Problem 68. Kaprekar Steps

Solution 1431612

Submitted on 1 Feb 2018 by Chuck Saunders

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Chuck Saunders on 1 Feb 2018

This has been the lamest test so far. You need to pad the numbers with zeros to build it up to be a 4 digit number. Not explained in the rules.

Test	Status	Code Input and Output
1	Pass	x = 3276; y_correct = 5; assert(isequal(KaprekarSteps(x),y_correct))
2	Pass	x = 3; y_correct = 6; assert(isequal(KaprekarSteps(x),y_correct))
3	Pass	x = 691; y_correct = 7; assert(isequal(KaprekarSteps(x),y_correct))
4	Pass	x = 3333; y_correct = Inf; assert(isequal(KaprekarSteps(x),y_correct))
5	Pass	x = 1; y_correct = 5; assert(isequal(KaprekarSteps(x),y_correct))
6	Pass	x = 6174; y_correct = 0; assert(isequal(KaprekarSteps(x),y_correct))
7	Pass	x = 1234; y_correct = 3; assert(isequal(KaprekarSteps(x),y_correct))
8	Pass	x = 3141; y_correct = 5; assert(isequal(KaprekarSteps(x),y_correct))
9	Pass	x = 8080; y_correct = 6; assert(isequal(KaprekarSteps(x),y_correct))