| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 935992 |
2024-02-29T21:23:34 Z |
TAhmed33 |
Jail (JOI22_jail) |
C++ |
|
5000 ms |
1048576 KB |
#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();
}
| # |
Verdict |
Execution time |
Memory |
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 |
- |
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
- |
| # |
Verdict |
Execution time |
Memory |
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 |
- |
| # |
Verdict |
Execution time |
Memory |
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 |
- |
