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!
Remove the vowels
Is X a Fibonacci Matrix?
Maximum value in a matrix
Extra safe primes
Reverse the Words (not letters) of a String
Make a 1 hot vector
First N Perfect Squares
Television Screen Dimensions
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