Find Sum and Average of an Array Using the Pointer in C

Learn about Find Sum and Average of an Array Using the Pointer in C in the below code example. Also refer the comments in the code snippet to get a detailed view about what’s actually happening.

Contents

C program to find Sum and Average of an Array Using the Pointer

here, we develop program that takes the end-input user’s for the array of numbers and compute the sum and average. Display the results on the screen later. To execute all of these activities, we use the pointer.

#include<stdio.h>
int main()
{
    float x[5], sum=0.0, avg;
    int i;
    float *px, *psum, *pavg;
    px = &x[0];  //  Or, px = &x;
    psum = &sum, pavg = &avg;
    printf("Enter array Elements: ");
    for (i=0;i<5;i++)
    {
        scanf("%f",(px+i));
        *psum += *(px + i);
    }
    *pavg = *psum / 5;
    printf("Sum of elements = %.2f \t Average of elements= %.2f\n", *psum, *pavg);
    return 0;
}

Output:

Enter array Elements: 3
56
46
32
11
Sum of elements = 148.00 Average of elements= 29.60

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