ADDRESS CALCULATION FUCTION FOR 2-D ARRAY

QUES:-
Verify the address calculation function for 2-D array and verify
ANS:-
/******************************************************************************/
#include<stdio.h>
#include<conio.h>

#define cols 10
#define rows 10

int main()
{
    int arr[rows][cols];
    int r,c;
    unsigned int cal_add,base_add;

    clrscr();
    printf("ENTER THE ROW NUMBER (between 0-9):\n");
    scanf("%d",&r);
    printf("ENTER THE COLUMN NUMBER (between 0-9): \n");
    scanf("%d",&c);

    printf("\nActual Address = %u",&arr[r][c]);

    base_add=(unsigned int)arr;
    /* row major order */
    cal_add=base_add+ (r*cols + c)*sizeof(int);

    printf("\nCalculated address = %u",cal_add);

    getch();
    return 0;
}

/******************************************************************************/