likecs

#include <bits/stdc++.h>
using namespace std;

int main() {
	int t, n;
	string s;
	cin >> t;
	while(t--) {
		cin >> n;
		map<string, int> mp;

likecs

#include <bits/stdc++.h>
using namespace std;

const int MAX = 1e5 + 5;
const int MOD = 1e9 + 7;

long long a[MAX];

int main() {
	a[0] = 1;