/** C PROGRAM TO FIND THE AVERAGE OF MARKS USING FUNCTION **/
#include<stdio.h>
#include<conio.h>
#define MAX 100 //maximum size of array is 100
int marks[MAX]; //function declaration
int CalculateAverage(int);
main()
{
int i,n;
int average;
printf(">>> program to find average of marks using
function <<<");
printf("\n\n Enter the Number of Subjects: ");
scanf("%d",&n); //taking input from user
printf("\n Enter the %d Subjects Marks: ",n);
for(i=0;i<n;i++)
{
printf("\n subject[%d]:",i+1);
scanf("%d",&marks[i]);
//taking input all the marks using for loop
}
average=CalculateAverage(n); //calling function
printf("\n The Average Of Marks is: %d ",average);
getch();
}
int CalculateAverage(int no) //function body
{
int avg;
int sum=0;
int i;
for(i=0;i<no;i++)
{
sum = sum + marks[i]; //Adding all marks to get sum
}
avg=sum/no; //calculating average
return avg;
}
Output: ( using GNU GCC Compiler with code::blocks IDE )
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-Sameer