Construct Sensor Packet Placement

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

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

alignas(SensorPacket) uint8_t buffer[3*sizeof(SensorPacket)];

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

    // Write your pool construction code here
    SensorPacket *packet = new (buffer) SensorPacket();
    packet->id = id;
    packet->value = value;
    cout << packet->id << " " << packet->value;
    packet->~SensorPacket();
    return 0;
}