Reinitialize Object In-Place

#include <iostream>
#include <cstdint>
#include <new>

using namespace std;

// Write your struct and placement new logic here
struct Mode{
    int level;
};

alignas(Mode) uint8_t buffer[sizeof(Mode)];

int main() {
    int firstLevel, secondLevel;
    cin >> firstLevel >> secondLevel;

    Mode *obj = new(buffer) Mode{firstLevel};

    obj->~Mode();

    Mode *obj2 = new(buffer) Mode{secondLevel};

    cout << obj2->level;

    obj2->~Mode();

    // Write your in-place reinitialization logic here

    return 0;
}