Question

The function printDigitSum(int *arr, int LENGTH) accepts an array arr and an integer LENGTH
as the size of arr. It is supposed to print the sum of digits of each integer in the array
separated by a comma.​

Answer 1

Answer:

The function printDigitSum(int *arr, int LENGTH) accepts an array arr ... sum of digits of each integer in the array separated by a comma

Explanation:

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Answer 2

Program is given below.

Explanation:

#include <stdio.h>

int printDigitSum(int *arr, int LENGTH)

{

int n, sum, remainder,i;

printf("The sum of digits of each integer in the array is: \n");

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

{

sum = 0;

n = arr[i];

  while (n != 0)

  {

    remainder = n % 10;

     sum = sum + remainder;

     n = n / 10;

  }  

  if(i==LENGTH-1)

  printf("%d",sum);

  else

  printf("%d, ",sum);

}

}

int main() {

   int arr[10],length,i;

   printf("Enter the length or size of the array: ");

   scanf("%d",&length);

   printf("Enter the elements into the array:\n");

   for(i=0;i<length;i++)

   {

       scanf("%d",&arr[i]);

   }

   printDigitSum(&arr, length);

   return 0;

}

Refer the attached image for the output.