Question

How to move all zeros in int array to the end with C#

Answer 1

using System;

class Program
{
    static void move_zeros_to_end(int[] arr) { 
        int j = 0, len = arr.Length;

        for (int i = 0; i < len; i++) 
            if (arr[i] != 0) 
                arr[j++] = arr[i];  

        while (j < len) 
            arr[j++] = 0; 
    } 
    static void Main()
    {
        int[] arr = {0, 3, 4, 0, 6, 0, 0, 8, 9, 0}; 

        move_zeros_to_end(arr); 

        for (int i = 0; i < arr.Length; i++) 
            Console.Write(arr[i] + " "); 
    }
}


/*
run:

3 4 6 8 9 0 0 0 0 0 

*/

 

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