Сортировка елементов класса С++

#include
#include
#include
using namespace std;
class Cpu {
public:
Cpu() : model(""), price(0) { };
Cpu(string m, float p) : model(m), price(p) {};
Cpu(Cpu & unit) : model(unit.model), price(unit.price) {};
string model;
float price;
};
void show(Cpu *, size_t);
void usort(Cpu *, size_t);
int main() {
Cpu cpu[5];
for (size_t n = 0; n < 5; n++) {
cout << "Model: "; getline(cin, cpu[n].model);
cout << "Price: "; cin >> cpu[n].price;
cout << endl; cin.clear(); cin.ignore(2, '\n');
} cout << endl << endl;
show(cpu, 5);
usort(cpu, 5);
show(cpu, 5);
cin.get();
return 0;
}
void show(Cpu * p, size_t size) {
for (size_t n = 0; n < size; n++) {
cout << setw(29) << p[n].model << " :" << setw(9) << p[n].price << endl;
} cout << endl << endl;
}
void usort(Cpu * p, size_t size) {
size_t n, m;
Cpu temp;
for (int n = 1; n < size; n++) {
m = n;
while (m > 0 && p[m - 1].price < p[m].price) {
temp = p[m];
p[m] = p[m - 1];
p[m - 1] = temp;
--m;
}
}
}