Given an unsigned integer x, find the largest y by rearranging the bits in x
Reindex a vector
Given a 4x4 matrix, swap the two middle columns
Find the square of the sum of the digits of a number
Rotate a matrix for 180 degree
find a specific element from an matrix
modulus of a number
find the mean of all elements in a matrix
first element of matrix
Find the last digit
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