Question

How to sort int array by keys array in C#

Answer 1

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] keys =    { 9, 1, 5, 0, 2 };
            int[] numbers = { 1, 2, 3, 4, 5 };

            Array.Sort(keys, numbers);
            Console.WriteLine("array keys");
            foreach (int key in keys)
                Console.Write("{0, 2}", key);
            
            Console.WriteLine("\narray numbers");
            foreach (int value in numbers)
                Console.Write("{0, 2}", value);
        }
    }
}

/*
run:
   
array keys
 0 1 2 5 9
array numbers
 4 2 5 3 1
 
*/

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