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Submission #455359

# Submission time Handle Problem Language Result Execution time Memory
455359 2021-08-05T23:57:19 Z Hamed5001 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 997 ms 3776 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

const int mxN = 3e4, OO = 0x3f3f3f3f;
int N, M;
vector<int> doges[mxN];

int dijkstra(int st, int en) {
	vector<int> dist(N, 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 doge : doges[node.second]) {
			for (int i = node.second+doge, j = 1; i < N; i+=doge, j++) {
				if (dist[i] > node.first + j) {
					dist[i] = node.first + j;
					pq.push({dist[i], i});
				}
			}
			for (int i = node.second-doge, j = 1; i >= 0; i-=doge, j++) {
				if (dist[i] > node.first + j) {
					dist[i] = node.first + j;
					pq.push({dist[i], i});
				}
			}
		}
	}
	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);
	}


	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:58:27: warning: 'enB' may be used uninitialized in this function [-Wmaybe-uninitialized]
   58 |  cout << dijkstra(stB, enB);
      |                           ^
skyscraper.cpp:58:27: 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 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 1016 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 2 ms 972 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 2 ms 972 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1100 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 972 KB Output is correct
14 Correct 2 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 1 ms 972 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 7 ms 1032 KB Output is correct
21 Correct 1 ms 1032 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 1 ms 972 KB Output is correct
24 Correct 2 ms 1100 KB Output is correct
25 Correct 1 ms 1100 KB Output is correct
26 Correct 2 ms 1028 KB Output is correct
27 Correct 2 ms 1024 KB Output is correct
28 Correct 2 ms 1100 KB Output is correct
29 Correct 3 ms 1228 KB Output is correct
30 Correct 2 ms 1100 KB Output is correct
31 Correct 2 ms 1152 KB Output is correct
32 Correct 2 ms 1100 KB Output is correct
33 Correct 3 ms 1228 KB Output is correct
34 Correct 3 ms 1228 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 1016 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 2 ms 1100 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 2 ms 972 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 7 ms 1208 KB Output is correct
21 Correct 1 ms 984 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 1 ms 972 KB Output is correct
24 Correct 2 ms 1100 KB Output is correct
25 Correct 2 ms 1032 KB Output is correct
26 Correct 1 ms 1036 KB Output is correct
27 Correct 2 ms 972 KB Output is correct
28 Correct 2 ms 1100 KB Output is correct
29 Correct 3 ms 1228 KB Output is correct
30 Correct 2 ms 1100 KB Output is correct
31 Correct 2 ms 1100 KB Output is correct
32 Correct 2 ms 1100 KB Output is correct
33 Correct 4 ms 1228 KB Output is correct
34 Correct 3 ms 1280 KB Output is correct
35 Correct 11 ms 1536 KB Output is correct
36 Correct 4 ms 1100 KB Output is correct
37 Correct 9 ms 1356 KB Output is correct
38 Correct 8 ms 1548 KB Output is correct
39 Correct 11 ms 1484 KB Output is correct
40 Correct 8 ms 1516 KB Output is correct
41 Correct 8 ms 1540 KB Output is correct
42 Correct 8 ms 1484 KB Output is correct
43 Correct 6 ms 1440 KB Output is correct
44 Correct 38 ms 1412 KB Output is correct
45 Correct 9 ms 1580 KB Output is correct
46 Correct 10 ms 1584 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 2 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 2 ms 1024 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 972 KB Output is correct
14 Correct 2 ms 972 KB Output is correct
15 Correct 1 ms 1032 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 2 ms 972 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 6 ms 1136 KB Output is correct
21 Correct 1 ms 1100 KB Output is correct
22 Correct 2 ms 972 KB Output is correct
23 Correct 2 ms 972 KB Output is correct
24 Correct 3 ms 1100 KB Output is correct
25 Correct 2 ms 1100 KB Output is correct
26 Correct 2 ms 1036 KB Output is correct
27 Correct 2 ms 1032 KB Output is correct
28 Correct 2 ms 1100 KB Output is correct
29 Correct 2 ms 1228 KB Output is correct
30 Correct 2 ms 1020 KB Output is correct
31 Correct 2 ms 1100 KB Output is correct
32 Correct 2 ms 1100 KB Output is correct
33 Correct 4 ms 1228 KB Output is correct
34 Correct 3 ms 1228 KB Output is correct
35 Correct 7 ms 1540 KB Output is correct
36 Correct 3 ms 1100 KB Output is correct
37 Correct 9 ms 1436 KB Output is correct
38 Correct 11 ms 1548 KB Output is correct
39 Correct 8 ms 1484 KB Output is correct
40 Correct 9 ms 1484 KB Output is correct
41 Correct 9 ms 1512 KB Output is correct
42 Correct 7 ms 1484 KB Output is correct
43 Correct 7 ms 1484 KB Output is correct
44 Correct 56 ms 1528 KB Output is correct
45 Correct 9 ms 1612 KB Output is correct
46 Correct 8 ms 1612 KB Output is correct
47 Correct 11 ms 2248 KB Output is correct
48 Correct 10 ms 1696 KB Output is correct
49 Correct 7 ms 1740 KB Output is correct
50 Correct 5 ms 1612 KB Output is correct
51 Correct 17 ms 3200 KB Output is correct
52 Correct 17 ms 2668 KB Output is correct
53 Correct 10 ms 2260 KB Output is correct
54 Correct 2 ms 1356 KB Output is correct
55 Correct 3 ms 1356 KB Output is correct
56 Correct 825 ms 2636 KB Output is correct
57 Correct 4 ms 1864 KB Output is correct
58 Correct 997 ms 1612 KB Output is correct
59 Correct 12 ms 1740 KB Output is correct
60 Correct 8 ms 1612 KB Output is correct
61 Correct 9 ms 1740 KB Output is correct
62 Correct 15 ms 2332 KB Output is correct
63 Correct 32 ms 2688 KB Output is correct
64 Correct 33 ms 3776 KB Output is correct
65 Correct 39 ms 3776 KB Output is correct
66 Correct 58 ms 3648 KB Output is correct
67 Correct 43 ms 3648 KB Output is correct