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Submission #556170

# Submission time Handle Problem Language Result Execution time Memory
556170 2022-05-02T14:31:12 Z Sweezy Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 175 ms 5360 KB 
#include <bits/stdc++.h>
 
using namespace std;
// #define int long long
 
const int inf = 1e9;
 
void solve() {
  int n, m;
  cin >> n >> m;
  vector<set<int>> doges(n);
  vector<pair<int, int>> doge(m);
  for (auto &[b, p] : doge) {
    cin >> b >> p;
    doges[b].insert(p);
  }
 
  vector<int> d(n, inf);
  vector<int> p_a(n, -1);
  d[doge[0].first] = 0;
  set<pair<int, int>> st;
  st.insert({0, doge[0].first});
  while (!st.empty()) {
    int v = st.begin()->second;
    if (v == doge[1].first) {
      cout << d[v];
      return;
    }
    st.erase(st.begin());
    for (auto &p : doges[v]) {
      for (int mul = 1; v + p * mul < n; mul++) {
        int nd = d[v] + mul;
        int r = v + p * mul;
        if (nd < d[r]) {
          st.erase({d[r], r});
          d[r] = nd;
          p_a[r] = p;
          st.insert({d[r], r});
        } else if (p_a[r] == p) {
          break;
        }
      }
      for (int mul = 1; v - p * mul >= 0; mul++) {
        int nd = d[v] + mul;
        int l = v - p * mul;
        if (nd < d[l]) {
          st.erase({d[l], l});
          d[l] = nd;
          p_a[l] = p;
          st.insert({d[l], l});
        } else if (p_a[l] == p) {
          break;
        }
      }
    }
  }
 
  cout << -1;
}
 
signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  solve();
  return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 320 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 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 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 452 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 1 ms 324 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 2 ms 596 KB Output is correct
25 Correct 1 ms 596 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 464 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 5 ms 468 KB Output is correct
30 Correct 2 ms 468 KB Output is correct
31 Correct 2 ms 440 KB Output is correct
32 Correct 2 ms 448 KB Output is correct
33 Correct 6 ms 584 KB Output is correct
34 Correct 6 ms 596 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 456 KB Output is correct
15 Correct 2 ms 320 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 584 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 2 ms 596 KB Output is correct
25 Correct 1 ms 596 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 2 ms 468 KB Output is correct
31 Correct 3 ms 444 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 6 ms 596 KB Output is correct
34 Correct 6 ms 580 KB Output is correct
35 Correct 11 ms 1992 KB Output is correct
36 Correct 2 ms 596 KB Output is correct
37 Correct 8 ms 1620 KB Output is correct
38 Correct 13 ms 2380 KB Output is correct
39 Correct 10 ms 2260 KB Output is correct
40 Correct 11 ms 2384 KB Output is correct
41 Correct 12 ms 2388 KB Output is correct
42 Correct 4 ms 844 KB Output is correct
43 Correct 5 ms 844 KB Output is correct
44 Correct 5 ms 972 KB Output is correct
45 Correct 18 ms 2344 KB Output is correct
46 Correct 17 ms 2260 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 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 1 ms 212 KB Output is correct
7 Correct 1 ms 312 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 316 KB Output is correct
10 Correct 1 ms 320 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 452 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 2 ms 596 KB Output is correct
25 Correct 1 ms 596 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 4 ms 472 KB Output is correct
30 Correct 2 ms 456 KB Output is correct
31 Correct 3 ms 472 KB Output is correct
32 Correct 2 ms 452 KB Output is correct
33 Correct 6 ms 584 KB Output is correct
34 Correct 6 ms 596 KB Output is correct
35 Correct 11 ms 1996 KB Output is correct
36 Correct 2 ms 724 KB Output is correct
37 Correct 8 ms 1620 KB Output is correct
38 Correct 12 ms 2388 KB Output is correct
39 Correct 10 ms 2260 KB Output is correct
40 Correct 10 ms 2388 KB Output is correct
41 Correct 15 ms 2304 KB Output is correct
42 Correct 4 ms 836 KB Output is correct
43 Correct 5 ms 916 KB Output is correct
44 Correct 4 ms 980 KB Output is correct
45 Correct 18 ms 2376 KB Output is correct
46 Correct 17 ms 2380 KB Output is correct
47 Correct 25 ms 3028 KB Output is correct
48 Correct 7 ms 3028 KB Output is correct
49 Correct 7 ms 3028 KB Output is correct
50 Correct 5 ms 2764 KB Output is correct
51 Correct 45 ms 5360 KB Output is correct
52 Correct 42 ms 4976 KB Output is correct
53 Correct 13 ms 4672 KB Output is correct
54 Correct 5 ms 2644 KB Output is correct
55 Correct 7 ms 2620 KB Output is correct
56 Correct 16 ms 5204 KB Output is correct
57 Correct 20 ms 3412 KB Output is correct
58 Correct 14 ms 3024 KB Output is correct
59 Correct 10 ms 3128 KB Output is correct
60 Correct 11 ms 3028 KB Output is correct
61 Correct 11 ms 3284 KB Output is correct
62 Correct 12 ms 3920 KB Output is correct
63 Correct 70 ms 5204 KB Output is correct
64 Correct 76 ms 5112 KB Output is correct
65 Correct 91 ms 5252 KB Output is correct
66 Correct 175 ms 5232 KB Output is correct
67 Correct 168 ms 5220 KB Output is correct