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Submission #355242

# Submission time Handle Problem Language Result Execution time Memory
355242 2021-01-22T10:34:35 Z Pety Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 55 ms 3948 KB 
#include <bits/stdc++.h>

using namespace std;

int n, m, dist[30002], poz;
set<int>s[30002];
bool viz[30002];

int main()
{
  cin >> n >> m;
  priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int> > > q;
  for (int i = 0; i < m; i++) {
    int b, p;
    cin >> b >> p;
    if (i == 1)
      poz = b;
    s[b].insert(p);
    if (i == 0)
      q.push({0, b});
  }
  for (int i = 0; i < n; i++)
    dist[i] = 1e9;
  dist[q.top().second] = 0;
  while (!q.empty()) {
    auto x = q.top();
    q.pop();
    if (dist[x.second] != x.first)
      continue;
    if (x.second == poz)
      break;
    for (auto it : s[x.second]) {
      for (int i = x.second+it; i < n; i += it) {
        if (s[i].size() && dist[i] > dist[x.second] + (i - x.second) / it) {
          dist[i] = dist[x.second] + (i - x.second) / it;
          q.push({dist[i], i});
        }
        if (s[i].count(it))
          break;
      }
      for (int i = x.second-it; i >= 0; i -= it) {
        if (s[i].size() && dist[i] > dist[x.second] + (x.second - i) / it) {
          dist[i] = dist[x.second] + (x.second - i) / it;
          q.push({dist[i], i});
        }
        if (s[i].count(it))
          break;
      }
    }
  }
  if (dist[poz] == 1e9)
    dist[poz] = -1;
  cout << dist[poz];
  return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 1 ms 1772 KB Output is correct
3 Correct 1 ms 1772 KB Output is correct
4 Correct 1 ms 1772 KB Output is correct
5 Correct 1 ms 1772 KB Output is correct
6 Correct 2 ms 1772 KB Output is correct
7 Correct 1 ms 1772 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 1 ms 1772 KB Output is correct
3 Correct 1 ms 1772 KB Output is correct
4 Correct 2 ms 1772 KB Output is correct
5 Correct 1 ms 1772 KB Output is correct
6 Correct 1 ms 1772 KB Output is correct
7 Correct 1 ms 1772 KB Output is correct
8 Correct 1 ms 1772 KB Output is correct
9 Correct 1 ms 1772 KB Output is correct
10 Correct 2 ms 1772 KB Output is correct
11 Correct 3 ms 1772 KB Output is correct
12 Correct 2 ms 1772 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 3 ms 1772 KB Output is correct
15 Correct 3 ms 1772 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 1 ms 1772 KB Output is correct
3 Correct 1 ms 1772 KB Output is correct
4 Correct 1 ms 1772 KB Output is correct
5 Correct 1 ms 1772 KB Output is correct
6 Correct 1 ms 1772 KB Output is correct
7 Correct 1 ms 1772 KB Output is correct
8 Correct 2 ms 1772 KB Output is correct
9 Correct 2 ms 1772 KB Output is correct
10 Correct 2 ms 1772 KB Output is correct
11 Correct 2 ms 1792 KB Output is correct
12 Correct 2 ms 1772 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 3 ms 1772 KB Output is correct
15 Correct 3 ms 1772 KB Output is correct
16 Correct 2 ms 1920 KB Output is correct
17 Correct 3 ms 1900 KB Output is correct
18 Correct 2 ms 1772 KB Output is correct
19 Correct 2 ms 1772 KB Output is correct
20 Correct 3 ms 1772 KB Output is correct
21 Correct 2 ms 1772 KB Output is correct
22 Correct 2 ms 1772 KB Output is correct
23 Correct 2 ms 1772 KB Output is correct
24 Correct 3 ms 1900 KB Output is correct
25 Correct 3 ms 1900 KB Output is correct
26 Correct 2 ms 1772 KB Output is correct
27 Correct 2 ms 1772 KB Output is correct
28 Correct 3 ms 1772 KB Output is correct
29 Correct 2 ms 1772 KB Output is correct
30 Correct 2 ms 1772 KB Output is correct
31 Correct 2 ms 1772 KB Output is correct
32 Correct 2 ms 1772 KB Output is correct
33 Correct 3 ms 1900 KB Output is correct
34 Correct 3 ms 1900 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 1 ms 1772 KB Output is correct
3 Correct 1 ms 1772 KB Output is correct
4 Correct 1 ms 1772 KB Output is correct
5 Correct 2 ms 1772 KB Output is correct
6 Correct 2 ms 1920 KB Output is correct
7 Correct 1 ms 1772 KB Output is correct
8 Correct 1 ms 1772 KB Output is correct
9 Correct 2 ms 1772 KB Output is correct
10 Correct 2 ms 1772 KB Output is correct
11 Correct 3 ms 1772 KB Output is correct
12 Correct 2 ms 1772 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 3 ms 1772 KB Output is correct
15 Correct 3 ms 1772 KB Output is correct
16 Correct 2 ms 1772 KB Output is correct
17 Correct 3 ms 1900 KB Output is correct
18 Correct 2 ms 1772 KB Output is correct
19 Correct 2 ms 1772 KB Output is correct
20 Correct 2 ms 1772 KB Output is correct
21 Correct 2 ms 1772 KB Output is correct
22 Correct 2 ms 1772 KB Output is correct
23 Correct 2 ms 1772 KB Output is correct
24 Correct 3 ms 1900 KB Output is correct
25 Correct 3 ms 1900 KB Output is correct
26 Correct 2 ms 1772 KB Output is correct
27 Correct 2 ms 1772 KB Output is correct
28 Correct 3 ms 1772 KB Output is correct
29 Correct 2 ms 1772 KB Output is correct
30 Correct 2 ms 1772 KB Output is correct
31 Correct 2 ms 1772 KB Output is correct
32 Correct 2 ms 1772 KB Output is correct
33 Correct 3 ms 1900 KB Output is correct
34 Correct 3 ms 1900 KB Output is correct
35 Correct 22 ms 3052 KB Output is correct
36 Correct 5 ms 2028 KB Output is correct
37 Correct 18 ms 2796 KB Output is correct
38 Correct 24 ms 3180 KB Output is correct
39 Correct 21 ms 3180 KB Output is correct
40 Correct 23 ms 3180 KB Output is correct
41 Correct 29 ms 3308 KB Output is correct
42 Correct 14 ms 1772 KB Output is correct
43 Correct 15 ms 1792 KB Output is correct
44 Correct 15 ms 1772 KB Output is correct
45 Correct 25 ms 3180 KB Output is correct
46 Correct 25 ms 3180 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 1 ms 1772 KB Output is correct
3 Correct 1 ms 1772 KB Output is correct
4 Correct 1 ms 1772 KB Output is correct
5 Correct 1 ms 1772 KB Output is correct
6 Correct 1 ms 1772 KB Output is correct
7 Correct 1 ms 1772 KB Output is correct
8 Correct 2 ms 1772 KB Output is correct
9 Correct 1 ms 1772 KB Output is correct
10 Correct 2 ms 1772 KB Output is correct
11 Correct 2 ms 1772 KB Output is correct
12 Correct 2 ms 1772 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 3 ms 1772 KB Output is correct
15 Correct 3 ms 1772 KB Output is correct
16 Correct 2 ms 1772 KB Output is correct
17 Correct 3 ms 1900 KB Output is correct
18 Correct 2 ms 1772 KB Output is correct
19 Correct 2 ms 1772 KB Output is correct
20 Correct 2 ms 1772 KB Output is correct
21 Correct 2 ms 1792 KB Output is correct
22 Correct 2 ms 1772 KB Output is correct
23 Correct 2 ms 1772 KB Output is correct
24 Correct 3 ms 1900 KB Output is correct
25 Correct 3 ms 1900 KB Output is correct
26 Correct 2 ms 1772 KB Output is correct
27 Correct 2 ms 1772 KB Output is correct
28 Correct 3 ms 1772 KB Output is correct
29 Correct 2 ms 1772 KB Output is correct
30 Correct 2 ms 1772 KB Output is correct
31 Correct 2 ms 1772 KB Output is correct
32 Correct 2 ms 1772 KB Output is correct
33 Correct 3 ms 1900 KB Output is correct
34 Correct 3 ms 1900 KB Output is correct
35 Correct 23 ms 3052 KB Output is correct
36 Correct 4 ms 2028 KB Output is correct
37 Correct 19 ms 2796 KB Output is correct
38 Correct 24 ms 3180 KB Output is correct
39 Correct 21 ms 3180 KB Output is correct
40 Correct 22 ms 3180 KB Output is correct
41 Correct 22 ms 3180 KB Output is correct
42 Correct 14 ms 1920 KB Output is correct
43 Correct 17 ms 1772 KB Output is correct
44 Correct 14 ms 1772 KB Output is correct
45 Correct 30 ms 3184 KB Output is correct
46 Correct 25 ms 3180 KB Output is correct
47 Correct 27 ms 3308 KB Output is correct
48 Correct 17 ms 2924 KB Output is correct
49 Correct 16 ms 2796 KB Output is correct
50 Correct 12 ms 2540 KB Output is correct
51 Correct 31 ms 3948 KB Output is correct
52 Correct 32 ms 3948 KB Output is correct
53 Correct 23 ms 3436 KB Output is correct
54 Correct 2 ms 1900 KB Output is correct
55 Correct 2 ms 1900 KB Output is correct
56 Correct 19 ms 3308 KB Output is correct
57 Correct 3 ms 2028 KB Output is correct
58 Correct 12 ms 1900 KB Output is correct
59 Correct 17 ms 2028 KB Output is correct
60 Correct 19 ms 2156 KB Output is correct
61 Correct 16 ms 2284 KB Output is correct
62 Correct 26 ms 3584 KB Output is correct
63 Correct 35 ms 3436 KB Output is correct
64 Correct 36 ms 3436 KB Output is correct
65 Correct 42 ms 3436 KB Output is correct
66 Correct 52 ms 3436 KB Output is correct
67 Correct 55 ms 3436 KB Output is correct