第三周第一项目——个人所得税计算器

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 *Copyright(c) 2016,烟台大学计算机工程学院 *All rights reserved. *文件名称：SecondWeek_Test_4.cpp *作    者：田志伟 *完成日期：2016年 3 月 14 日 *版 本 号：v1.0 * *问题描述：输入个人工资，输出应缴纳个人所得税和税后收入 *输入描述：dSalary,即double型的工资 *程序输出：个人所得税、税后收入 */

#include<iostream>using namespace std;int main(){<span style="white-space:pre"></span>double dSalary,dTax=0,dNetcome=0;<span style="white-space:pre"></span>cout<<"请您输入您本月收入总额:"<<endl;<span style="white-space:pre"></span>cin>>dSalary;<span style="white-space:pre"></span>int i;<span style="white-space:pre"></span>i=(dSalary-3500>1500)+(dSalary-3500>3500)+(dSalary-3500>9000)+(dSalary-3500>35000)+(dSalary-3500>55000)+(dSalary-3500>80000);<span style="white-space:pre"></span>switch(i)<span style="white-space:pre"></span>{<span style="white-space:pre"></span>case 0:<span style="white-space:pre"></span>dTax=0;<span style="white-space:pre"></span>break;<span style="white-space:pre"></span>case 1:<span style="white-space:pre"></span>dTax=(dSalary-3500)*0.03;<span style="white-space:pre"></span>break;<span style="white-space:pre"></span>case 2:<span style="white-space:pre"></span>dTax=(dSalary-3500)*0.1-105;<span style="white-space:pre"></span>break;<span style="white-space:pre"></span>case 3:<span style="white-space:pre"></span>dTax=(dSalary-3500)*0.2-555;<span style="white-space:pre"></span>break;<span style="white-space:pre"></span>case 4:<span style="white-space:pre"></span>dTax=(dSalary-3500)*0.25-1005;<span style="white-space:pre"></span><span style="white-space:pre"></span>break;<span style="white-space:pre"></span>case 5:<span style="white-space:pre"></span>dTax=(dSalary-3500)*0.3-2755;<span style="white-space:pre"></span>break;<span style="white-space:pre"></span>case 6:<span style="white-space:pre"></span>dTax=(dSalary-3500)*0.35-5505;<span style="white-space:pre"></span>break;<span style="white-space:pre"></span>default:<span style="white-space:pre"></span>dTax=(dSalary-3500)*0.45-13505;<span style="white-space:pre"></span>break;<span style="white-space:pre"></span>}<span style="white-space:pre"></span>dNetcome=dSalary-dTax;<span style="white-space:pre"></span>cout<<"您本月应缴个人所得税是"<<dTax<<"元"<<endl;<span style="white-space:pre"></span>cout<<"税后收入是"<<dNetcome<<"元"<<endl;return 0;}

运行结果：

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