Linear search 6 #19

using System;

class Program
{
    static void Main()
    {
        int[] arr = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 }; int target = 6;
        int idx = -1;
        for (int j = 0; j < arr.Length; j++) if (arr[j] == target) { idx = j; break; }
        Console.WriteLine(idx);
    }
}