Rotate a Matrix by -90 degrees
1 2 3
4 5 6
7 8 9
7 4 1
8 5 2
9 6 3
Given a window, how many subsets of a vector sum positive
Duplicate each element of a vector.
Is it a number?
Find nth maximum
Encode Me From The Past
Get all prime factors
Find my daddy long leg (No 's')
Create tangent function out of cosine only
Rotate Matrix Depending on the input
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