29. Reset Fault Buffer

#include <iostream>
using namespace std;

int main() {
    int code;
    cin >> code;
    int *codePointer = new int(code);
    cout << *codePointer;
    delete codePointer;
    codePointer = nullptr;
    if(codePointer == nullptr){
        cout << " OK";
    }else{
        cout <<" NOT_OK";
    }

    // Write your safe delete + pointer reset logic here

    return 0;
}