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!
Which doors are open?
Summing Digits within Text
Back to basics 22 - Rotate a matrix
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Next Lower Power of B
Test if two numbers have the same digits
Give the Shortest Path Through The Maze
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