A problem must detail what needs to be done in its description. There is not only one way to do what's requested. You should probably add more test cases too, at least 5, to avoid lookup table solutions.
Increment a number, given its digits
562 Solvers
Replace Nonzero Numbers with 1
179 Solvers
1226 Solvers
Height of a right-angled triangle
449 Solvers
134 Solvers
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