func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int N;     cin >> N;     string inst;     cin >> inst;     int total = 0;     for (int i = 0; i < N; i++) {       for (int j = i + 1; j < N; j++) {         int ct_u = 0;         int ct_l = 0;         for (int k = i; k <= j; k++) {           if (inst[k] ==  U ) {             ct_u++;           } else if (inst[k] ==  D ) {             ct_u--;           } else if (inst[k] ==  L ) {             ct_l--;           } else if (inst[k] ==  R ) {             ct_l++;           }         }         if (ct_u == 0 && ct_l == 0) total++;       }     }     cout << total << endl;     return 0;   }   