题解 | #计算商场折扣#

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        int price = console.nextInt();
        int cost = 0;

        //write your code here......
        if(price>=5000){
            cost  = (int )Math.floor(price *0.6);
        }
        else if(price >=2000) {
            cost  = (int )Math.floor(price *0.7);
        }
        else if(price >=500) {
            cost  = (int )Math.floor(price *0.8);
        }
        else if(price >=100) {
            cost  = (int )Math.floor(price *0.9);
        }
        else {
            cost =price;
        }

        System.out.println(cost);
    }
}