UVA 10783 - Odd Sum Solution in C++

#include <iostream>

using namespace std;

int main()

{

    int a,b,T;

    int i=0;

    cin>>T;

    while(T>0)

    {

        cin>>a;

        cin>>b;

        int sum=0;

        if(a>b)

        {

            swap(a,b);

        }

        for(; a<=b; a++)

        {

            if(a%2!=0)

            {

                sum += a;

            }

        }

        i++;

        cout<<"Case "<<i<<": "<<sum<<endl;

        T--;

    }

    return 0;

}