Rotate a Matrix by -90 degrees
1 2 3
4 5 6
7 8 9
7 4 1
8 5 2
9 6 3
Set some matrix elements to zero
Basic arrays operations.
Create a Matrix of Zeros
Calculate some equation
Maximum sum from any 2 numbers with a variable number of inputs
Get all prime factors
Some tweaks in summation, Can you decode? :)
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