답안 #787947

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
787947 2023-07-19T15:05:08 Z devariaota Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
614 ms 6088 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<bool> vis(n);
      vector<int> dis(n, 1e18);
      priority_queue<pair<int, int>> pq; 

      dis[st] = 0;
      pq.push({0, st});
      
      while(!pq.empty()){
            auto [w, u] = pq.top(); pq.pop();
            w *= -1;
            if(dis[u] < w) continue;

            if(u == ed){
                  cout << dis[u] << '\n';
                  return 0;
            }
            
            if(!vis[u]){
                  vis[u] = 1;

                  for(auto p : e[u]){
                        for(int i = 1; u + i * p < n; i++){
                              int v = u + i * p;
                              if(w + i < dis[v]){
                                    dis[v] = w + i;
                                    pq.push({-dis[v], v});
                              }
                        }

                        for(int i = 1; u - i * p >= 0; i++){
                              int v = u - i * p;
                              if(w + i < dis[v]){
                                    dis[v] = w + i;
                                    pq.push({-dis[v], v});
                              }
                        }
                  }
            }
      }

      cout << -1 << '\n';
}          
# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 320 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 320 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 328 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 320 KB Output is correct
5 Correct 0 ms 324 KB Output is correct
6 Correct 0 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 332 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 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 336 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 3 ms 468 KB Output is correct
21 Correct 1 ms 328 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 324 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 580 KB Output is correct
30 Correct 1 ms 596 KB Output is correct
31 Correct 1 ms 572 KB Output is correct
32 Correct 1 ms 596 KB Output is correct
33 Correct 2 ms 596 KB Output is correct
34 Correct 1 ms 712 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 0 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 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 1 ms 376 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 4 ms 528 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 340 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 596 KB Output is correct
30 Correct 1 ms 596 KB Output is correct
31 Correct 1 ms 596 KB Output is correct
32 Correct 1 ms 596 KB Output is correct
33 Correct 2 ms 580 KB Output is correct
34 Correct 2 ms 724 KB Output is correct
35 Correct 5 ms 972 KB Output is correct
36 Correct 1 ms 456 KB Output is correct
37 Correct 4 ms 980 KB Output is correct
38 Correct 5 ms 1236 KB Output is correct
39 Correct 4 ms 1108 KB Output is correct
40 Correct 5 ms 1236 KB Output is correct
41 Correct 5 ms 1236 KB Output is correct
42 Correct 4 ms 980 KB Output is correct
43 Correct 3 ms 852 KB Output is correct
44 Correct 42 ms 980 KB Output is correct
45 Correct 5 ms 1236 KB Output is correct
46 Correct 5 ms 1236 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 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 316 KB Output is correct
10 Correct 0 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 328 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 4 ms 472 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 320 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 2 ms 600 KB Output is correct
30 Correct 2 ms 520 KB Output is correct
31 Correct 1 ms 596 KB Output is correct
32 Correct 1 ms 596 KB Output is correct
33 Correct 2 ms 596 KB Output is correct
34 Correct 1 ms 712 KB Output is correct
35 Correct 4 ms 980 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 4 ms 1024 KB Output is correct
38 Correct 9 ms 1236 KB Output is correct
39 Correct 5 ms 1100 KB Output is correct
40 Correct 5 ms 1236 KB Output is correct
41 Correct 5 ms 1236 KB Output is correct
42 Correct 3 ms 980 KB Output is correct
43 Correct 3 ms 972 KB Output is correct
44 Correct 53 ms 980 KB Output is correct
45 Correct 6 ms 1236 KB Output is correct
46 Correct 5 ms 1224 KB Output is correct
47 Correct 7 ms 2500 KB Output is correct
48 Correct 5 ms 1748 KB Output is correct
49 Correct 7 ms 1748 KB Output is correct
50 Correct 3 ms 1664 KB Output is correct
51 Correct 12 ms 4428 KB Output is correct
52 Correct 12 ms 3280 KB Output is correct
53 Correct 6 ms 2520 KB Output is correct
54 Correct 3 ms 1620 KB Output is correct
55 Correct 2 ms 1620 KB Output is correct
56 Correct 614 ms 3032 KB Output is correct
57 Correct 3 ms 3528 KB Output is correct
58 Correct 567 ms 2008 KB Output is correct
59 Correct 6 ms 2136 KB Output is correct
60 Correct 6 ms 2016 KB Output is correct
61 Correct 6 ms 2124 KB Output is correct
62 Correct 7 ms 2508 KB Output is correct
63 Correct 19 ms 4100 KB Output is correct
64 Correct 18 ms 4048 KB Output is correct
65 Correct 20 ms 4040 KB Output is correct
66 Correct 29 ms 6088 KB Output is correct
67 Correct 21 ms 6088 KB Output is correct