct 20 ms 12636 KB Output is correct
34 Correct 19 ms 12484 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9712 KB Output is correct
11 Correct 6 ms 9940 KB Output is correct
12 Correct 9 ms 12864 KB Output is correct
13 Correct 9 ms 12864 KB Output is correct
14 Correct 6 ms 9812 KB Output is correct
15 Correct 6 ms 9812 KB Output is correct
16 Correct 6 ms 9812 KB Output is correct
17 Correct 10 ms 10196 KB Output is correct
18 Correct 10 ms 9812 KB Output is correct
19 Correct 8 ms 9812 KB Output is correct
20 Correct 65 ms 73936 KB Output is correct
21 Correct 7 ms 9672 KB Output is correct
22 Correct 10 ms 9748 KB Output is correct
23 Correct 11 ms 9812 KB Output is correct
24 Correct 16 ms 9940 KB Output is correct
25 Correct 17 ms 9920 KB Output is correct
26 Correct 75 ms 73400 KB Output is correct
27 Correct 80 ms 73164 KB Output is correct
28 Correct 17 ms 10196 KB Output is correct
29 Correct 12 ms 11412 KB Output is correct
30 Correct 7 ms 10324 KB Output is correct
31 Correct 10 ms 10580 KB Output is correct
32 Correct 9 ms 10324 KB Output is correct
33 Correct 19 ms 12628 KB Output is correct
34 Correct 19 ms 12536 KB Output is correct
35 Correct 117 ms 13168 KB Output is correct
36 Correct 21 ms 10076 KB Output is correct
37 Correct 119 ms 16412 KB Output is correct
38 Correct 177 ms 15276 KB Output is correct
39 Correct 181 ms 15612 KB Output is correct
40 Correct 180 ms 15320 KB Output is correct
41 Correct 193 ms 15040 KB Output is correct
42 Runtime error 207 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 5 ms 9684 KB Output is correct
2 Correct 6 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 6 ms 9684 KB Output is correct
6 Correct 6 ms 9696 KB Output is correct
7 Correct 6 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 6 ms 9892 KB Output is correct
12 Correct 10 ms 12896 KB Output is correct
13 Correct 10 ms 12864 KB Output is correct
14 Correct 6 ms 9812 KB Output is correct
15 Correct 7 ms 9812 KB Output is correct
16 Correct 7 ms 9812 KB Output is correct
17 Correct 12 ms 10196 KB Output is correct
18 Correct 13 ms 9816 KB Output is correct
19 Correct 9 ms 9684 KB Output is correct
20 Correct 63 ms 73932 KB Output is correct
21 Correct 6 ms 9684 KB Output is correct
22 Correct 9 ms 9708 KB Output is correct
23 Correct 10 ms 9812 KB Output is correct
24 Correct 16 ms 9980 KB Output is correct
25 Correct 18 ms 9960 KB Output is correct
26 Correct 84 ms 73304 KB Output is correct
27 Correct 81 ms 73232 KB Output is correct
28 Correct 17 ms 10068 KB Output is correct
29 Correct 11 ms 11404 KB Output is correct
30 Correct 7 ms 10324 KB Output is correct
31 Correct 9 ms 10656 KB Output is correct
32 Correct 9 ms 10324 KB Output is correct
33 Correct 21 ms 12664 KB Output is correct
34 Correct 20 ms 12492 KB Output is correct
35 Correct 117 ms 13112 KB Output is correct
36 Correct 22 ms 10196 KB Output is correct
37 Correct 126 ms 16460 KB Output is correct
38 Correct 179 ms 15180 KB Output is correct
39 Correct 180 ms 15604 KB Output is correct
40 Correct 179 ms 15436 KB Output is correct
41 Correct 186 ms 15056 KB Output is correct
42 Runtime error 200 ms 262144 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -