programming-examples/c-sharp/Sorting/C# Program to Perform a Selection Sort.cs

/*
 * C# Program to Perform a Selection Sort
 */
using System;
class Program
{
    static void Main(string[] args)
    {
        int array_size = 10;
        int[] array = new int[10] { 100, 50, 20, 40, 10, 60, 80, 70, 90, 30 };
        Console.WriteLine("The Array Before Selection Sort is: ");
        for (int i = 0; i < array_size; i++)
            {
                Console.WriteLine(array[i]);
            }
        int tmp, min_key;
        for (int j = 0; j < array_size - 1; j++)
            {
                min_key = j;
                for (int k = j + 1; k < array_size; k++)
                    {
                        if (array[k] < array[min_key])
                            {
                                min_key = k;
                            }
                    }
                tmp = array[min_key];
                array[min_key] = array[j];
                array[j] = tmp;
            }
        Console.WriteLine("The Array After Selection Sort is: ");
        for (int i = 0; i < 10; i++)
            {
                Console.WriteLine(array[i]);
            }
        Console.ReadLine();
    }
}

/*
The Array Before Selection Sort is :
100
50
20
40
10
60
80
70
90
30
The Array After Selection Sort is :
10
20
30
40
50
60
70
80
90
100