algo2017_week3_Scarecrow

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

int main(){
    int T , n , a = 1;
    string s;
    cin >> T;
    while( T-- ){
        int ans = 0;
        cin >> n >> s;
        for( int i = 0 ; i < n ; i++ ){
            if( s[i] == '#' ) continue;
            ++ans;
            i += 2;
        }
        cout << "Case " << (a++) << ": " << ans << endl;
    }
    return 0;
}