View Code of Problem 118

#include <iostream>
#include <cstdio>
using namespace std;
int main(){
    int n,k=1;
    double sum=0.0;
    while(cin>>n){
        if(n<=3){
            cout<<"Case #"<<k++<<": 5"<<endl;
        }
        else{
            sum=(n-3)*1.5+5;
            if(n%2==0)
                cout<<"Case #"<<k++<<": "<<sum+0.5<<endl;
            else
                cout<<"Case #"<<k++<<": "<<sum<<endl;
        }
    }
    return 0;
}