답안 #402545

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
402545	2021-05-11T23:10:05 Z	faresbasbs	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	405 ms	112400 KB

skyscraper

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
bitset<30001> bs,bs2[30001];
vector<int> v[30001];
int n,m,tag,tag2;

int main(){
	ios_base::sync_with_stdio(false);
	cout.tie(NULL);
	cin.tie(NULL);
	cin >> n >> m;
	for(int i = 0 ; i < m ; i += 1){
		int a,b;
		cin >> a >> b;
		if(i == 0){
			tag2 = a;
		}else if(i == 1){
			tag = a;
		}
		v[a].push_back(b);
	}
	queue<pair<int,int>> q;
	for(auto i : v[tag2]){
		q.push({tag2,i});
		bs2[tag2][i] = 1;
	}
	bs[tag2] = 1;
	int dist = 0;
	while(q.size()){
		queue<pair<int,int>> q2;
		while(q.size()){
			pair<int,int> a = q.front();
			q.pop();
			// cout << a.first << " " << a.second << " " << dist << endl;
			if(!bs[a.first]){
				bs[a.first] = 1;
				for(auto i : v[a.first]){
					q.push({a.first,i}) , bs2[a.first][i] = 1;
				}
			}
			if(a.first+a.second < n && !bs2[a.first+a.second][a.second]){
				q2.push({a.first+a.second,a.second}) , bs2[a.first+a.second][a.second] = 1;
			}
			if(a.first-a.second >= 0 && !bs2[a.first-a.second][a.second]){
				q2.push({a.first-a.second,a.second}) , bs2[a.first-a.second][a.second] = 1;
			}
		}
		q = q2;
		if(bs[tag]){
			cout << dist << '\n';
			return 0;
		}
		dist += 1;
	}
	cout << -1 << endl;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 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	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

#	결과	실행 시간	메모리	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	1 ms	972 KB	Output is correct
5	Correct	2 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	2 ms	1160 KB	Output is correct
10	Correct	2 ms	1384 KB	Output is correct
11	Correct	2 ms	1356 KB	Output is correct
12	Correct	2 ms	1356 KB	Output is correct
13	Correct	2 ms	1356 KB	Output is correct
14	Correct	2 ms	1420 KB	Output is correct
15	Correct	2 ms	1356 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	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	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	1152 KB	Output is correct
10	Correct	2 ms	1356 KB	Output is correct
11	Correct	2 ms	1356 KB	Output is correct
12	Correct	2 ms	1356 KB	Output is correct
13	Correct	2 ms	1356 KB	Output is correct
14	Correct	2 ms	1356 KB	Output is correct
15	Correct	2 ms	1408 KB	Output is correct
16	Correct	2 ms	972 KB	Output is correct
17	Correct	4 ms	3788 KB	Output is correct
18	Correct	2 ms	972 KB	Output is correct
19	Correct	1 ms	1100 KB	Output is correct
20	Correct	7 ms	8396 KB	Output is correct
21	Correct	2 ms	972 KB	Output is correct
22	Correct	1 ms	972 KB	Output is correct
23	Correct	6 ms	6388 KB	Output is correct
24	Correct	8 ms	7500 KB	Output is correct
25	Correct	3 ms	2508 KB	Output is correct
26	Correct	7 ms	7244 KB	Output is correct
27	Correct	7 ms	7684 KB	Output is correct
28	Correct	9 ms	8408 KB	Output is correct
29	Correct	8 ms	8352 KB	Output is correct
30	Correct	6 ms	8320 KB	Output is correct
31	Correct	7 ms	8332 KB	Output is correct
32	Correct	7 ms	8280 KB	Output is correct
33	Correct	10 ms	8332 KB	Output is correct
34	Correct	8 ms	8396 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	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	1000 KB	Output is correct
8	Correct	1 ms	1020 KB	Output is correct
9	Correct	1 ms	1152 KB	Output is correct
10	Correct	2 ms	1280 KB	Output is correct
11	Correct	2 ms	1356 KB	Output is correct
12	Correct	2 ms	1356 KB	Output is correct
13	Correct	2 ms	1420 KB	Output is correct
14	Correct	2 ms	1356 KB	Output is correct
15	Correct	2 ms	1356 KB	Output is correct
16	Correct	1 ms	972 KB	Output is correct
17	Correct	5 ms	3760 KB	Output is correct
18	Correct	2 ms	972 KB	Output is correct
19	Correct	1 ms	1100 KB	Output is correct
20	Correct	7 ms	8396 KB	Output is correct
21	Correct	2 ms	972 KB	Output is correct
22	Correct	2 ms	1032 KB	Output is correct
23	Correct	5 ms	6284 KB	Output is correct
24	Correct	6 ms	7500 KB	Output is correct
25	Correct	3 ms	2508 KB	Output is correct
26	Correct	6 ms	7308 KB	Output is correct
27	Correct	6 ms	7716 KB	Output is correct
28	Correct	9 ms	8396 KB	Output is correct
29	Correct	8 ms	8392 KB	Output is correct
30	Correct	7 ms	8268 KB	Output is correct
31	Correct	7 ms	8268 KB	Output is correct
32	Correct	7 ms	8316 KB	Output is correct
33	Correct	10 ms	8320 KB	Output is correct
34	Correct	8 ms	8424 KB	Output is correct
35	Correct	12 ms	6860 KB	Output is correct
36	Correct	4 ms	3468 KB	Output is correct
37	Correct	11 ms	8780 KB	Output is correct
38	Correct	14 ms	9156 KB	Output is correct
39	Correct	11 ms	2636 KB	Output is correct
40	Correct	15 ms	7876 KB	Output is correct
41	Correct	18 ms	9228 KB	Output is correct
42	Correct	11 ms	7756 KB	Output is correct
43	Correct	12 ms	8208 KB	Output is correct
44	Correct	12 ms	8908 KB	Output is correct
45	Correct	24 ms	9164 KB	Output is correct
46	Correct	18 ms	9164 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	972 KB	Output is correct
2	Correct	1 ms	1024 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	2 ms	972 KB	Output is correct
8	Correct	1 ms	972 KB	Output is correct
9	Correct	2 ms	1100 KB	Output is correct
10	Correct	2 ms	1356 KB	Output is correct
11	Correct	2 ms	1356 KB	Output is correct
12	Correct	2 ms	1356 KB	Output is correct
13	Correct	2 ms	1356 KB	Output is correct
14	Correct	2 ms	1416 KB	Output is correct
15	Correct	2 ms	1356 KB	Output is correct
16	Correct	1 ms	972 KB	Output is correct
17	Correct	4 ms	3724 KB	Output is correct
18	Correct	2 ms	972 KB	Output is correct
19	Correct	1 ms	1032 KB	Output is correct
20	Correct	9 ms	8452 KB	Output is correct
21	Correct	2 ms	972 KB	Output is correct
22	Correct	1 ms	972 KB	Output is correct
23	Correct	5 ms	6348 KB	Output is correct
24	Correct	7 ms	7500 KB	Output is correct
25	Correct	4 ms	2508 KB	Output is correct
26	Correct	7 ms	7244 KB	Output is correct
27	Correct	8 ms	7756 KB	Output is correct
28	Correct	9 ms	8396 KB	Output is correct
29	Correct	8 ms	8268 KB	Output is correct
30	Correct	6 ms	8268 KB	Output is correct
31	Correct	7 ms	8396 KB	Output is correct
32	Correct	7 ms	8320 KB	Output is correct
33	Correct	10 ms	8380 KB	Output is correct
34	Correct	8 ms	8396 KB	Output is correct
35	Correct	12 ms	6912 KB	Output is correct
36	Correct	4 ms	3532 KB	Output is correct
37	Correct	11 ms	8856 KB	Output is correct
38	Correct	15 ms	9164 KB	Output is correct
39	Correct	9 ms	2568 KB	Output is correct
40	Correct	14 ms	7848 KB	Output is correct
41	Correct	17 ms	9236 KB	Output is correct
42	Correct	10 ms	7680 KB	Output is correct
43	Correct	12 ms	8268 KB	Output is correct
44	Correct	12 ms	8884 KB	Output is correct
45	Correct	24 ms	9164 KB	Output is correct
46	Correct	18 ms	9164 KB	Output is correct
47	Correct	35 ms	40516 KB	Output is correct
48	Correct	8 ms	1740 KB	Output is correct
49	Correct	7 ms	1684 KB	Output is correct
50	Correct	6 ms	1484 KB	Output is correct
51	Correct	75 ms	89408 KB	Output is correct
52	Correct	77 ms	95812 KB	Output is correct
53	Correct	22 ms	18716 KB	Output is correct
54	Correct	42 ms	61124 KB	Output is correct
55	Correct	54 ms	77740 KB	Output is correct
56	Correct	87 ms	112184 KB	Output is correct
57	Correct	3 ms	2764 KB	Output is correct
58	Correct	86 ms	111536 KB	Output is correct
59	Correct	83 ms	103868 KB	Output is correct
60	Correct	84 ms	103868 KB	Output is correct
61	Correct	82 ms	99412 KB	Output is correct
62	Correct	151 ms	112400 KB	Output is correct
63	Correct	213 ms	112008 KB	Output is correct
64	Correct	231 ms	111896 KB	Output is correct
65	Correct	260 ms	112004 KB	Output is correct
66	Correct	405 ms	111916 KB	Output is correct
67	Correct	260 ms	111968 KB	Output is correct

답안 #402545

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