arrays and pointers

#include<iostream>
using namespace std;
int main(){
int size =100;
char *pointer = new char [size]; 
cout<<"enter the first array: "<<endl;
for(int i=0;i<size && *pointer != '\0';i++){
cin>>*pointer;
  
                 }



char arr[size];
cout<<"enter the second array: "<<endl;
cin.get(arr,size);
for(int i=0;i<size && arr[i] != '\0';i++){


cout<<arr[i];
    }

















return 0;

      }