Problem 44483. Separate even from odd numbers in a vector - without loops

Shaul Salomon

393 solvers

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Without using loops, rearrange a vector of integers such that the odd numbers appear at the beginning, and even numbers at the end. The order within each group should be preserved.

Examples:

Input:  v = [1, 0, 2, 9, 3, 8, 8, 4]
Output: w = [1, 9, 3, 0, 2, 8, 8, 4]

Input:  v = [2
             7
             0
             3
             2]

Output: w = [7
             3
             2
             0
             2]

Input:  v = []
Output: w = []

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2520 Solutions

393 Solvers

Last Solution submitted on May 29, 2026

Last 200 Solutions

Problem Comments

1 Comment

David Verrelli on 23 May 2018

Hello, Shaul Salomon. I suggest testing for an empty return variable w, rather than requiring w = [], which is not the same thing. See Solution 1538012, which produces a 0×1 empty column vector. —DIV

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