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;
    if(price >= 100){
        cost =(int)(price * 0.9);
    }
    if(price >= 500){
        cost =(int)(price * 0.8);
    }
    if(price >=  2000){
        cost =(int)(price * 0.7);
    }
    if(price >= 5000){
        cost =(int)(price * 0.6);
    }
    if(price < 1){
        cost = 0;
    }
    System.out.println(cost);
}