Reinitialize Object In-Place

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

using namespace std;

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

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

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

    // Write your in-place reinitialization logic here
    Mode *obj = new (buffer) Mode;
    obj->level = firstLevel;
    obj->~Mode();

    obj = new (buffer) Mode;
    obj->level = secondLevel;
    cout << obj->level;
    obj->~Mode();

    return 0;
}