题解 | #个人所得税计算程序#

#include <iostream>
// write your code here......
#include <vector>
#include <algorithm>
#include <iomanip>
using namespace std;

class Employee {

  private:
    string name;
    double salary;
    // write your code here......
  public:
    Employee(string sn, double sal): name(sn), salary(sal) {

    }
    double cal_tax(double sal);
    double get_sal();
    string get_nam();

};
double Employee::get_sal() {
    return this->salary;
}
string Employee::get_nam() {
    return this->name;
}

double Employee::cal_tax(double sal){
    double tax = 0;
    if(sal > 80000+3500){
        tax = (sal-3500)*0.45-13505;
    }else if (sal>55000+3500 && salary <= 80000+3500) {
        tax = (sal-3500)*0.35-5505;
    }else if (sal>35000+3500 && salary <= 55000+3500) {
        tax = (sal-3500)*0.3-2755;
    }else if (sal>9000+3500 && sal <= 35000+3500) {
        tax = (sal-3500)*0.25-1005;
    }else if (sal>4500+3500 && sal <= 9000+3500) {
        tax = (sal-3500)*0.2-555;
    }else if (sal>1500+3500 && sal <= 4500+3500) {
        tax = (sal-3500)*0.1-105;
    }else if(sal>0+3500 && sal <= 1500+3500){
        tax = (sal-3500)*0.03;
    }else{
        tax = 0;
    }
    return tax;
}

void out(Employee& p) {
    cout << p.get_nam() << "应该缴纳的个人所得税是："<<setprecision(1)<<setiosflags(ios::fixed) << p.cal_tax(
             p.get_sal()) << endl;
}

int main() {
    // write your code here......
    Employee zs("张三", 6500);
    Employee ls("李四", 8000);
    Employee ww("王五", 100000);
    vector<Employee> vi;
    Employee* pe[] = {&zs, &ls, &ww};
    for (int i = 0; i < 3; i++) {
        bool swapped = false;
        for (int j = 0; j < 3 - i - 1; j++) {
            if (pe[i]->get_sal() > pe[j]->get_sal()) {
                swap(pe[i], pe[j]);
                swapped = true;
            }
        }
        if (!swapped) break;
    }
    for (int i = (int)(sizeof (pe) / sizeof (*pe)) - 1; i >= 0; --i) {
        vi.push_back(*(pe[i]));
    }
    for_each(vi.begin(), vi.end(), out);

    return 0;
}