题解 | #个人所得税计算程序#

#include <algorithm>
//#include <functional>
#include <iomanip>
//#include <ios>
#include <iostream>
//#include <string>
#include <vector>
// write your code here......

using namespace std;

class Employee {

    private:
        string name;
        double salary;
    // write your code here......

public:
    void savename (string s){
        name = s;
    }
    void savesalary (double num){
        salary = num;
    }
    string getname(){
        return name; 
    }
    double getsalary(){
        return salary;
    }
    double calculate(double Sa, double taxper, double kou ){
        double result = Sa * taxper - kou;
        return result;
    }
    double Tax(){
        double tax;
        double standard = 3500;
        double Sa = salary - standard;
        if ( Sa <= 0 ) {
            tax = 0;
        }else if(Sa <= 1500 && Sa >0){
            tax = calculate(Sa, 0.03, 0);
        }else if(Sa <= 4500 && Sa >1500){
            tax = calculate(Sa, 0.1, 105);
        }else if (Sa <= 9000 && Sa >4500) {
            tax = calculate(Sa, 0.2, 555);
        }else if (Sa <= 35000 && Sa > 9000) {
            tax = calculate(Sa, 0.25, 1005);
        }else if(Sa <= 55000 && Sa > 35000) {
            tax = calculate(Sa, 0.3, 2755);
        }else if(Sa <= 80000 && Sa > 55000) {
            tax = calculate(Sa, 0.35, 5505);
        }else if(Sa > 80000) {
            tax = calculate(Sa, 0.45, 13505);
        }
        return tax;
    }
    bool operator>(const Employee& other) const{
        return salary > other.salary;
    }

};

int main() {

    // write your code here......
    Employee ep1;
    Employee ep2;
    Employee ep3;

    ep1.savename("张三");
    ep1.savesalary(6500);
    ep2.savename("李四");
    ep2.savesalary(8000);
    ep3.savename("王五");
    ep3.savesalary(100000);
    
    vector<Employee*> v;
    v.push_back(&ep1);
    v.push_back(&ep2);
    v.push_back(&ep3);

    sort(v.begin(), v.end() , [](Employee* a,Employee* b){
        return *a > *b;
    });//需要重装载
    cout << fixed << setprecision(1);
    for(const auto &iter : v){
        cout << iter->getname();
        cout<< "应该缴纳的个人所得税是：" ;
        cout << iter->Tax() << endl;
    }
    return 0;
}