UVA 12405 .txt

#include <iostream>
using namespace std;
int main()
{
    int ca,n,c;
    int p=0;
    string arr;

    c=0;
   cin>>ca;
   while(ca--)
   {
       cin>>n;

     cin>>arr;
    c=0;

    for(int k=0;k<arr.size();)
    {
        if(arr[k]=='#')
        {
            k++;}

        else{

            c++;
            k=k+3;
        }

    }
    cout<<"Case "<<++p<<" : "<<c<<"\n";

   }

}