public static long Solution()
{
long solution = 0;
for (int i = 0; i <= limit; i++)
{
solution += UtilityFunctions.Choose(limit - i + 1, i);
}
return(solution);
}
public static double Solution()
{
return(7 * (1 - UtilityFunctions.Choose(60, 20) / (double)UtilityFunctions.Choose(70, 20)));
//return ExpectedBalls(0,0);
}