답안 #935992

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
935992	2024-02-29T21:23:34 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) {
			comp.clear();
			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	2 ms	9048 KB	Output is correct
2	Correct	2 ms	9304 KB	Output is correct
3	Correct	2 ms	9052 KB	Output is correct
4	Correct	9 ms	9560 KB	Output is correct
5	Correct	19 ms	9820 KB	Output is correct
6	Correct	3 ms	9052 KB	Output is correct
7	Correct	3 ms	9308 KB	Output is correct
8	Correct	10 ms	9836 KB	Output is correct
9	Correct	1378 ms	140220 KB	Output is correct
10	Runtime error	3344 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	9048 KB	Output is correct
2	Correct	3 ms	9052 KB	Output is correct
3	Correct	3 ms	9052 KB	Output is correct
4	Correct	3 ms	9052 KB	Output is correct
5	Correct	3 ms	9052 KB	Output is correct
6	Correct	4 ms	9052 KB	Output is correct
7	Correct	2 ms	9052 KB	Output is correct
8	Correct	3 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	3 ms	9052 KB	Output is correct
12	Correct	2 ms	9052 KB	Output is correct
13	Correct	3 ms	9060 KB	Output is correct

Subtask #3
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9048 KB	Output is correct
2	Correct	3 ms	9052 KB	Output is correct
3	Correct	3 ms	9052 KB	Output is correct
4	Correct	3 ms	9052 KB	Output is correct
5	Correct	3 ms	9052 KB	Output is correct
6	Correct	4 ms	9052 KB	Output is correct
7	Correct	2 ms	9052 KB	Output is correct
8	Correct	3 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	3 ms	9052 KB	Output is correct
12	Correct	2 ms	9052 KB	Output is correct
13	Correct	3 ms	9060 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	3 ms	9048 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	9048 KB	Output is correct
23	Correct	2 ms	9052 KB	Output is correct
24	Correct	2 ms	9052 KB	Output is correct
25	Correct	3 ms	9052 KB	Output is correct
26	Correct	2 ms	9048 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	9048 KB	Output is correct
2	Correct	3 ms	9052 KB	Output is correct
3	Correct	3 ms	9052 KB	Output is correct
4	Correct	3 ms	9052 KB	Output is correct
5	Correct	3 ms	9052 KB	Output is correct
6	Correct	4 ms	9052 KB	Output is correct
7	Correct	2 ms	9052 KB	Output is correct
8	Correct	3 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	3 ms	9052 KB	Output is correct
12	Correct	2 ms	9052 KB	Output is correct
13	Correct	3 ms	9060 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	3 ms	9048 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	9048 KB	Output is correct
23	Correct	2 ms	9052 KB	Output is correct
24	Correct	2 ms	9052 KB	Output is correct
25	Correct	3 ms	9052 KB	Output is correct
26	Correct	2 ms	9048 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	6 ms	9308 KB	Output is correct
31	Correct	6 ms	9308 KB	Output is correct
32	Correct	9 ms	9308 KB	Output is correct
33	Correct	3 ms	9048 KB	Output is correct
34	Correct	6 ms	9308 KB	Output is correct
35	Correct	10 ms	9572 KB	Output is correct
36	Correct	6 ms	9284 KB	Output is correct
37	Correct	8 ms	9304 KB	Output is correct

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9048 KB	Output is correct
2	Correct	3 ms	9052 KB	Output is correct
3	Correct	3 ms	9052 KB	Output is correct
4	Correct	3 ms	9052 KB	Output is correct
5	Correct	3 ms	9052 KB	Output is correct
6	Correct	4 ms	9052 KB	Output is correct
7	Correct	2 ms	9052 KB	Output is correct
8	Correct	3 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	3 ms	9052 KB	Output is correct
12	Correct	2 ms	9052 KB	Output is correct
13	Correct	3 ms	9060 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	3 ms	9048 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	9048 KB	Output is correct
23	Correct	2 ms	9052 KB	Output is correct
24	Correct	2 ms	9052 KB	Output is correct
25	Correct	3 ms	9052 KB	Output is correct
26	Correct	2 ms	9048 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	6 ms	9308 KB	Output is correct
31	Correct	6 ms	9308 KB	Output is correct
32	Correct	9 ms	9308 KB	Output is correct
33	Correct	3 ms	9048 KB	Output is correct
34	Correct	6 ms	9308 KB	Output is correct
35	Correct	10 ms	9572 KB	Output is correct
36	Correct	6 ms	9284 KB	Output is correct
37	Correct	8 ms	9304 KB	Output is correct
38	Correct	1381 ms	140168 KB	Output is correct
39	Runtime error	3289 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	9048 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	9052 KB	Output is correct
12	Correct	6 ms	9304 KB	Output is correct
13	Correct	29 ms	9560 KB	Output is correct
14	Correct	56 ms	10064 KB	Output is correct
15	Correct	46 ms	9732 KB	Output is correct
16	Execution timed out	5073 ms	18172 KB	Time limit exceeded
17	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9048 KB	Output is correct
2	Correct	2 ms	9304 KB	Output is correct
3	Correct	2 ms	9052 KB	Output is correct
4	Correct	9 ms	9560 KB	Output is correct
5	Correct	19 ms	9820 KB	Output is correct
6	Correct	3 ms	9052 KB	Output is correct
7	Correct	3 ms	9308 KB	Output is correct
8	Correct	10 ms	9836 KB	Output is correct
9	Correct	1378 ms	140220 KB	Output is correct
10	Runtime error	3344 ms	1048576 KB	Execution killed with signal 9
11	Halted	0 ms	0 KB	-

답안 #935992

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