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......
        double price2 = (double) price;
        double cost2 = (double) cost;
        if(price2 > 0 && price2 < 100){
            cost = price;
        }else if(price2 >= 100 && price2 < 500){
            cost2 = price2 * 0.9;
            cost = (int) cost2;
        }else if(price2 >= 500 && price2 < 2000){
            cost2 = price2 * 0.8;
            cost = (int) cost2;
        }else if(price2 >= 2000 && price2 < 5000){
            cost2 = price2 * 0.7;
            cost = (int) cost2;
        }else{
            cost2 = price2 * 0.6;
            cost = (int) cost2;
        }
        System.out.println(cost);
    }
}