Reset Fault Buffer

#include <iostream>
using namespace std;

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

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

    return 0;
}