This website completely moved to new platform. For latest content, visit www.programmingposts.com

Search this Site

19 Feb 2013

C# Program To Print Sum Of Series 1+2+3+..+n

c# program to print sum of series 1+2+3+....+n



 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
using System;

namespace SumOfSeries
{
    class Program
    {
        static void Main(string[] args)
        {
            int sum = 0, i, n;
            Console.WriteLine("\n>>> C# Program to print Sum of Series 1+2+3+..+n <<<\n");
            Console.Write("\n Enter the number of terms:");
            n=Convert.ToInt32(Console.ReadLine());
            for (i = 1; i <= n; i++)
            {
                sum += i;
            }
            Console.WriteLine("\n Sum of series upto  {0} is : {1}", n, sum);
            Console.ReadLine();

        }
    }
}

Output: