func_code_string: #include <bits/stdc++.h>   using namespace std;   long long n, j, i, l, t, k, x, y;   string s, a[10000001];   int main() {     cin >> n >> s;     for (i = 1; i < n; i++)       for (j = 0; j < n - i; j++) {         t++;         for (l = 0; l <= i; l++) {           a[t] += s[j + l];         }       }     for (i = 1; i <= t; i++) {       x = 0;       y = 0;       for (j = 0; j < a[i].size(); j++)         if (a[i][j] ==  U )           y++;         else if (a[i][j] ==  D )           y--;         else if (a[i][j] ==  L )           x--;         else if (a[i][j] ==  R )           x++;       if (x == 0 && y == 0) k++;     }     cout << k;     return 0;   }   