C++ pointer arithmetic
#include <iostream>
using namespace std;
const int MAX = 3;
int main () {
int var[MAX] = {10, 100, 200};
int *ptr;
// let us have array address in pointer.
ptr = var;
for (int i = 0; i < MAX; i++) {
cout << "Address of var[" << i << "] = ";
cout << ptr << endl;
cout << "Value of var[" << i << "] = ";
cout << *ptr << endl;
// point to the next location
ptr++;
}
return 0;
}
4.67
3
#include <stdio.h>
const int MAX = 3;
int main () {
int var[] = {10, 100, 200};
int i, *ptr;
/* let us have array address in pointer */
ptr = &var[MAX-1];
for ( i = MAX; i > 0; i--) {
printf("Address of var[%d] = %x\n", i-1, ptr );
printf("Value of var[%d] = %d\n", i-1, *ptr );
/* move to the previous location */
ptr--;
}
return 0;
}
Thank you!
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