func_code_string: #include <bits/stdc++.h>   using namespace std;   int lower_case[26] = {0}, upper_case[26] = {0};   char buf[100010];   int main() {     scanf( %s , buf);     int len = strlen(buf);     for (int i = 0; i < len; i++) {       if (buf[i] <=  Z )         upper_case[buf[i] -  A ]++;       else         lower_case[buf[i] -  a ]++;     }     int best = 100010;     best = min(best, lower_case[ a  -  a ] / 2);     best = min(best, upper_case[ b  -  a ]);     best = min(best, lower_case[ b  -  a ]);     best = min(best, lower_case[ u  -  a ] / 2);     best = min(best, lower_case[ l  -  a ]);     best = min(best, lower_case[ s  -  a ]);     best = min(best, lower_case[ r  -  a ]);     printf( %d n , best);   }   