Given an array A of non-negative integers, return an array consisting of all the even elements of A, followed by all the odd elements of A.You may return any answer array that satisfies this condition.
An array is monotonic if it is either monotone increasing or monotone decreasing.
Alice and Bob have candy bars of different sizes: A[i] is the size of the i-th bar of candy that Alice has, and B[j] is the size of the j-th bar of candy that Bob has.
Given a matrix A, return the transpose of A.The transpose of a matrix is the matrix flipped over it’s main diagonal, switching the row and column indices of the matrix.
In a row of seats, 1 represents a person sitting in that seat, and 0 represents that the seat is empty. There is at least one empty seat, and at least one person sitting.
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