Construct Sensor Packet Placement

#include <iostream>
#include <cstdint>
#include <new>
#include <type_traits>
using namespace std;

// Write your struct and placement new logic here
struct SensorPacket 
{
    int id;
    int value;

};

int main() {
    int index, id, value;
    cin >> index >> id >> value;

    // Write your pool construction code here
    alignas(SensorPacket) uint8_t buffer[3*sizeof(SensorPacket)];
    SensorPacket* SP = new (buffer) SensorPacket{index};
    SP->id = id;
    SP->value = value;
    cout << id << " " << value ; 
    SP->~SensorPacket();

    return 0;
}