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답안 #490786

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
490786 2021-11-29T08:30:34 Z hollwo_pelw Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 125 ms 65452 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 3e4 + 5;

int n, m, dis[N];
vector<pair<int, int>> adj[N];
set<int> doge[N];

int s = -1, t = -1;

signed main() {
    cin.tie(0), cout.tie(0) -> sync_with_stdio(0);
    
    cin >> n >> m;
    
    memset(dis, 0x3f, sizeof dis);
    
    for (int p, d; m --; ) {
        cin >> p >> d;
        if (s == -1) s = p;
        else if (t == -1) t = p;
        doge[p].insert(d);
    }
    
    for (int i = 0; i < n; i++) {
        for (auto d : doge[i]) {
            for (int j = i + d, w = 1; j <  n; j += d, w++) {
                // cout << i << ' ' << j << ' ' << w << '\n';
                adj[i].emplace_back(j, w);
                if (doge[j].count(d)) break ;
            }
            for (int j = i - d, w = 1; j >= 0; j -= d, w++) {
                // cout << i << ' ' << j << ' ' << w << '\n';
                adj[i].emplace_back(j, w);
                if (doge[j].count(d)) break ;
            }
        }
    }
    
    priority_queue<pair<int, int>> pq;
    pq.emplace(dis[s] = 0, s);
    
    while (!pq.empty()) {
        int d = -pq.top().first, u = pq.top().second; pq.pop();
        if (d != dis[u]) continue ;
        
        if (u == t)
            return cout << d, 0;
        
        for (auto [v, w] : adj[u]) {
            if (dis[v] > d + w)
                pq.emplace(-(dis[v] = d + w), v);
        }
    }
    
    cout << -1;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2508 KB Output is correct
2 Correct 1 ms 2508 KB Output is correct
3 Correct 1 ms 2508 KB Output is correct
4 Correct 1 ms 2508 KB Output is correct
5 Correct 1 ms 2508 KB Output is correct
6 Correct 1 ms 2508 KB Output is correct
7 Correct 1 ms 2508 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2508 KB Output is correct
2 Correct 2 ms 2508 KB Output is correct
3 Correct 1 ms 2508 KB Output is correct
4 Correct 1 ms 2508 KB Output is correct
5 Correct 1 ms 2508 KB Output is correct
6 Correct 1 ms 2508 KB Output is correct
7 Correct 1 ms 2508 KB Output is correct
8 Correct 1 ms 2508 KB Output is correct
9 Correct 1 ms 2508 KB Output is correct
10 Correct 1 ms 2508 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2508 KB Output is correct
13 Correct 2 ms 2508 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2508 KB Output is correct
2 Correct 1 ms 2508 KB Output is correct
3 Correct 1 ms 2508 KB Output is correct
4 Correct 1 ms 2508 KB Output is correct
5 Correct 1 ms 2508 KB Output is correct
6 Correct 2 ms 2508 KB Output is correct
7 Correct 2 ms 2560 KB Output is correct
8 Correct 1 ms 2508 KB Output is correct
9 Correct 1 ms 2508 KB Output is correct
10 Correct 1 ms 2508 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 1 ms 2508 KB Output is correct
13 Correct 2 ms 2508 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2508 KB Output is correct
17 Correct 2 ms 2768 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2508 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2604 KB Output is correct
22 Correct 1 ms 2640 KB Output is correct
23 Correct 2 ms 2616 KB Output is correct
24 Correct 2 ms 2768 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct
26 Correct 2 ms 2640 KB Output is correct
27 Correct 2 ms 2636 KB Output is correct
28 Correct 3 ms 2764 KB Output is correct
29 Correct 3 ms 3276 KB Output is correct
30 Correct 2 ms 2764 KB Output is correct
31 Correct 3 ms 2892 KB Output is correct
32 Correct 3 ms 2892 KB Output is correct
33 Correct 4 ms 3860 KB Output is correct
34 Correct 4 ms 3916 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2508 KB Output is correct
2 Correct 1 ms 2508 KB Output is correct
3 Correct 1 ms 2508 KB Output is correct
4 Correct 1 ms 2508 KB Output is correct
5 Correct 1 ms 2508 KB Output is correct
6 Correct 1 ms 2512 KB Output is correct
7 Correct 1 ms 2508 KB Output is correct
8 Correct 1 ms 2508 KB Output is correct
9 Correct 1 ms 2508 KB Output is correct
10 Correct 1 ms 2508 KB Output is correct
11 Correct 3 ms 2568 KB Output is correct
12 Correct 2 ms 2508 KB Output is correct
13 Correct 1 ms 2508 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2508 KB Output is correct
17 Correct 2 ms 2764 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2508 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2508 KB Output is correct
22 Correct 1 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 3 ms 2764 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct
26 Correct 2 ms 2636 KB Output is correct
27 Correct 2 ms 2636 KB Output is correct
28 Correct 2 ms 2764 KB Output is correct
29 Correct 3 ms 3276 KB Output is correct
30 Correct 2 ms 2764 KB Output is correct
31 Correct 2 ms 2892 KB Output is correct
32 Correct 2 ms 2892 KB Output is correct
33 Correct 4 ms 3916 KB Output is correct
34 Correct 4 ms 3916 KB Output is correct
35 Correct 14 ms 4660 KB Output is correct
36 Correct 3 ms 2896 KB Output is correct
37 Correct 15 ms 5456 KB Output is correct
38 Correct 19 ms 5656 KB Output is correct
39 Correct 18 ms 5604 KB Output is correct
40 Correct 20 ms 5644 KB Output is correct
41 Correct 18 ms 5592 KB Output is correct
42 Correct 5 ms 2640 KB Output is correct
43 Correct 5 ms 2640 KB Output is correct
44 Correct 5 ms 2636 KB Output is correct
45 Correct 19 ms 8276 KB Output is correct
46 Correct 18 ms 8276 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2508 KB Output is correct
2 Correct 1 ms 2508 KB Output is correct
3 Correct 1 ms 2508 KB Output is correct
4 Correct 1 ms 2508 KB Output is correct
5 Correct 1 ms 2508 KB Output is correct
6 Correct 1 ms 2508 KB Output is correct
7 Correct 1 ms 2508 KB Output is correct
8 Correct 1 ms 2508 KB Output is correct
9 Correct 2 ms 2508 KB Output is correct
10 Correct 2 ms 2508 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2508 KB Output is correct
13 Correct 2 ms 2508 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2640 KB Output is correct
16 Correct 2 ms 2516 KB Output is correct
17 Correct 3 ms 2768 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2512 KB Output is correct
20 Correct 2 ms 2640 KB Output is correct
21 Correct 2 ms 2520 KB Output is correct
22 Correct 2 ms 2640 KB Output is correct
23 Correct 2 ms 2640 KB Output is correct
24 Correct 3 ms 2764 KB Output is correct
25 Correct 2 ms 2640 KB Output is correct
26 Correct 2 ms 2640 KB Output is correct
27 Correct 2 ms 2596 KB Output is correct
28 Correct 2 ms 2764 KB Output is correct
29 Correct 3 ms 3284 KB Output is correct
30 Correct 2 ms 2772 KB Output is correct
31 Correct 3 ms 2896 KB Output is correct
32 Correct 3 ms 2896 KB Output is correct
33 Correct 5 ms 3916 KB Output is correct
34 Correct 4 ms 3956 KB Output is correct
35 Correct 14 ms 4792 KB Output is correct
36 Correct 3 ms 2904 KB Output is correct
37 Correct 15 ms 5444 KB Output is correct
38 Correct 19 ms 5724 KB Output is correct
39 Correct 20 ms 5580 KB Output is correct
40 Correct 21 ms 5644 KB Output is correct
41 Correct 20 ms 5612 KB Output is correct
42 Correct 5 ms 2648 KB Output is correct
43 Correct 5 ms 2644 KB Output is correct
44 Correct 5 ms 2640 KB Output is correct
45 Correct 19 ms 8224 KB Output is correct
46 Correct 19 ms 8308 KB Output is correct
47 Correct 34 ms 12604 KB Output is correct
48 Correct 14 ms 5972 KB Output is correct
49 Correct 11 ms 4948 KB Output is correct
50 Correct 9 ms 4688 KB Output is correct
51 Correct 24 ms 7996 KB Output is correct
52 Correct 27 ms 8400 KB Output is correct
53 Correct 13 ms 4944 KB Output is correct
54 Correct 3 ms 3032 KB Output is correct
55 Correct 3 ms 3408 KB Output is correct
56 Correct 10 ms 4896 KB Output is correct
57 Correct 11 ms 11340 KB Output is correct
58 Correct 8 ms 3524 KB Output is correct
59 Correct 8 ms 4040 KB Output is correct
60 Correct 8 ms 4480 KB Output is correct
61 Correct 8 ms 3944 KB Output is correct
62 Correct 18 ms 8952 KB Output is correct
63 Correct 47 ms 25400 KB Output is correct
64 Correct 52 ms 28432 KB Output is correct
65 Correct 64 ms 38332 KB Output is correct
66 Correct 125 ms 65404 KB Output is correct
67 Correct 99 ms 65452 KB Output is correct