Standard | Simple Dosh Adder

#include <iostream>
using namespace std;

int main()
{
    char endstate = 0;
    int lv = 0;
    int total = 0;

    cout << "Enter amount in coins, then hit Return to add to total." << endl
         << "Enter a negative number to subtract it from the total." << endl
         << "Enter '0' once to check running total." << endl
         << "Enter '0' again to end program." << endl<<endl;

    while( endstate != 2 )
    {
        cin >> lv;
        if( lv == 0 )
        {
            if( endstate == 1 )
                endstate = 2;
            else
            {
                endstate = 1;
                int totalcoins = abs( ((float)total/100 - total/100)*100 );
                cout << "Total: " << total/100 << "." << (totalcoins<10?"0":"") << totalcoins << endl;
            }
        }
        else
        {
            if( endstate != 0 ) endstate = 0;
            total += lv;
        }
    }

    return 0;
}