func_code_string: #include <bits/stdc++.h>   const long long int mod = 1000000007;   const long long int AM = 2e5 + 5;   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     ;     long long int t;     cin >> t;     while (t--) {       long long int n;       cin >> n;       string s[n + 1];       for (__typeof(0) i = 0; i < n; ++i) cin >> s[i];       long long int cnt[200] = {0};       for (__typeof(0) i = 0; i < n; ++i) {         for (__typeof(0) j = 0; j < s[i].size(); ++j) {           cnt[s[i][j] -  a ]++;         }       }       long long int flag = 1;       for (__typeof(0) i = 0; i < 26; ++i) {         if (cnt[i] % n != 0) flag = 0;       }       if (flag)         cout <<  YES n ;       else         cout <<  NO n ;     }   }   