C#: Find out the sum of in A.P. series
C# Sharp For Loop: Exercise-49 with Solution
Write a C# Sharp program to find out the sum of the Arithmetic Progress series.

Sample Solution:-
C# Sharp Code:
using System;
public class Exercise49
{
public static void Main()
{
int n1,df,n2,i,ln;
int s1=0;
Console.Write("\n\n");
Console.Write("Find out the sum of in A.P. series:\n");
Console.Write("-------------------------------------");
Console.Write("\n\n");
Console.Write("Input the starting number of the A.P. series: ");
n1 = Convert.ToInt32(Console.ReadLine());
Console.Write("Input the number of items for the A.P. series: ");
n2 = Convert.ToInt32(Console.ReadLine());
Console.Write("Input the common difference of A.P. series: ");
df = Convert.ToInt32(Console.ReadLine());
s1 = ( n2 * ( 2 * n1 + ( n2 -1 ) * df ) )/ 2;
ln = n1 + (n2-1) * df;
Console.Write("\nThe Sum of the A.P. series are : \n");
for(i=n1;i<=ln; i= i + df ){
if (i != ln)
Console.Write("{0} + ",i);
else
Console.Write("{0} = {1} \n\n",i,s1);
}
}
}
Sample Output:
Find out the sum of in A.P. series: ------------------------------------- Input the starting number of the A.P. series: 0 Input the number of items for the A.P. series: 10 Input the common difference of A.P. series: 5 The Sum of the A.P. series are : 0 + 5 + 10 + 15 + 20 + 25 + 30 + 35 + 40 + 45 = 225
Flowchart:

C# Sharp Code Editor:
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