Plamena Recursive

#include <iostream>

using namespace std;

size_t count_of_coins(double, double, size_t &);

int main() {

    double price, coin;
    size_t count = 0;

    cout << "Enter price: ";
    cin >> price;
    cout << "Enter coin: ";
    cin >> coin;

    cout << count_of_coins(price, coin, count) << endl;

    return 0;
}

size_t count_of_coins(double price, double coin, size_t &count) {
    if (price <= 0.0)
        return 0;
    else {
        count++;
        count_of_coins(price - coin, coin, count);
        //cout << price << " | " << count << endl; // Debug

    }

    return count;
}