CodeChef (HS08TEST)


Question:
http://www.codechef.com/problems/HS08TEST/

Solutions:


#include <stdio.h>
#include <math.h>

int main ()
{
    double x;
    double y;

    scanf ("%lf %lf", &x, &y);

    if ( fmod (x, 5) != 0 )
    printf ("%.2lf\n", y);

    else {
        x += 0.5;

        if ( y - x >= 0 )
        printf ("%.2lf\n", y - x);

        else
        printf ("%.2lf\n", y);
    }

    return 0;
}

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