Programming Examples

Java program to find the sum of the following series


Write a program to find the sum of the following series:

S=1+(1+2)+(1+2+3)+(1+2+3+4)+(1+2+3+4+5)+…+(1+2+3+4+…+10)

(Please note that no nested loop is to be used)

Solution

import java.util.*;
class SUM
{
	public static void main(String arr[])
	{
		int i,s=0,p=0;
		for(i=1;i<=10;i++)
		{
			p=p+i;
			s=s+p;
		}
		System.out.println("Sum="+s);
	}	
}
Output

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