답안 #375362

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
375362	2021-03-09T10:10:38 Z	wind_reaper	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	295 ms	68056 KB

skyscraper

#include <bits/stdc++.h>

using namespace std;

const int INF = 1e9;

int32_t main(){
	ios_base::sync_with_stdio(false); 
	cin.tie(NULL); 
	
	int n, m;
	cin >> n >> m;

	vector<vector<array<int, 2>>> adj(n);
	// vector<set<array<int, 2>>> adj(n);
	vector<set<int>> jump(n);
	vector<array<int, 2>> info(m);
	int src, dest;
	for(int i = 0; i < m; i++){
		int b, p;
		cin >> b >> p;
		info[i] = {b, p};
		jump[b].insert(p);
		if(i == 0) src = b;
		if(i == 1) dest = b;
	}
/*
	for(int i = 0; i < m; i++){
		auto [b, p] = info[i];
		for(int j = b+p; j < n; j += p){
			adj[b].push_back({j, (j-b)/p});
			if(jump[j].count(p)) break;
		}
		for(int j = b-p; j >= 0; j -= p){
			adj[b].push_back({j, (b-j)/p});
			if(jump[j].count(p)) break;
		}
	}*/
 	
 	for(int b = 0; b < n; b++){
 		for(int p : jump[b]){
 			for(int j = b+p; j < n; j += p){
				adj[b].push_back({j, (j-b)/p});
				if(jump[j].count(p)) break;
			}
			for(int j = b-p; j >= 0; j -= p){
				adj[b].push_back({j, (b-j)/p});
				if(jump[j].count(p)) break;
			}
 		}
 	}
	vector<int> dist(n, INF);
	dist[src] = 0;
	priority_queue<array<int, 2>, vector<array<int, 2>>, greater<array<int, 2>>> pq;
	pq.push({0, src});
 
	while(!pq.empty()){
		auto [d, node] = pq.top();
		pq.pop();
		for(auto& [v, nd] : adj[node]){
			if(dist[v] <= dist[node] + nd)
				continue;
			dist[v] = dist[node] + nd;
			pq.push({dist[v], v});
		}
	}
	cout << (dist[dest] == INF ? -1 : dist[dest]) << '\n';

	return 0; 
}

Compilation message

skyscraper.cpp: In function 'int32_t main()':
skyscraper.cpp:67:20: warning: 'dest' may be used uninitialized in this function [-Wmaybe-uninitialized]
   67 |  cout << (dist[dest] == INF ? -1 : dist[dest]) << '\n';
      |                    ^
skyscraper.cpp:53:10: warning: 'src' may be used uninitialized in this function [-Wmaybe-uninitialized]
   53 |  dist[src] = 0;
      |          ^

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	492 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	2 ms	492 KB	Output is correct
15	Correct	1 ms	492 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	268 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	492 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	2 ms	620 KB	Output is correct
18	Correct	1 ms	620 KB	Output is correct
19	Correct	1 ms	620 KB	Output is correct
20	Correct	2 ms	620 KB	Output is correct
21	Correct	41 ms	492 KB	Output is correct
22	Correct	1 ms	620 KB	Output is correct
23	Correct	2 ms	620 KB	Output is correct
24	Correct	85 ms	876 KB	Output is correct
25	Correct	2 ms	768 KB	Output is correct
26	Correct	87 ms	620 KB	Output is correct
27	Correct	2 ms	620 KB	Output is correct
28	Correct	2 ms	876 KB	Output is correct
29	Correct	4 ms	1388 KB	Output is correct
30	Correct	2 ms	748 KB	Output is correct
31	Correct	2 ms	1004 KB	Output is correct
32	Correct	2 ms	876 KB	Output is correct
33	Correct	7 ms	2028 KB	Output is correct
34	Correct	7 ms	2028 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	492 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	2 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	2 ms	748 KB	Output is correct
18	Correct	1 ms	620 KB	Output is correct
19	Correct	1 ms	620 KB	Output is correct
20	Correct	2 ms	620 KB	Output is correct
21	Correct	1 ms	492 KB	Output is correct
22	Correct	1 ms	620 KB	Output is correct
23	Correct	90 ms	620 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	1 ms	620 KB	Output is correct
27	Correct	1 ms	620 KB	Output is correct
28	Correct	2 ms	876 KB	Output is correct
29	Correct	4 ms	1388 KB	Output is correct
30	Correct	2 ms	748 KB	Output is correct
31	Correct	3 ms	1004 KB	Output is correct
32	Correct	2 ms	876 KB	Output is correct
33	Correct	7 ms	2028 KB	Output is correct
34	Correct	7 ms	2028 KB	Output is correct
35	Correct	18 ms	3052 KB	Output is correct
36	Correct	3 ms	876 KB	Output is correct
37	Correct	21 ms	3692 KB	Output is correct
38	Correct	24 ms	4204 KB	Output is correct
39	Correct	24 ms	4204 KB	Output is correct
40	Correct	24 ms	4204 KB	Output is correct
41	Correct	24 ms	4224 KB	Output is correct
42	Correct	6 ms	1004 KB	Output is correct
43	Correct	6 ms	1004 KB	Output is correct
44	Correct	6 ms	1132 KB	Output is correct
45	Correct	30 ms	6892 KB	Output is correct
46	Correct	30 ms	6892 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	492 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	2 ms	492 KB	Output is correct
15	Correct	1 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	2 ms	748 KB	Output is correct
18	Correct	1 ms	620 KB	Output is correct
19	Correct	1 ms	620 KB	Output is correct
20	Correct	2 ms	620 KB	Output is correct
21	Correct	1 ms	492 KB	Output is correct
22	Correct	1 ms	620 KB	Output is correct
23	Correct	2 ms	620 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	1 ms	620 KB	Output is correct
27	Correct	1 ms	620 KB	Output is correct
28	Correct	2 ms	876 KB	Output is correct
29	Correct	4 ms	1388 KB	Output is correct
30	Correct	2 ms	748 KB	Output is correct
31	Correct	2 ms	1004 KB	Output is correct
32	Correct	2 ms	876 KB	Output is correct
33	Correct	7 ms	2028 KB	Output is correct
34	Correct	8 ms	2028 KB	Output is correct
35	Correct	19 ms	3052 KB	Output is correct
36	Correct	4 ms	876 KB	Output is correct
37	Correct	21 ms	3692 KB	Output is correct
38	Correct	25 ms	4076 KB	Output is correct
39	Correct	28 ms	4076 KB	Output is correct
40	Correct	34 ms	4076 KB	Output is correct
41	Correct	25 ms	4076 KB	Output is correct
42	Correct	6 ms	1004 KB	Output is correct
43	Correct	6 ms	1004 KB	Output is correct
44	Correct	6 ms	1132 KB	Output is correct
45	Correct	31 ms	6892 KB	Output is correct
46	Correct	35 ms	6872 KB	Output is correct
47	Correct	62 ms	12008 KB	Output is correct
48	Correct	20 ms	5864 KB	Output is correct
49	Correct	17 ms	5100 KB	Output is correct
50	Correct	14 ms	4844 KB	Output is correct
51	Correct	50 ms	8568 KB	Output is correct
52	Correct	55 ms	8976 KB	Output is correct
53	Correct	25 ms	6000 KB	Output is correct
54	Correct	4 ms	3052 KB	Output is correct
55	Correct	6 ms	3432 KB	Output is correct
56	Correct	17 ms	5356 KB	Output is correct
57	Correct	47 ms	11624 KB	Output is correct
58	Correct	11 ms	3940 KB	Output is correct
59	Correct	12 ms	4328 KB	Output is correct
60	Correct	14 ms	4968 KB	Output is correct
61	Correct	14 ms	4460 KB	Output is correct
62	Correct	32 ms	9704 KB	Output is correct
63	Correct	101 ms	26980 KB	Output is correct
64	Correct	100 ms	30048 KB	Output is correct
65	Correct	132 ms	39776 KB	Output is correct
66	Correct	285 ms	68056 KB	Output is correct
67	Correct	295 ms	68056 KB	Output is correct

답안 #375362

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