답안 #935991

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
935991	2024-02-29T21:22:26 Z	TAhmed33	Jail (JOI22_jail)	C++	49 / 100	5000 ms	1048576 KB

jail

#include <bits/stdc++.h>
using namespace std;
const int MAXN = 120025;
int n, m;
pair <int, int> a[MAXN];
vector <int> adj[MAXN];
set <int> path[MAXN];
vector <int> comp;
bool flag;
void dfs (int pos, int par, int c) {
	comp.push_back(pos);
	if (pos == a[c].second) {
		flag = 1;
		return;
	}
	for (auto j : adj[pos]) {
		if (j == par) continue;
		dfs(j, pos, c);
		if (flag) return;
	}
	comp.pop_back();
}
int vis[MAXN];
void dfs2 (int pos) {
	vis[pos] = 1;
	comp.push_back(pos);
	for (int i = 1; i <= m; i++) {
		if (i == pos) continue;
		if (path[pos].count(a[i].first)) {
			if (vis[i] == 1) {
				flag = 1;
				return;
			}
			if (vis[i] == 0) {
				dfs2(i);
				if (flag) return;
			}
		}
	}
	for (int i = 1; i <= m; i++) {
		if (i == pos) continue;
		if (path[i].count(a[pos].second)) {
			if (vis[i] == 1) {
				flag = 1;
				return;
			}
			if (vis[i] == 0) {
				dfs2(i);
				if (flag) return;
			}
		}
	}
	if (flag) return;
	vis[pos] = 2;
	comp.pop_back();
}
void solve () {
	cin >> n;
	for (int i = 1; i <= n; i++) adj[i].clear();
	for (int i = 1; i < n; i++) {
		int x, y;
		cin >> x >> y;
		adj[x].push_back(y);
		adj[y].push_back(x);
	}
	cin >> m;
	for (int i = 1; i <= m; i++) {
		cin >> a[i].first >> a[i].second; vis[i] = 0;
		path[i].clear(); comp.clear(); flag = 0;
		dfs(a[i].first, -1, i);
		for (auto j : comp) path[i].insert(j);
	}
	flag = 0;
	comp.clear();
	for (int i = 1; i <= n && !flag; i++) {
		if (vis[i] == 0) {
			dfs2(i);
		}
	}
	cout << (flag ? "No\n" : "Yes\n");
}
int main () {
	ios::sync_with_stdio(0); cin.tie(0);
	int t = 1; cin >> t;
	while (t--) solve();
}

Subtask #1
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	9052 KB	Output is correct
2	Correct	2 ms	9220 KB	Output is correct
3	Correct	3 ms	9052 KB	Output is correct
4	Correct	10 ms	9564 KB	Output is correct
5	Correct	24 ms	9996 KB	Output is correct
6	Correct	4 ms	9052 KB	Output is correct
7	Correct	4 ms	9308 KB	Output is correct
8	Correct	9 ms	9820 KB	Output is correct
9	Correct	1362 ms	140136 KB	Output is correct
10	Runtime error	3738 ms	1048576 KB	Execution killed with signal 9
11	Halted	0 ms	0 KB	-

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9052 KB	Output is correct
2	Correct	2 ms	9052 KB	Output is correct
3	Correct	4 ms	9300 KB	Output is correct
4	Correct	2 ms	9052 KB	Output is correct
5	Correct	3 ms	9176 KB	Output is correct
6	Correct	2 ms	9052 KB	Output is correct
7	Correct	2 ms	9052 KB	Output is correct
8	Correct	4 ms	9052 KB	Output is correct
9	Correct	3 ms	9052 KB	Output is correct
10	Correct	3 ms	9052 KB	Output is correct
11	Correct	2 ms	9052 KB	Output is correct
12	Correct	2 ms	9052 KB	Output is correct
13	Correct	2 ms	9056 KB	Output is correct

Subtask #3
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9052 KB	Output is correct
2	Correct	2 ms	9052 KB	Output is correct
3	Correct	4 ms	9300 KB	Output is correct
4	Correct	2 ms	9052 KB	Output is correct
5	Correct	3 ms	9176 KB	Output is correct
6	Correct	2 ms	9052 KB	Output is correct
7	Correct	2 ms	9052 KB	Output is correct
8	Correct	4 ms	9052 KB	Output is correct
9	Correct	3 ms	9052 KB	Output is correct
10	Correct	3 ms	9052 KB	Output is correct
11	Correct	2 ms	9052 KB	Output is correct
12	Correct	2 ms	9052 KB	Output is correct
13	Correct	2 ms	9056 KB	Output is correct
14	Correct	2 ms	9052 KB	Output is correct
15	Correct	2 ms	9052 KB	Output is correct
16	Correct	3 ms	9308 KB	Output is correct
17	Correct	2 ms	9052 KB	Output is correct
18	Correct	4 ms	9308 KB	Output is correct
19	Correct	2 ms	9052 KB	Output is correct
20	Correct	3 ms	9052 KB	Output is correct
21	Correct	3 ms	9052 KB	Output is correct
22	Correct	3 ms	9052 KB	Output is correct
23	Correct	2 ms	9052 KB	Output is correct
24	Correct	2 ms	9052 KB	Output is correct
25	Correct	4 ms	9100 KB	Output is correct
26	Correct	2 ms	9052 KB	Output is correct
27	Correct	3 ms	9052 KB	Output is correct
28	Correct	2 ms	9052 KB	Output is correct

Subtask #4
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9052 KB	Output is correct
2	Correct	2 ms	9052 KB	Output is correct
3	Correct	4 ms	9300 KB	Output is correct
4	Correct	2 ms	9052 KB	Output is correct
5	Correct	3 ms	9176 KB	Output is correct
6	Correct	2 ms	9052 KB	Output is correct
7	Correct	2 ms	9052 KB	Output is correct
8	Correct	4 ms	9052 KB	Output is correct
9	Correct	3 ms	9052 KB	Output is correct
10	Correct	3 ms	9052 KB	Output is correct
11	Correct	2 ms	9052 KB	Output is correct
12	Correct	2 ms	9052 KB	Output is correct
13	Correct	2 ms	9056 KB	Output is correct
14	Correct	2 ms	9052 KB	Output is correct
15	Correct	2 ms	9052 KB	Output is correct
16	Correct	3 ms	9308 KB	Output is correct
17	Correct	2 ms	9052 KB	Output is correct
18	Correct	4 ms	9308 KB	Output is correct
19	Correct	2 ms	9052 KB	Output is correct
20	Correct	3 ms	9052 KB	Output is correct
21	Correct	3 ms	9052 KB	Output is correct
22	Correct	3 ms	9052 KB	Output is correct
23	Correct	2 ms	9052 KB	Output is correct
24	Correct	2 ms	9052 KB	Output is correct
25	Correct	4 ms	9100 KB	Output is correct
26	Correct	2 ms	9052 KB	Output is correct
27	Correct	3 ms	9052 KB	Output is correct
28	Correct	2 ms	9052 KB	Output is correct
29	Correct	9 ms	9820 KB	Output is correct
30	Correct	5 ms	9320 KB	Output is correct
31	Correct	9 ms	9308 KB	Output is correct
32	Correct	7 ms	9308 KB	Output is correct
33	Correct	3 ms	9052 KB	Output is correct
34	Correct	6 ms	9308 KB	Output is correct
35	Correct	10 ms	9564 KB	Output is correct
36	Correct	6 ms	9308 KB	Output is correct
37	Correct	7 ms	9084 KB	Output is correct

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9052 KB	Output is correct
2	Correct	2 ms	9052 KB	Output is correct
3	Correct	4 ms	9300 KB	Output is correct
4	Correct	2 ms	9052 KB	Output is correct
5	Correct	3 ms	9176 KB	Output is correct
6	Correct	2 ms	9052 KB	Output is correct
7	Correct	2 ms	9052 KB	Output is correct
8	Correct	4 ms	9052 KB	Output is correct
9	Correct	3 ms	9052 KB	Output is correct
10	Correct	3 ms	9052 KB	Output is correct
11	Correct	2 ms	9052 KB	Output is correct
12	Correct	2 ms	9052 KB	Output is correct
13	Correct	2 ms	9056 KB	Output is correct
14	Correct	2 ms	9052 KB	Output is correct
15	Correct	2 ms	9052 KB	Output is correct
16	Correct	3 ms	9308 KB	Output is correct
17	Correct	2 ms	9052 KB	Output is correct
18	Correct	4 ms	9308 KB	Output is correct
19	Correct	2 ms	9052 KB	Output is correct
20	Correct	3 ms	9052 KB	Output is correct
21	Correct	3 ms	9052 KB	Output is correct
22	Correct	3 ms	9052 KB	Output is correct
23	Correct	2 ms	9052 KB	Output is correct
24	Correct	2 ms	9052 KB	Output is correct
25	Correct	4 ms	9100 KB	Output is correct
26	Correct	2 ms	9052 KB	Output is correct
27	Correct	3 ms	9052 KB	Output is correct
28	Correct	2 ms	9052 KB	Output is correct
29	Correct	9 ms	9820 KB	Output is correct
30	Correct	5 ms	9320 KB	Output is correct
31	Correct	9 ms	9308 KB	Output is correct
32	Correct	7 ms	9308 KB	Output is correct
33	Correct	3 ms	9052 KB	Output is correct
34	Correct	6 ms	9308 KB	Output is correct
35	Correct	10 ms	9564 KB	Output is correct
36	Correct	6 ms	9308 KB	Output is correct
37	Correct	7 ms	9084 KB	Output is correct
38	Correct	1488 ms	140220 KB	Output is correct
39	Runtime error	3522 ms	1048576 KB	Execution killed with signal 9
40	Halted	0 ms	0 KB	-

Subtask #6
0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9052 KB	Output is correct
2	Correct	2 ms	9052 KB	Output is correct
3	Correct	2 ms	9052 KB	Output is correct
4	Correct	2 ms	9052 KB	Output is correct
5	Correct	7 ms	9308 KB	Output is correct
6	Correct	2 ms	9052 KB	Output is correct
7	Correct	2 ms	9052 KB	Output is correct
8	Correct	2 ms	9052 KB	Output is correct
9	Correct	2 ms	9052 KB	Output is correct
10	Correct	2 ms	9052 KB	Output is correct
11	Correct	2 ms	9184 KB	Output is correct
12	Correct	9 ms	9288 KB	Output is correct
13	Correct	30 ms	9568 KB	Output is correct
14	Correct	55 ms	10068 KB	Output is correct
15	Correct	46 ms	9816 KB	Output is correct
16	Execution timed out	5094 ms	18120 KB	Time limit exceeded
17	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	9052 KB	Output is correct
2	Correct	2 ms	9220 KB	Output is correct
3	Correct	3 ms	9052 KB	Output is correct
4	Correct	10 ms	9564 KB	Output is correct
5	Correct	24 ms	9996 KB	Output is correct
6	Correct	4 ms	9052 KB	Output is correct
7	Correct	4 ms	9308 KB	Output is correct
8	Correct	9 ms	9820 KB	Output is correct
9	Correct	1362 ms	140136 KB	Output is correct
10	Runtime error	3738 ms	1048576 KB	Execution killed with signal 9
11	Halted	0 ms	0 KB	-

답안 #935991

Compilation message

Subtask #1 0 / 5.0

Subtask #2 5.0 / 5.0

Subtask #3 16.0 / 16.0

Subtask #4 28.0 / 28.0

Subtask #5 0 / 12.0

Subtask #6 0 / 11.0

Subtask #7 0 / 23.0

Subtask #1
0 / 5.0

Subtask #2
5.0 / 5.0

Subtask #3
16.0 / 16.0

Subtask #4
28.0 / 28.0

Subtask #5
0 / 12.0

Subtask #6
0 / 11.0

Subtask #7
0 / 23.0