Placement New Static Buffer

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

// Define your struct and placement new logic here
typedef struct{
    int id;
    int value;
}Block;
int main() {
    int id, value;
    cin >> id >> value;

    // Write your placement new construction code here
    unsigned char buff[sizeof(Block)];
    Block* b = new (buff) Block();
    b->id = id;
    b->value = value;

    cout<<b->id<<" "<<b->value;

    b->~Block();
    return 0;
}