subtract from array using pointers c++
#include<iostream>
int main()
{
// [0], [1], [2], [3], [4]
char array_my_name [] {"amir"}; // a, m i r null
char *char_ptr1{nullptr};
char *char_ptr2{nullptr};
char_ptr1 = &array_my_name[1];
char_ptr2 = &array_my_name[3];
//amir
std::cout<<"in the string, "<< array_my_name
//r 2
<<"the charachter "<<*char_ptr2<<" is "<<(char_ptr2-char_ptr1)
//m
<<"charchters away from "<<*char_ptr1<<std::endl;
return 0;
}