Rotate a Matrix by -90 degrees
1 2 3
4 5 6
7 8 9
7 4 1
8 5 2
9 6 3
Find the numeric mean of the prime numbers in a matrix.
Test if two numbers have the same digits
Duplicate a character
Square the input
Create cosine function out of sine
Encode Me From The Past
Convert decimal to binary and then generate the minimum binary it can with jumbling
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