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Submission #455698

# Submission time Handle Problem Language Result Execution time Memory
455698 2021-08-06T02:27:00 Z Hamed5001 Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 398 ms 262148 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

const int mxN = 3e4+10, OO = 0x3f3f3f3f;
int N, M;
vector<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});


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

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

		dist[node.second] = node.first;
		if (node.second == en)
			return node.first;

		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});
			}
		}
	}
	return -1;
}	

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].push_back(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 (count(doges[to].begin(), doges[to].end(), doge)) break;
			}
			for (int to = i - doge, j = 1; to >= 0; to -= doge, j++){
				adj[i].push_back({j, to});
				if (count(doges[to].begin(), doges[to].end(), 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:62:27: warning: 'enB' may be used uninitialized in this function [-Wmaybe-uninitialized]
   62 |  cout << dijkstra(stB, enB);
      |                           ^
skyscraper.cpp:62:27: warning: 'stB' may be used uninitialized in this function [-Wmaybe-uninitialized]

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1740 KB Output is correct
2 Correct 2 ms 1740 KB Output is correct
3 Correct 1 ms 1740 KB Output is correct
4 Correct 1 ms 1740 KB Output is correct
5 Correct 1 ms 1740 KB Output is correct
6 Correct 1 ms 1740 KB Output is correct
7 Correct 2 ms 1740 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1740 KB Output is correct
2 Correct 1 ms 1740 KB Output is correct
3 Correct 1 ms 1740 KB Output is correct
4 Correct 2 ms 1740 KB Output is correct
5 Correct 2 ms 1740 KB Output is correct
6 Correct 2 ms 1740 KB Output is correct
7 Correct 2 ms 1740 KB Output is correct
8 Correct 2 ms 1740 KB Output is correct
9 Correct 1 ms 1740 KB Output is correct
10 Correct 2 ms 1740 KB Output is correct
11 Correct 2 ms 1868 KB Output is correct
12 Correct 5 ms 3912 KB Output is correct
13 Correct 2 ms 1868 KB Output is correct
14 Correct 2 ms 1868 KB Output is correct
15 Correct 2 ms 1868 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1740 KB Output is correct
2 Correct 1 ms 1740 KB Output is correct
3 Correct 1 ms 1740 KB Output is correct
4 Correct 2 ms 1740 KB Output is correct
5 Correct 2 ms 1740 KB Output is correct
6 Correct 1 ms 1740 KB Output is correct
7 Correct 2 ms 1740 KB Output is correct
8 Correct 1 ms 1740 KB Output is correct
9 Correct 1 ms 1740 KB Output is correct
10 Correct 2 ms 1740 KB Output is correct
11 Correct 2 ms 1868 KB Output is correct
12 Correct 6 ms 3912 KB Output is correct
13 Correct 2 ms 1868 KB Output is correct
14 Correct 2 ms 1868 KB Output is correct
15 Correct 2 ms 1868 KB Output is correct
16 Correct 2 ms 1868 KB Output is correct
17 Correct 3 ms 1996 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 2 ms 1868 KB Output is correct
21 Correct 3 ms 1868 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct
23 Correct 2 ms 1868 KB Output is correct
24 Correct 3 ms 1996 KB Output is correct
25 Correct 2 ms 1868 KB Output is correct
26 Correct 70 ms 34672 KB Output is correct
27 Correct 67 ms 34628 KB Output is correct
28 Correct 2 ms 2124 KB Output is correct
29 Correct 4 ms 2508 KB Output is correct
30 Correct 3 ms 2124 KB Output is correct
31 Correct 4 ms 2252 KB Output is correct
32 Correct 3 ms 2124 KB Output is correct
33 Correct 6 ms 3148 KB Output is correct
34 Correct 5 ms 3148 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1740 KB Output is correct
2 Correct 1 ms 1740 KB Output is correct
3 Correct 1 ms 1740 KB Output is correct
4 Correct 2 ms 1740 KB Output is correct
5 Correct 1 ms 1792 KB Output is correct
6 Correct 1 ms 1740 KB Output is correct
7 Correct 1 ms 1740 KB Output is correct
8 Correct 2 ms 1792 KB Output is correct
9 Correct 1 ms 1740 KB Output is correct
10 Correct 2 ms 1920 KB Output is correct
11 Correct 3 ms 1868 KB Output is correct
12 Correct 7 ms 3912 KB Output is correct
13 Correct 2 ms 1920 KB Output is correct
14 Correct 3 ms 1920 KB Output is correct
15 Correct 3 ms 1868 KB Output is correct
16 Correct 2 ms 1868 KB Output is correct
17 Correct 3 ms 1996 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 2 ms 1868 KB Output is correct
21 Correct 2 ms 1868 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct
23 Correct 2 ms 1868 KB Output is correct
24 Correct 3 ms 1996 KB Output is correct
25 Correct 3 ms 1868 KB Output is correct
26 Correct 73 ms 34736 KB Output is correct
27 Correct 69 ms 34712 KB Output is correct
28 Correct 3 ms 2124 KB Output is correct
29 Correct 4 ms 2508 KB Output is correct
30 Correct 2 ms 2124 KB Output is correct
31 Correct 3 ms 2252 KB Output is correct
32 Correct 3 ms 2124 KB Output is correct
33 Correct 5 ms 3148 KB Output is correct
34 Correct 6 ms 3148 KB Output is correct
35 Correct 14 ms 3020 KB Output is correct
36 Correct 5 ms 2056 KB Output is correct
37 Correct 17 ms 4044 KB Output is correct
38 Correct 16 ms 3784 KB Output is correct
39 Correct 15 ms 3736 KB Output is correct
40 Correct 14 ms 3660 KB Output is correct
41 Correct 15 ms 3880 KB Output is correct
42 Runtime error 398 ms 262148 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1740 KB Output is correct
2 Correct 1 ms 1740 KB Output is correct
3 Correct 1 ms 1740 KB Output is correct
4 Correct 2 ms 1740 KB Output is correct
5 Correct 1 ms 1740 KB Output is correct
6 Correct 2 ms 1740 KB Output is correct
7 Correct 1 ms 1740 KB Output is correct
8 Correct 1 ms 1740 KB Output is correct
9 Correct 2 ms 1740 KB Output is correct
10 Correct 2 ms 1740 KB Output is correct
11 Correct 2 ms 1868 KB Output is correct
12 Correct 5 ms 3912 KB Output is correct
13 Correct 3 ms 1868 KB Output is correct
14 Correct 2 ms 1868 KB Output is correct
15 Correct 2 ms 1868 KB Output is correct
16 Correct 2 ms 1868 KB Output is correct
17 Correct 2 ms 1996 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 3 ms 1868 KB Output is correct
21 Correct 2 ms 1740 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct
23 Correct 4 ms 1868 KB Output is correct
24 Correct 3 ms 1996 KB Output is correct
25 Correct 3 ms 1868 KB Output is correct
26 Correct 72 ms 34656 KB Output is correct
27 Correct 67 ms 34700 KB Output is correct
28 Correct 3 ms 2124 KB Output is correct
29 Correct 4 ms 2592 KB Output is correct
30 Correct 3 ms 2124 KB Output is correct
31 Correct 4 ms 2252 KB Output is correct
32 Correct 3 ms 2124 KB Output is correct
33 Correct 7 ms 3148 KB Output is correct
34 Correct 5 ms 3104 KB Output is correct
35 Correct 14 ms 2968 KB Output is correct
36 Correct 3 ms 1996 KB Output is correct
37 Correct 12 ms 4028 KB Output is correct
38 Correct 16 ms 3908 KB Output is correct
39 Correct 15 ms 3664 KB Output is correct
40 Correct 19 ms 3680 KB Output is correct
41 Correct 16 ms 3788 KB Output is correct
42 Runtime error 397 ms 262148 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -