public static Result Collatz(Problem arguments)
{
long target = arguments.LongNumber;
long chainLength = 0;
long maxLength = -1;
long start = 1;
long selected = 0;
while (start < target)
{
chainLength = UtilityMath.CollatzChain(start);
if (chainLength > maxLength)
{
maxLength = chainLength;
selected = start;
}
start++;
}
var m = string.Format("The longest chain ({0}) produced by a number under {1} is by {2}", maxLength, target, selected);
var r = new Result(arguments.Id, m);
return(r);
}
