Return the number of days in a given month in 2017. If the input is not a valid month number, return -1.
Input: m = 1
Outpu: d = 31
Input: m = 2
Output: d = 28
Input: m = 13
Output: d = -1
You cannot use IF statements
Getting the row and column location from a matrix
Who has power to do everything in this world?
Min of a Matrix
Sum of Two Numbers
Remove the air bubbles from a vector
Triangle of numbers
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