View Code of Problem 96

#include<iostream>
#include<string>
#include<cmath>
using namespace std;
int main()
{
    long long val;
    int n;
    string sk;
    while( cin>>n>>sk )
    {
        val=0;
        if( n==0 )break;
        if( sk =="TB")
        {
            val=n*(pow(1024,4)-pow(1000,4));

        }else if (sk == "GB")
        {
            /* code */
            val=n*(pow(1024,3)-pow(1000,3));
        }
        else if (sk == "MB")
        {
            /* code */
            val=n*(pow(1024,2)-pow(1000,2));
        }else if (sk == "KB")
        {
            /* code */
            val=n*24;
        }
              
        cout<<val<<endl;
    }
}