답안 #455699

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
455699 2021-08-06T02:27:16 Z Hamed5001 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
246 ms 67888 KB
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

const int mxN = 3e4+10, OO = INT_MAX;
int N, M;
set<int> doges[mxN];
vector<pair<int, int>> adj[mxN];

int dijkstra(int st, int en) {
	vector<int> dist(mxN, OO);
	priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
	pq.push({0, st});
	dist[st] = 0;

	while(pq.size()) {
		auto node = pq.top();
		pq.pop();

		if (node.first > dist[node.second])
			continue;

		for (auto it : adj[node.second]) {
			if (dist[it.second] > node.first + it.first) {
				dist[it.second] = node.first + it.first;
				pq.push({dist[it.second], it.second});
			}
		}
	}
	if (dist[en] == OO)
		dist[en] = -1;
	return dist[en];
}	

void solve() {
	cin >> N >> M;

	int stB, enB;
	for (int i = 0; i < M; i++) {
		int B, P;
		cin >> B >> P;
		if (!i) stB = B;
		if (!(i-1)) enB = B;
		doges[B].insert(P);
	}

	for (int i = 0; i < N; i++) {
		for (auto doge : doges[i]) {
			for (int to = i + doge, j = 1; to < N; to += doge, j++){
				adj[i].push_back({j, to});
				if (doges[to].count(doge)) break;
			}
			for (int to = i - doge, j = 1; to >= 0; to -= doge, j++){
				adj[i].push_back({j, to});
				if (doges[to].count(doge)) break;
			}
		}
	}
	cout << dijkstra(stB, enB);
}

int main() {

	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	solve();
}

Compilation message

skyscraper.cpp: In function 'void solve()':
skyscraper.cpp:60:27: warning: 'enB' may be used uninitialized in this function [-Wmaybe-uninitialized]
   60 |  cout << dijkstra(stB, enB);
      |                           ^
skyscraper.cpp:60:27: warning: 'stB' may be used uninitialized in this function [-Wmaybe-uninitialized]
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2508 KB Output is correct
2 Correct 2 ms 2508 KB Output is correct
3 Correct 2 ms 2508 KB Output is correct
4 Correct 2 ms 2508 KB Output is correct
5 Correct 2 ms 2508 KB Output is correct
6 Correct 2 ms 2508 KB Output is correct
7 Correct 2 ms 2508 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2508 KB Output is correct
2 Correct 2 ms 2560 KB Output is correct
3 Correct 2 ms 2548 KB Output is correct
4 Correct 2 ms 2508 KB Output is correct
5 Correct 2 ms 2508 KB Output is correct
6 Correct 2 ms 2516 KB Output is correct
7 Correct 2 ms 2508 KB Output is correct
8 Correct 2 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 3 ms 2508 KB Output is correct
13 Correct 2 ms 2508 KB Output is correct
14 Correct 3 ms 2636 KB Output is correct
15 Correct 3 ms 2680 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2508 KB Output is correct
2 Correct 2 ms 2508 KB Output is correct
3 Correct 2 ms 2508 KB Output is correct
4 Correct 2 ms 2540 KB Output is correct
5 Correct 2 ms 2508 KB Output is correct
6 Correct 2 ms 2508 KB Output is correct
7 Correct 2 ms 2508 KB Output is correct
8 Correct 2 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 4 ms 2636 KB Output is correct
12 Correct 3 ms 2572 KB Output is correct
13 Correct 2 ms 2508 KB Output is correct
14 Correct 3 ms 2636 KB Output is correct
15 Correct 4 ms 2636 KB Output is correct
16 Correct 2 ms 2508 KB Output is correct
17 Correct 4 ms 2764 KB Output is correct
18 Correct 3 ms 2636 KB Output is correct
19 Correct 2 ms 2508 KB Output is correct
20 Correct 3 ms 2636 KB Output is correct
21 Correct 2 ms 2508 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 3 ms 2636 KB Output is correct
24 Correct 3 ms 2764 KB Output is correct
25 Correct 4 ms 2764 KB Output is correct
26 Correct 3 ms 2636 KB Output is correct
27 Correct 2 ms 2636 KB Output is correct
28 Correct 3 ms 2764 KB Output is correct
29 Correct 5 ms 3396 KB Output is correct
30 Correct 3 ms 2764 KB Output is correct
31 Correct 3 ms 3020 KB Output is correct
32 Correct 4 ms 2784 KB Output is correct
33 Correct 9 ms 4044 KB Output is correct
34 Correct 10 ms 4044 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2508 KB Output is correct
2 Correct 3 ms 2560 KB Output is correct
3 Correct 2 ms 2508 KB Output is correct
4 Correct 2 ms 2508 KB Output is correct
5 Correct 2 ms 2508 KB Output is correct
6 Correct 2 ms 2508 KB Output is correct
7 Correct 2 ms 2508 KB Output is correct
8 Correct 2 ms 2552 KB Output is correct
9 Correct 3 ms 2560 KB Output is correct
10 Correct 3 ms 2508 KB Output is correct
11 Correct 4 ms 2636 KB Output is correct
12 Correct 3 ms 2508 KB Output is correct
13 Correct 6 ms 2508 KB Output is correct
14 Correct 4 ms 2636 KB Output is correct
15 Correct 4 ms 2636 KB Output is correct
16 Correct 3 ms 2508 KB Output is correct
17 Correct 3 ms 2764 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 3 ms 2604 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2508 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 3 ms 2636 KB Output is correct
24 Correct 4 ms 2888 KB Output is correct
25 Correct 4 ms 2764 KB Output is correct
26 Correct 3 ms 2636 KB Output is correct
27 Correct 3 ms 2636 KB Output is correct
28 Correct 3 ms 2764 KB Output is correct
29 Correct 6 ms 3404 KB Output is correct
30 Correct 3 ms 2764 KB Output is correct
31 Correct 3 ms 3020 KB Output is correct
32 Correct 3 ms 2892 KB Output is correct
33 Correct 8 ms 4044 KB Output is correct
34 Correct 7 ms 4044 KB Output is correct
35 Correct 22 ms 4684 KB Output is correct
36 Correct 4 ms 2892 KB Output is correct
37 Correct 19 ms 5492 KB Output is correct
38 Correct 27 ms 5728 KB Output is correct
39 Correct 24 ms 5708 KB Output is correct
40 Correct 27 ms 5688 KB Output is correct
41 Correct 29 ms 5616 KB Output is correct
42 Correct 8 ms 2764 KB Output is correct
43 Correct 8 ms 2824 KB Output is correct
44 Correct 8 ms 2892 KB Output is correct
45 Correct 27 ms 8636 KB Output is correct
46 Correct 32 ms 8680 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2508 KB Output is correct
2 Correct 2 ms 2508 KB Output is correct
3 Correct 2 ms 2508 KB Output is correct
4 Correct 2 ms 2508 KB Output is correct
5 Correct 2 ms 2508 KB Output is correct
6 Correct 2 ms 2508 KB Output is correct
7 Correct 2 ms 2508 KB Output is correct
8 Correct 2 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 3 ms 2636 KB Output is correct
12 Correct 2 ms 2508 KB Output is correct
13 Correct 2 ms 2488 KB Output is correct
14 Correct 3 ms 2636 KB Output is correct
15 Correct 3 ms 2636 KB Output is correct
16 Correct 2 ms 2508 KB Output is correct
17 Correct 4 ms 2764 KB Output is correct
18 Correct 3 ms 2636 KB Output is correct
19 Correct 3 ms 2508 KB Output is correct
20 Correct 3 ms 2636 KB Output is correct
21 Correct 2 ms 2508 KB Output is correct
22 Correct 2 ms 2632 KB Output is correct
23 Correct 3 ms 2636 KB Output is correct
24 Correct 4 ms 2764 KB Output is correct
25 Correct 3 ms 2764 KB Output is correct
26 Correct 2 ms 2636 KB Output is correct
27 Correct 3 ms 2636 KB Output is correct
28 Correct 3 ms 2764 KB Output is correct
29 Correct 5 ms 3404 KB Output is correct
30 Correct 3 ms 2764 KB Output is correct
31 Correct 4 ms 3020 KB Output is correct
32 Correct 3 ms 2892 KB Output is correct
33 Correct 8 ms 4044 KB Output is correct
34 Correct 9 ms 4044 KB Output is correct
35 Correct 24 ms 4640 KB Output is correct
36 Correct 4 ms 2892 KB Output is correct
37 Correct 19 ms 5520 KB Output is correct
38 Correct 23 ms 5708 KB Output is correct
39 Correct 28 ms 5688 KB Output is correct
40 Correct 24 ms 5608 KB Output is correct
41 Correct 23 ms 5636 KB Output is correct
42 Correct 7 ms 2764 KB Output is correct
43 Correct 9 ms 2824 KB Output is correct
44 Correct 8 ms 2892 KB Output is correct
45 Correct 28 ms 8608 KB Output is correct
46 Correct 27 ms 8648 KB Output is correct
47 Correct 57 ms 13028 KB Output is correct
48 Correct 19 ms 6216 KB Output is correct
49 Correct 18 ms 5252 KB Output is correct
50 Correct 14 ms 4808 KB Output is correct
51 Correct 65 ms 8152 KB Output is correct
52 Correct 51 ms 8640 KB Output is correct
53 Correct 33 ms 5684 KB Output is correct
54 Correct 4 ms 2924 KB Output is correct
55 Correct 6 ms 3400 KB Output is correct
56 Correct 17 ms 5116 KB Output is correct
57 Correct 41 ms 11612 KB Output is correct
58 Correct 11 ms 3652 KB Output is correct
59 Correct 12 ms 4100 KB Output is correct
60 Correct 16 ms 4680 KB Output is correct
61 Correct 16 ms 4172 KB Output is correct
62 Correct 38 ms 9280 KB Output is correct
63 Correct 93 ms 26552 KB Output is correct
64 Correct 97 ms 29756 KB Output is correct
65 Correct 122 ms 39492 KB Output is correct
66 Correct 246 ms 67700 KB Output is correct
67 Correct 242 ms 67888 KB Output is correct