Объяснение:
#include <iostream>
using namespace std;
int main() {
int cost,price,count;
cout << "Enter the product quantity: ";
cin >> count;
cout << "Enter price product: ";
cin >> price;
if ((price > 0) && (count > 0)) {
if(count < 50) {
cost = price * count;
cout << "Cost: " << cost;
}
else if (count < 100) {
cost = price * count - price * count * 0.05;
cout << "Cost: " << cost;
}
else {
cost = price * count - price * count * 0.05;
cout << "Cost: " << cost;
}
}
else {
cout << "Error parametr!";
}
return 0;
}
