Easy csharp

Linear search 4 #44

Problem

Index of 4 or -1.

Hints

Loop compare

Your practice code

Ready — edit the code above and click Run.

Solution

using System;

class Program
{
    static void Main()
    {
        int[] arr = { 2, 4, 6, 8, 10, 12, 14, 16 }; int target = 4;
        int idx = -1;
        for (int j = 0; j < arr.Length; j++) if (arr[j] == target) { idx = j; break; }
        Console.WriteLine(idx);
    }
}

Try solving on your own first, then reveal the official answer.

Explanation

Linear search O(n).

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