Selection Sort

using System;

namespace ZeroToCSharp {
    class Program {
        static void Main(string[] args) {

            int[] array = new int[6] { 24, 6, 26, 11, 15, 3 };
            int min, temp;
            for (int i = 0; i < array.Length - 1; i++) {
                min = i;
                for (int j = i + 1; j < array.Length; j++) {
                    if (array[j] < array[min])
                        min = j;
                }
                if (array[min] != array[i]) {
                    temp = array[min];
                    array[min] = array[i];
                    array[i] = temp;
                }
            }

            //To print output
            Console.Write("Sorted Array: ");
            for (int i = 0; i < array.Length; i++) {
                Console.Write(array[i] + " ");
            }
            Console.ReadKey();
        }
    }
}

Output:

Sorted Array: 3 6 11 15 24 26