C Program to find sum of N numbers

 C Program to find sum of N numbers

Program:-

#include<stdio.h>

#include<conio.h>

int sum(int);

int main()

{

int num,s;

printf("enter value of n:");

scanf("%d",&num);

s = sum(num);

printf("sum of %d numbers = %d\n", num, s);

}

int sum(int num)

{

int i,sum=0;

for(i=0;i<=num;i++)

{

sum = sum + i;

 }

return sum;

}

Output:

enter value of n: 5

sum of %d numbers =15