Programming for Problem Solving
GTU Practical 42
42. Write a program that defines a function to add first n numbers.
#include<stdio.h> ( this applies in the given code )
#include
int getsum(int );
int main(void)
{
int n;
printf(“Enter Any number n = “);
scanf(“%d”,&n);
printf(“\n SUM = %d”,getsum(n));
return 0;
}
int getsum(int n)
{
return ((n*(n+1))/2);
}
OUTPUT
Enter Any number n = 4
SUM = 10
