题解 | 计算商场折扣

import java.util.*;

public class Main {
    public static void main(String[] args) {
         Scanner sc = new Scanner(System.in);
        int money = sc.nextInt();
        if (money >= 5000) {
            money = (int)(money * 0.6);
        } else if (money >= 2000) {
            money = (int)(money * 0.7);
        } else if (money >= 500) {
            money = (int)(money * 0.8);
        } else if (money >= 100) {
            money = (int)(money * 0.9);
        }
        System.out.println(money);
    }
}