Program that defines a function to add first n numbers

Question

Write a program that defines a function to add first n numbers using C programming

Answer 1

Function to Add First n Numbers

In this program we are going to use function to add first n numbers from zero to n using C programming.

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Example :

#include<stdio.h> #include<conio.h> //Declaration of addN() funtion int addN(int x); void main() { int x; clrscr(); printf("\nEnter a number:"); scanf("%d",&x); //calling addN() function printf("\nSum of first %d Numbers = %d",x,addN(x)); getch(); } //Definition o addN() function int addN(int n) { int i,sum=0; for(i=1;i<=n;i++) sum+=i; return sum; }

Output :

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