func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int ar[500009], br[500009];   int main() {     long long int a, b, c, i, j = 0, k = 9999999999999;     string s;     cin >> a;     getchar();     cin >> s;     for (i = 0; i < a; i++) {       cin >> ar[i];     }     for (i = 0; i < a - 1; i++) {       if (s[i] ==  R  && s[i + 1] ==  L ) {         k = min(k, (ar[i + 1] - ar[i]));       }     }     if (k == 9999999999999) {       cout <<  -1 ;     } else       cout << (k / 2) << endl;   }   