Check if a matrix is a palindrome both vertically and horizontally.
You function will return true for [1,2,1] or [2,7,2; 6,9,6; 2,7,2] . But it should return false for [1,2,3] or [2,7,2; 6,9,6; 3,5,3] .
655 Solvers
Given an unsigned integer x, find the largest y by rearranging the bits in x
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Omit columns averages from a matrix
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Area of an equilateral triangle
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