29. Reset Fault Buffer

#include <iostream>
using namespace std;

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

    // Write your safe delete + pointer reset logic here
    int *x=new int;
    *x=code;
    cout<<*x;
    delete x;
    x = nullptr;
    if(x==nullptr){
        cout<<" OK";
    }
    else{
        cout<<" NOT_OK";
    }

    return 0;
}