Write a C program to find the sum and average of array elements

Description: Take 5 numbers and store them in an array. Print the sum and the average.

Hint:

• Use a loop to read each element and add it to a sum variable.

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C program to find the sum and average of an array

#include <stdio.h>

int main(void) {
    int a[5], sum = 0;

    printf("Enter 5 numbers: ");
    for (int i = 0; i < 5; i++) {
        scanf("%d", &a[i]);
        sum += a[i];
    }
    printf("Sum = %d\n", sum);
    printf("Average = %.2f\n", sum / 5.0);
    return 0;
}

Output:

How it works

• The loop reads the numbers into a[0] to a[4], and adds them to sum.
• We divide by 5.0 to get the decimal average.

Read C Arrays.

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