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Problem 431. Sorting

Created by Yvan Lengwiler

Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column.

Example:

 Input  = [1 2 3 4 5;
           4 3 1 2 2]'
 Output = [3 4 5 2 1]'

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Solution Statistics

158 correct solutions 118 incorrect solutions
Last solution submitted on Aug 14, 2014

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