## Monday, 20 February 2017

### Number series program

Number Series #1

1 + 2 + 3 + 4 + 5 + ... + n

Output: -
Value of n: 5
Sum: 15

The program for the series is written in C# programming language and will accept a number as input. The loops will iterate based on the number of entry.

 Number series program

Note: If you are new to C# and Console Application. Try to code First C# Program

Note: Read articles on how to use Loops and Conditions.

Let’s find out a simple and easy way to code these pattern.

Practical Implementation:

using System;

namespace patternProblem.Number
{
class Number1
{
static void Main(string[] args)
{
Console.WriteLine("Given series is:");
Console.WriteLine("1 + 2 + 3 + 4 + 5 + ... + n");
Console.WriteLine("----------------------------");
Console.WriteLine();
Console.WriteLine("Enter value of n: ");
Console.WriteLine();
int sum = 0;

Console.WriteLine("-----Output-----");
Console.WriteLine();
for (int i = 1; i <= n; i++)
{
sum = sum + i;
}
Console.WriteLine("Sum of series: " + sum);

}
}
}

Output:
The input number here is 5. So, the program will iterate five times. The output is shown below:

Given series is:
1 + 2 + 3 + 4 + 5 + ... + n
----------------------------

Enter value of n:
5

-----Output-----

Sum of series: 15
Press any key to continue . . .

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