29. Reset Fault Buffer

#include <iostream>
using namespace std;

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

    // Write your safe delete + pointer reset logic here
    int *pCode = new int;
    *pCode = code;
    cout << *pCode << " ";
    delete pCode;
    pCode = nullptr;

    if(pCode == nullptr)
        cout << "OK";
    else
        cout << "NOT_OK";

    return 0;
}