code/l.cpp

#include<iostream>

using namespace std;

int qian();
int shi11();

int main(){
    cout <<"现在是百数计算"<<endl;
    int number,ge,shi,bai;
    cin >>number;
    ge = number%10;
    shi = number/10%10;
    bai = number / 100;
    number = ge*100 + shi*10 + bai;
    cout << number<<endl;
    shi11();
    return 0;
}
int shi11(){
    cout <<"现在是十数计算"<<endl;
    int number,ge,shi;
    cin >>number;
    ge = number%10;
    shi = number /10 ;
    number = ge*10 + shi;
    cout <<number<<endl;
    qian();
    return 0;
}    

int qian(){
    cout <<"现在是千数计算"<<endl;
    int number1,ge1,shi1,bai1,qian1;
    cin >>number1;
    ge1 = number1 % 10;
    shi1 = number1 / 10 % 10;
    bai1 = number1 / 100 % 10;
    qian1 = number1 /1000;
    number1 = ge1*1000 + shi1*100 + bai1 *10 + qian1;
    cout <<number1;
    return 0;
}