2023.4.22

#include <iostream>
using namespace std;
int main()
{
    double num,profit = 0;
    cout<<"请输入收入金额："<<endl;
    cin>>num;
    if(num<3500)
    {
        cout<<"应征收税为0元"<<endl;
    }
    else
    {
        if(num<4500)
        {
            profit = 1500*0.03+(num-1500)*0.1;
            cout<<"应征收税为:"<<profit<<endl;
        }
        else if(num<9000&&num>4500)
        {
            profit = 1500*0.03+3000*0.1+(num-4500)*0.2;
            cout<<"应征收税为:"<<profit<<endl;
        }
        else if(num<35000&&num>9000)
        {
            profit = 1500*0.03+3000*0.1+4500*0.2+(num-9000)*0.25;
            cout<<"应征收税为:"<<profit<<endl;
        }
        else if(num<55000&&num>35000)
        {
            profit = 1500*0.03+3000*0.1+4500*0.2+26000*0.25+(num-35000)*0.3;
            cout<<"应征收税为:"<<profit<<endl;
        }
        else if(num<80000&&num>55000)
        {
            profit = 1500*0.03+3000*0.1+4500*0.2+26000*0.25+20000*0.3+(num-55000)*0.35;
            cout<<"应征收税为:"<<profit<<endl;
        }
        else if(num>80000)
        {
            profit = 1500*0.03+3000*0.1+4500*0.2+26000*0.25+20000*0.3+25000*0.35+(num-80000)*0.45;
            cout<<"应征收税为:"<<profit<<endl;
        }
    }
    return 0;
}