Sep 30, 2011

C Program: Array Summation Using Pointers

Arrays in C.
Write a C program to read N integers and store them in an array A, and so find the sum of all these elements using pointer. Output the given array and and the computed sum with suitable heading. Read more about C Programming Language .
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#include <stdio.h>
#include <conio.h>
#include <malloc.h>

void main()
{
 int i,n,sum=0;
 int *a;

 clrscr();

 printf("Enter the size of array A\n");
 scanf("%d", &n);

 a=(int *) malloc(n*sizeof(int));   /*Dynamix Memory Allocation */

 printf("Enter Elements of First List\n");
 for(i=0;i<n;i++)
 {
  scanf("%d",a+i);
 }

 /*Compute the sum of all elements in the given array*/
 for(i=0;i<n;i++)
 {
  sum = sum + *(a+i);
 }

 printf("Sum of all elements in array = %d\n", sum);

}     /* End of main() */
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