To find the address of 1-D array element

To find the address of 1-D array element

/*To find the location of targeted arr[i] entered by the user.
Address of array[j] =  Base Address +2 (Row or Column subscript-Lower limit of Row/column)    */

#include <stdio.h>  // header files
#include <stdlib.h>

int main()    // main function starts from here 
{
 long int arr[100],BA,i,j,lb,n,Lc,ch;  // variable declaration
 lb=0;  // variable initialization
 
 printf("\n Enter the size of integer type arary that you are going to enter\n");
 scanf("%d",&n);  // taking input as lenth of array 

 printf("\n Enter the elemets\n");
 for(i=0;i<n;i++)
 scanf("%d",&arr[i]);

 printf(" Your entered array elemets are-\n"); // printing the array elements
 for(i=0;i<n;i++)
 printf("\t %d",arr[i]);

 printf(" \n Choose an array element to find it's address\n");
 scanf("%d",&ch);  // taking input as a target element

 for(i=0;i<n;i++)   // loop 
  {
   if(arr[i]==ch)   // checking equality
   j=i;
  }

 BA=arr;

 printf(" \n Base address of this array by program itself calculation  is:%d\n",BA);

 Lc=(BA+(2*(j-lb)));  // formula for 1-D array address calculation
 printf("\nLocation of array element %d is :",ch);
 printf("%d",Lc);  

return 0;
}  // end of main function

RESULT: Output

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