Reinitialize Object In-Place

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

using namespace std;

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

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

    // Write your in-place reinitialization logic here
    alignas(Mode) uint8_t buffer[sizeof(Mode)];
    Mode * mode = new (buffer) Mode{firstLevel};
    mode->~Mode(); 
    mode = new (buffer) Mode{secondLevel};
    mode->~Mode();
    std::cout << mode->level;
    return 0;
}