func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int power(long long int a, long long int b) {     long long int res = 1;     a %= 1000000007;     assert(b >= 0);     for (; b; b >>= 1) {       if (b & 1) res = res * a % 1000000007;       a = a * a % 1000000007;     }     return res;   }   long long int modInverse(long long int a) { return power(a, 1000000007 - 2); }   const int N = 500023;   bool vis[N];   vector<int> adj[N];   void solve() {     long long int n, m;     cin >> n >> m;     string s;     cin >> s;     s =  &  + s;     map<long long int, long long int> repeat;     for (long long int i = 0; i < m; i++) {       long long int c;       cin >> c;       repeat[c]++;     }     long long int cnt[28] = {0};     long long int final[28] = {0};     for (int i = 1; i <= n; i++) {       cnt[s[i] -  a ]++;       final[s[i] -  a ]++;       for (int j = 0; j < 26; j++) {         final[j] += (cnt[j] * repeat[i]);       }     }     for (int i = 0; i < 26; i++) {       cout << final[i] <<    ;     }     cout <<   n ;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int T = 1;     cin >> T;     int t = 0;     while (t++ < T) {       solve();     }     cerr <<  Time :   << 1000 * ((double)clock()) / (double)CLOCKS_PER_SEC          <<  ms n ;   }   