05. Coins

package W05WhileLoop.Exercises;

import java.util.Scanner;

public class P05Coins {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        double sum = Double.parseDouble(scanner.nextLine());

        //Превръщаме всичко в стотинки
        double totalCoins = Math.floor(sum * 100);

        int countCoins = 0;

        //Правим while -> докато totalCoins > 0
        while (totalCoins > 0){

            //Проверяваме коя е най-голямата възможна монета, с която можем да върнем
            if(totalCoins >= 200){
                countCoins ++;
                totalCoins -= 200;
            } else if (totalCoins >= 100) {
                countCoins++;
                totalCoins -= 100;
            } else if (totalCoins >= 50) {
                countCoins++;
                totalCoins -= 50;
            } else if (totalCoins >= 20) {
                countCoins++;
                totalCoins -= 20;
            } else if (totalCoins >= 10) {
                countCoins++;
                totalCoins -= 10;
            }else if (totalCoins >= 5) {
                countCoins++;
                totalCoins -= 5;
            }else if (totalCoins >= 2) {
                countCoins++;
                totalCoins -= 2;
            }else if (totalCoins >= 1) {
                countCoins++;
                totalCoins -= 1;
            }
        }
        System.out.println(countCoins);
    }
}