제출 #569976

#제출 시각아이디문제언어결과실행 시간메모리
569976saarang123Jail (JOI22_jail)C++17
0 / 100
1 ms324 KiB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
std::mt19937 rng((int) std::chrono::steady_clock::now().time_since_epoch().count());

void solve() {
	int n; cin >> n;
	for(int u, v, i = 1; i < n; i++) 
		cin >> u >> v;
	int m; cin >> m;
	vector<array<int, 2>> a(m);
	for(auto &[u, v] : a)
		cin >> v >> u;
	cout << "Yes" << '\n';
}

signed main() {
    std::ios::sync_with_stdio(0);
    std::cin.tie(0);
    int tc; cin >> tc;
    while(tc--)
    	solve();
    return 0;
}
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