Question

How to find the sum of a sequence of numbers using Linq in C#

Answer 1

using System;
using System.Linq;

class Program {
   static void Main(string[] args) {
        int[] arr = { 1, 2, 3, 4, 5, 6 };
   
        int sum = arr.Aggregate((x, y) => x + y);
   
        Console.WriteLine(sum);
   }
}



/*
run:

21

*/

 

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Answer 2

using System;
using System.Linq;
using System.Collections.Generic;
 
class Program {
   static void Main(string[] args) {
        List<int> list = new List<int>() { 3, 2, 7, 1, 8 };   
        
        int sum = list.Aggregate((x, y) => x + y);
   
        Console.WriteLine(sum);
   }
}



/*
run:

21

*/

 

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