Codecraft-17 and Codeforces Round #391 A solution

#include <bits/stdc++.h>
using namespace std;

int main(){
    string str;
    cin.sync();
    getline(cin, str);
    int len = str.length();
    string bulb = "Bulbasaur";
    int ara[7] = {0, 0, 0, 0, 0, 0, 0};
    for(int i = 0; i < len; i++){
        if(str[i] == 'B') ara[0]++;
        if(str[i] == 'l') ara[1]++;
        if(str[i] == 'b') ara[2]++;
        if(str[i] == 's') ara[3]++;
        if(str[i] == 'r') ara[4]++;
        if(str[i] == 'a') ara[5]++;
        if(str[i] == 'u') ara[6]++;
    }
    ara[5] = ara[5]/2;
    ara[6] = ara[6]/2;

    int pokemon = ara[0];
    for(int i = 0; i < 7; i++){
        if(ara[i] < pokemon){
            pokemon = ara[i];
        }
    }
    cout << pokemon << endl;
    return 0;
}