Submission #244799

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
244799	2020-07-05T04:30:12 Z	vioalbert	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	231 ms	67172 KB

skyscraper

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int N = 3e4+5, MAX = 2e9;
int n, m, batas;
vector<pair<int, int>> adj[N];
set<int> power[N];
int location[N], p[N];

typedef pair<int, int> state;

int dijkstra(int s, int e) {
	vector<bool> vis(n+1, 0);
	vector<int> dist(n+1, MAX);
	priority_queue<state, vector<state>, greater<state>> pq;
	pq.push({0, s});
	dist[s] = 0;

	while(!pq.empty()) {
		int u = pq.top().second; pq.pop();
		if(u == e) return dist[e];
		if(!vis[u]) {
			vis[u] = 1;
			for(auto& it : adj[u]) {
				int v = it.first, d = it.second;
				if(dist[v] > dist[u] + d) {
					dist[v] = dist[u] + d;
					pq.push({dist[v], v});
				}
			}
		}
	}
	return -1;
}

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	cin >> n >> m;
	for(int i = 0; i < m; i++) {
		cin >> location[i] >> p[i];
		power[location[i]].insert(p[i]);
	}

	for(int i = 0; i < n; i++) {
		for(auto x : power[i]) {
			int lst = -1;
			for(int j = i%x; j < n; j+=x) {
				if(power[j].count(x) > 0) {
					if(lst >= 0) {
						adj[lst].push_back({j, abs(lst-j)/x});
						adj[j].push_back({lst, abs(lst-j)/x});
					}
					for(int k = j-x; k > lst; k-=x)
						adj[j].push_back({k, abs(k-j)/x});
					lst = j;
					if(i != j) power[j].erase(x);
				} else if(lst >= 0) {
					adj[lst].push_back({j, abs(lst-j)/x});
				}
			}
		}
		power[i].clear();
	}

	int ans = dijkstra(location[0], location[1]);
	cout << ans << '\n';

	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	2432 KB	Output is correct
2	Correct	6 ms	2432 KB	Output is correct
3	Correct	6 ms	2432 KB	Output is correct
4	Correct	6 ms	2432 KB	Output is correct
5	Correct	6 ms	2432 KB	Output is correct
6	Correct	6 ms	2432 KB	Output is correct
7	Correct	6 ms	2432 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	2432 KB	Output is correct
2	Correct	6 ms	2432 KB	Output is correct
3	Correct	6 ms	2432 KB	Output is correct
4	Correct	6 ms	2432 KB	Output is correct
5	Correct	6 ms	2432 KB	Output is correct
6	Correct	6 ms	2432 KB	Output is correct
7	Correct	6 ms	2432 KB	Output is correct
8	Correct	6 ms	2432 KB	Output is correct
9	Correct	6 ms	2432 KB	Output is correct
10	Correct	6 ms	2560 KB	Output is correct
11	Correct	6 ms	2560 KB	Output is correct
12	Correct	6 ms	2432 KB	Output is correct
13	Correct	6 ms	2432 KB	Output is correct
14	Correct	7 ms	2688 KB	Output is correct
15	Correct	7 ms	2560 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	2432 KB	Output is correct
2	Correct	5 ms	2432 KB	Output is correct
3	Correct	5 ms	2432 KB	Output is correct
4	Correct	6 ms	2432 KB	Output is correct
5	Correct	7 ms	2560 KB	Output is correct
6	Correct	6 ms	2432 KB	Output is correct
7	Correct	6 ms	2432 KB	Output is correct
8	Correct	6 ms	2432 KB	Output is correct
9	Correct	6 ms	2432 KB	Output is correct
10	Correct	6 ms	2432 KB	Output is correct
11	Correct	7 ms	2560 KB	Output is correct
12	Correct	7 ms	2432 KB	Output is correct
13	Correct	7 ms	2432 KB	Output is correct
14	Correct	6 ms	2560 KB	Output is correct
15	Correct	7 ms	2560 KB	Output is correct
16	Correct	6 ms	2560 KB	Output is correct
17	Correct	7 ms	2688 KB	Output is correct
18	Correct	6 ms	2560 KB	Output is correct
19	Correct	6 ms	2560 KB	Output is correct
20	Correct	7 ms	2560 KB	Output is correct
21	Correct	6 ms	2560 KB	Output is correct
22	Correct	6 ms	2560 KB	Output is correct
23	Correct	7 ms	2560 KB	Output is correct
24	Correct	7 ms	2688 KB	Output is correct
25	Correct	6 ms	2688 KB	Output is correct
26	Correct	6 ms	2560 KB	Output is correct
27	Correct	6 ms	2560 KB	Output is correct
28	Correct	7 ms	2688 KB	Output is correct
29	Correct	9 ms	3328 KB	Output is correct
30	Correct	7 ms	2816 KB	Output is correct
31	Correct	7 ms	2944 KB	Output is correct
32	Correct	7 ms	2816 KB	Output is correct
33	Correct	12 ms	3968 KB	Output is correct
34	Correct	10 ms	3968 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	2432 KB	Output is correct
2	Correct	6 ms	2432 KB	Output is correct
3	Correct	6 ms	2688 KB	Output is correct
4	Correct	6 ms	2432 KB	Output is correct
5	Correct	6 ms	2432 KB	Output is correct
6	Correct	6 ms	2432 KB	Output is correct
7	Correct	7 ms	2432 KB	Output is correct
8	Correct	6 ms	2432 KB	Output is correct
9	Correct	6 ms	2432 KB	Output is correct
10	Correct	6 ms	2432 KB	Output is correct
11	Correct	7 ms	2560 KB	Output is correct
12	Correct	6 ms	2432 KB	Output is correct
13	Correct	6 ms	2432 KB	Output is correct
14	Correct	7 ms	2560 KB	Output is correct
15	Correct	7 ms	2688 KB	Output is correct
16	Correct	6 ms	2560 KB	Output is correct
17	Correct	7 ms	2688 KB	Output is correct
18	Correct	6 ms	2560 KB	Output is correct
19	Correct	6 ms	2560 KB	Output is correct
20	Correct	6 ms	2560 KB	Output is correct
21	Correct	6 ms	2560 KB	Output is correct
22	Correct	6 ms	2560 KB	Output is correct
23	Correct	7 ms	2560 KB	Output is correct
24	Correct	8 ms	2688 KB	Output is correct
25	Correct	7 ms	2688 KB	Output is correct
26	Correct	6 ms	2560 KB	Output is correct
27	Correct	6 ms	2560 KB	Output is correct
28	Correct	7 ms	2816 KB	Output is correct
29	Correct	9 ms	3328 KB	Output is correct
30	Correct	7 ms	2816 KB	Output is correct
31	Correct	7 ms	2944 KB	Output is correct
32	Correct	7 ms	2816 KB	Output is correct
33	Correct	12 ms	3968 KB	Output is correct
34	Correct	10 ms	3968 KB	Output is correct
35	Correct	21 ms	4608 KB	Output is correct
36	Correct	8 ms	2816 KB	Output is correct
37	Correct	21 ms	5248 KB	Output is correct
38	Correct	27 ms	5632 KB	Output is correct
39	Correct	25 ms	5376 KB	Output is correct
40	Correct	25 ms	5376 KB	Output is correct
41	Correct	27 ms	5504 KB	Output is correct
42	Correct	10 ms	2816 KB	Output is correct
43	Correct	10 ms	2816 KB	Output is correct
44	Correct	10 ms	2816 KB	Output is correct
45	Correct	32 ms	8312 KB	Output is correct
46	Correct	30 ms	8188 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	2432 KB	Output is correct
2	Correct	6 ms	2432 KB	Output is correct
3	Correct	6 ms	2432 KB	Output is correct
4	Correct	6 ms	2432 KB	Output is correct
5	Correct	6 ms	2432 KB	Output is correct
6	Correct	6 ms	2432 KB	Output is correct
7	Correct	6 ms	2432 KB	Output is correct
8	Correct	6 ms	2432 KB	Output is correct
9	Correct	6 ms	2432 KB	Output is correct
10	Correct	6 ms	2560 KB	Output is correct
11	Correct	7 ms	2560 KB	Output is correct
12	Correct	6 ms	2432 KB	Output is correct
13	Correct	6 ms	2432 KB	Output is correct
14	Correct	7 ms	2560 KB	Output is correct
15	Correct	7 ms	2688 KB	Output is correct
16	Correct	6 ms	2560 KB	Output is correct
17	Correct	7 ms	2688 KB	Output is correct
18	Correct	7 ms	2560 KB	Output is correct
19	Correct	6 ms	2560 KB	Output is correct
20	Correct	6 ms	2560 KB	Output is correct
21	Correct	6 ms	2560 KB	Output is correct
22	Correct	6 ms	2560 KB	Output is correct
23	Correct	7 ms	2560 KB	Output is correct
24	Correct	7 ms	2688 KB	Output is correct
25	Correct	7 ms	2688 KB	Output is correct
26	Correct	6 ms	2560 KB	Output is correct
27	Correct	6 ms	2560 KB	Output is correct
28	Correct	7 ms	2688 KB	Output is correct
29	Correct	9 ms	3328 KB	Output is correct
30	Correct	7 ms	2816 KB	Output is correct
31	Correct	9 ms	2944 KB	Output is correct
32	Correct	7 ms	2816 KB	Output is correct
33	Correct	12 ms	3968 KB	Output is correct
34	Correct	11 ms	3968 KB	Output is correct
35	Correct	21 ms	4608 KB	Output is correct
36	Correct	8 ms	2816 KB	Output is correct
37	Correct	22 ms	5248 KB	Output is correct
38	Correct	29 ms	5504 KB	Output is correct
39	Correct	26 ms	5504 KB	Output is correct
40	Correct	26 ms	5376 KB	Output is correct
41	Correct	28 ms	5496 KB	Output is correct
42	Correct	10 ms	2816 KB	Output is correct
43	Correct	11 ms	2816 KB	Output is correct
44	Correct	10 ms	2816 KB	Output is correct
45	Correct	33 ms	8312 KB	Output is correct
46	Correct	34 ms	8184 KB	Output is correct
47	Correct	45 ms	12404 KB	Output is correct
48	Correct	23 ms	5628 KB	Output is correct
49	Correct	24 ms	4736 KB	Output is correct
50	Correct	16 ms	4480 KB	Output is correct
51	Correct	36 ms	7436 KB	Output is correct
52	Correct	40 ms	7736 KB	Output is correct
53	Correct	27 ms	5116 KB	Output is correct
54	Correct	7 ms	3072 KB	Output is correct
55	Correct	9 ms	3452 KB	Output is correct
56	Correct	18 ms	4224 KB	Output is correct
57	Correct	22 ms	11392 KB	Output is correct
58	Correct	14 ms	3836 KB	Output is correct
59	Correct	16 ms	4240 KB	Output is correct
60	Correct	16 ms	4876 KB	Output is correct
61	Correct	17 ms	4100 KB	Output is correct
62	Correct	32 ms	8572 KB	Output is correct
63	Correct	113 ms	26092 KB	Output is correct
64	Correct	97 ms	29292 KB	Output is correct
65	Correct	133 ms	38892 KB	Output is correct
66	Correct	231 ms	67172 KB	Output is correct
67	Correct	187 ms	67044 KB	Output is correct

Submission #244799

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0