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Submission #787883

# Submission time Handle Problem Language Result Execution time Memory
787883 2023-07-19T13:58:12 Z andecaandeci Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 95 ms 262144 KB 
#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
#define keish                             ios_base::sync_with_stdio(0);       cin.tie(0); cout.tie(0)
      
using namespace std;
const int mod = 1e9 + 7;

int n, m, b, p, st, ed;

signed main(){
      keish;
      cin >> n >> m;
      vector<vector<int>> e(n);
      for(int i = 0; i < m; i++){
            cin >> b >> p;
            e[b].push_back(p);
            if(i == 0) st = b;
            if(i == 1) ed = b;
      }

      vector<vector<int>> dis(n, vector<int>(2005, -1));
      queue<pair<int, int>> q;     
      for(auto x : e[st]){
            dis[st][x] = 0;  
            q.push({st, x});
      }
      
      while(!q.empty()){
            auto [u, d] = q.front(); q.pop();

            if(u == ed){
                  cout << dis[u][d] << '\n';
                  return 0;
            }
            
            if(u + d < n){
                  if(dis[u + d][d] == -1){
                        dis[u + d][d] = dis[u][d] + 1;
                        q.push({u + d, d});
                  }
                  for(auto v : e[u + d]){
                        if(dis[u + d][v] == -1){
                              dis[u + d][v] = dis[u][d] + 1;
                              q.push({u + d, v});
                        }
                  }
            }

            if(u - d >= 0){
                  if(dis[u - d][d] == -1){
                        dis[u - d][d] = dis[u][d] + 1;
                        q.push({u - d, d});
                  }
                  for(auto v : e[u - d]){
                        if(dis[u - d][v] == -1){
                              dis[u - d][v] = dis[u][d] + 1;
                              q.push({u - d, v});
                        }
                  }
            }
      }

      cout << -1 << '\n';
}

Subtask #1
10.0 / 10.0

# 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 1 ms 320 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 468 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 320 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 1236 KB Output is correct
10 Correct 1 ms 1876 KB Output is correct
11 Correct 1 ms 1876 KB Output is correct
12 Correct 1 ms 1876 KB Output is correct
13 Correct 1 ms 1876 KB Output is correct
14 Correct 1 ms 1876 KB Output is correct
15 Correct 1 ms 1876 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 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 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 1148 KB Output is correct
10 Correct 1 ms 1876 KB Output is correct
11 Correct 1 ms 1876 KB Output is correct
12 Correct 1 ms 1876 KB Output is correct
13 Correct 1 ms 1876 KB Output is correct
14 Correct 1 ms 1876 KB Output is correct
15 Correct 1 ms 1876 KB Output is correct
16 Correct 2 ms 3412 KB Output is correct
17 Correct 5 ms 11988 KB Output is correct
18 Correct 11 ms 27808 KB Output is correct
19 Correct 12 ms 31808 KB Output is correct
20 Correct 13 ms 31848 KB Output is correct
21 Correct 3 ms 6484 KB Output is correct
22 Correct 12 ms 28296 KB Output is correct
23 Correct 11 ms 25540 KB Output is correct
24 Correct 13 ms 30284 KB Output is correct
25 Correct 13 ms 31828 KB Output is correct
26 Correct 13 ms 31828 KB Output is correct
27 Correct 13 ms 31828 KB Output is correct
28 Correct 15 ms 31828 KB Output is correct
29 Correct 14 ms 31784 KB Output is correct
30 Correct 13 ms 31812 KB Output is correct
31 Correct 13 ms 31808 KB Output is correct
32 Correct 15 ms 31828 KB Output is correct
33 Correct 16 ms 31828 KB Output is correct
34 Correct 15 ms 31828 KB Output is correct

Subtask #4
21.0 / 21.0

# 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 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 1236 KB Output is correct
10 Correct 1 ms 1876 KB Output is correct
11 Correct 1 ms 1876 KB Output is correct
12 Correct 1 ms 1876 KB Output is correct
13 Correct 1 ms 1876 KB Output is correct
14 Correct 1 ms 1948 KB Output is correct
15 Correct 1 ms 1860 KB Output is correct
16 Correct 2 ms 3412 KB Output is correct
17 Correct 6 ms 11988 KB Output is correct
18 Correct 14 ms 27860 KB Output is correct
19 Correct 13 ms 31740 KB Output is correct
20 Correct 13 ms 31816 KB Output is correct
21 Correct 3 ms 6484 KB Output is correct
22 Correct 11 ms 28360 KB Output is correct
23 Correct 11 ms 25544 KB Output is correct
24 Correct 13 ms 30260 KB Output is correct
25 Correct 13 ms 31828 KB Output is correct
26 Correct 13 ms 31844 KB Output is correct
27 Correct 14 ms 31828 KB Output is correct
28 Correct 14 ms 31828 KB Output is correct
29 Correct 15 ms 31828 KB Output is correct
30 Correct 14 ms 31736 KB Output is correct
31 Correct 13 ms 31740 KB Output is correct
32 Correct 13 ms 31752 KB Output is correct
33 Correct 15 ms 31896 KB Output is correct
34 Correct 16 ms 31776 KB Output is correct
35 Correct 17 ms 23800 KB Output is correct
36 Correct 8 ms 17508 KB Output is correct
37 Correct 18 ms 31640 KB Output is correct
38 Correct 22 ms 32852 KB Output is correct
39 Correct 17 ms 32468 KB Output is correct
40 Correct 17 ms 32632 KB Output is correct
41 Correct 19 ms 32848 KB Output is correct
42 Correct 15 ms 32208 KB Output is correct
43 Correct 16 ms 32208 KB Output is correct
44 Correct 16 ms 32264 KB Output is correct
45 Correct 37 ms 32784 KB Output is correct
46 Correct 32 ms 32852 KB Output is correct

Subtask #5
0 / 43.0

# 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 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 1236 KB Output is correct
10 Correct 1 ms 1876 KB Output is correct
11 Correct 1 ms 1876 KB Output is correct
12 Correct 1 ms 1876 KB Output is correct
13 Correct 1 ms 1876 KB Output is correct
14 Correct 1 ms 1876 KB Output is correct
15 Correct 1 ms 1876 KB Output is correct
16 Correct 2 ms 3412 KB Output is correct
17 Correct 5 ms 11980 KB Output is correct
18 Correct 11 ms 27764 KB Output is correct
19 Correct 12 ms 31820 KB Output is correct
20 Correct 13 ms 31876 KB Output is correct
21 Correct 3 ms 6484 KB Output is correct
22 Correct 12 ms 28384 KB Output is correct
23 Correct 11 ms 25544 KB Output is correct
24 Correct 13 ms 30240 KB Output is correct
25 Correct 13 ms 31828 KB Output is correct
26 Correct 12 ms 31772 KB Output is correct
27 Correct 13 ms 31860 KB Output is correct
28 Correct 14 ms 31916 KB Output is correct
29 Correct 14 ms 31828 KB Output is correct
30 Correct 13 ms 31836 KB Output is correct
31 Correct 14 ms 31768 KB Output is correct
32 Correct 13 ms 31804 KB Output is correct
33 Correct 16 ms 31828 KB Output is correct
34 Correct 14 ms 31828 KB Output is correct
35 Correct 18 ms 23812 KB Output is correct
36 Correct 8 ms 17620 KB Output is correct
37 Correct 17 ms 31700 KB Output is correct
38 Correct 21 ms 32948 KB Output is correct
39 Correct 17 ms 32468 KB Output is correct
40 Correct 17 ms 32632 KB Output is correct
41 Correct 18 ms 32872 KB Output is correct
42 Correct 16 ms 32200 KB Output is correct
43 Correct 15 ms 32208 KB Output is correct
44 Correct 15 ms 32240 KB Output is correct
45 Correct 38 ms 32800 KB Output is correct
46 Correct 31 ms 32852 KB Output is correct
47 Correct 75 ms 195632 KB Output is correct
48 Runtime error 95 ms 262144 KB Execution killed with signal 9
49 Halted 0 ms 0 KB -