洛谷CF1744A题解

// LUOGU_RID: 91222907
#include<iostream>
using namespace std;
void s() {
	int n;
	cin >> n;
	int z[n];

	for (int i = 0; i < n; i++) cin >> z[i];

	string st;
	cin >> st;
	int map[55];

	for (int i = 0; i < 55; i++) map[i] = -1;

	for (int i = 0; i < n; i++) {
		if (map[z[i]] == -1) {
			map[z[i]] = st[i] - 'a';
		} else {
			if (map[z[i]] != st[i] - 'a') {
				cout << "NO" << endl;
				return;
			}
		}
	}

	cout << "YES" << endl;
}
int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int n;
	cin >> n;

	while (n--) {
		s();
	}

	return 0;
}