Write a program to print the sum of the series 1+2+3+4+... up to n terms.

C Programming Language / Loop control in C Language

1617

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Program:

#include <stdio.h>
int main()
{
	int c, s=0, n;
	printf("\n Enter the No. of terms ");
	scanf("%d", &n);
	for(c=1;c<=n; c++)
		s+=c;
	printf("\n Sum is %d", s);
	
	getch();
	return 0;
}

Output:

 Enter the No. of terms 6

 Sum is 21

Explanation:

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