func_code_string: #include <bits/stdc++.h>   using namespace std;   char s[1000010];   bool f[1000010];   int main() {     int i, l, ans = 0, ans2 = 0, j, sta;     scanf( %s , &s);     l = strlen(s);     sta = 0;     while (s[sta] == s[(sta + 1) % l]) {       sta = (sta + 1) % l;     }     ++sta;     memset(f, false, sizeof(bool) * l);     i = sta;     while (!f[i]) {       f[i] = true;       i = (i + l - 1) % l;       while (s[(i + l - 1) % l] == s[i]) {         f[i] = true;         i = (i + l - 1) % l;       }       f[i] = true;       i = (i + l - 1) % l;       ++ans;     }     memset(f, false, sizeof(bool) * l);     i = sta;     while (!f[i]) {       f[i] = true;       while (s[(i + 1) % l] == s[i]) {         i = (i + 1) % l;         f[i] = true;       }       f[(i + 1) % l] = true;       i = (i + 2) % l;       ++ans2;     }     printf( %d n , ans < ans2 ? ans : ans2);     return 0;   }   