Given a time in HH:MM:SS, find the smallest angle (in degrees) between the hour and minute hand
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!
Summing Digits within Text
Spherical radius given four points
Is it a number?
Project Euler: Problem 16, Sums of Digits of Powers of Two
Next Lower Power of B
Roll the Dice!
Specific Element Count
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