Problem 68. Kaprekar Steps

Solution 1233350

Submitted on 18 Jul 2017

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Kwin on 18 Jul 2017

Not all test cases seem to be correct. For example x=3 would imply that the next value should be x=3-3=0, so y_correct=Inf and not 6

Test	Status	Code Input and Output
1	Pass	x = 3276; y_correct = 5; assert(isequal(KaprekarSteps(x),y_correct))
2	Fail	x = 3; y_correct = 6; assert(isequal(KaprekarSteps(x),y_correct)) Assertion failed.
3	Fail	x = 691; y_correct = 7; assert(isequal(KaprekarSteps(x),y_correct)) Assertion failed.
4	Pass	x = 3333; y_correct = Inf; assert(isequal(KaprekarSteps(x),y_correct))
5	Fail	x = 1; y_correct = 5; assert(isequal(KaprekarSteps(x),y_correct)) Assertion failed.
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))