计算机C语言编程题。

package lianXiTi;

import java.util.Scanner;
public class Shi_er02 {
	public static void main(String[] args) {
		System.out.println("请输入行李的重量：");
		Scanner sc=new Scanner(System.in);
		int weight=sc.nextInt();
		double total=0;
		if(weight<=50) {
			total=weight*0.15;
		}
		else {
			total=50*0.15+(weight-50)*0.22;
		}
		System.out.println("总计："+total);
	}
	
}

#include <iostream.h>
#include <iomanip.h>
void main()
{
    double weight,fee;
    char c='n';
    do{
        cout<<"请输入托运行李重量: ";
        cin>>weight;
        if(weight<0)
        {
            cout<<"重量不能小于0 !"<<endl;
            continue;
        }
        if(weight>50)
            fee = 50 * 0.15 + ( weight - 50 ) * 0.22;
        else
            fee = weight * 0.15;
        cout<<"托运费为 :";
        cout.setf(ios::fixed);
        cout.setf(ios::showpoint);
        cout.precision(2);
        cout<<fee<<endl;
        cout<<"继续计算?(y/n) :";
        cin>>c;
    }while(c=='y'||c=='Y');
}