UVA - 10683 .cpp file

#include<bits/stdc++.h>
using namespace std;

int main()
{
    char str[10];
    while(cin>>str)
    {
        int sec  = ( (str[0] - '0') * 10 + (str[1] - '0') ) * 60 * 60 * 100;
        sec += ( (str[2] - '0') * 10 + (str[3] - '0') ) * 60 * 100;
        sec += ( (str[4] - '0') * 10 + (str[5] - '0') ) * 100;
        sec += ( (str[6] - '0') * 10 + (str[7] - '0') );

        printf("%07d\n", (sec * 125) / 108);
    }
    return 0;
}