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 all the words that end with "ain"
Numbers with prime factors 2, 3 and 5.
Getting the row and column location from a matrix
Find the next prime number
Solving Quadratic Equations (Version 1)
Great Circle Distance
Number of Circles in a Number
Triangle Numbers Below N
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