func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long N = 1e3 + 9;   string s;   long long t, h, ans = 1e10;   long long n;   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cin >> n;     cin >> s;     for (int i = 0; i < (n); i++) {       if (s[i] ==  T )         t++;       else         h++;     }     for (int i = 0; i < (n); i++) {       long long cur = i, res = 0;       for (int j = 0; j < (t); j++) {         if (s[cur] !=  T ) res++;         cur = (cur + 1) % n;       }       ans = min(ans, res);     }     cout << ans << endl;   }   