Use Aggregate Operators: Count : Count « LINQ « C# / C Sharp

1. C# / C Sharp
2. LINQ
3. Count

Use Aggregate Operators: Count

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

public class MainClass {
    public static void Main() {
        int[] factorsOf300 = { 2, 2, 3, 5, 5 };

        int uniqueFactors = factorsOf300.Distinct().Count();

        Console.WriteLine("There are {0} unique factors of 300.", uniqueFactors);
    }
}

 

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