29. Reset Fault Buffer

#include <iostream>
using namespace std;

int main() {
    int code;
    cin >> code;

   int* ptr= new int;
   *ptr=code;
    cout<<*ptr<<" ";
 
    delete ptr;
    ptr=nullptr;

    if(ptr==nullptr){
       cout<<"OK";
    }else{
        cout<<"NOT_OK";
    }
    

    return 0;
}