Array of structs: dinamic allocation

#include <iostream>
#include <string.h>
#include "dinalloc.h"

using namespace std;

int main()  {
    int n;
    cout << "Put a number for the array: ";
    cin >> n;
    hi *vet = new hi[n]; // dinamic allocation of an array of structures

    loadHistogram(vet, n);
    printHistogram(vet, n);

    delete []vet;
    return 0;
}