I solved, but the solution is wrong, there is no 60th minute in analog clocks (test case 20). Do not try to use mod until they fix it.
Is the problem proposer serious with the 20th test?
Nice trick with the 222.2 - very clever!
Back and Forth Rows
Replace Vector Elements
Find the logic
N-Dimensional Array Slice
Lychrel Number Test (Inspired by Project Euler Problem 55)
Return the first and last characters of a character array
Test if two numbers have the same digits
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