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.
Nice trick with the 222.2 - very clever!
random picture with random colours
Replace May with April
Sort numbers by outside digits
Who invented zero?
Parse me a Lisp
Lychrel Number Test (Inspired by Project Euler Problem 55)
Project Euler: Problem 16, Sums of Digits of Powers of Two
Next Lower Power of B
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