Easy csharp

Count occurrences of element

Problem

Count how many times 7 appears in { 3, 7, 7, 2, 7, 1 }.

Hints

Increment a counter when arr[i] equals target.

Your practice code

Ready — edit the code above and click Run.

Solution

using System;

class Program
{
    static void Main()
    {
        int[] arr = { 3, 7, 7, 2, 7, 1 };
        int target = 7;
        int count = 0;
        foreach (var x in arr)
            if (x == target) count++;
        Console.WriteLine(count);
    }
}

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

Explanation

Linear scan. LINQ: arr.Count(x => x == target).

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