code/homework_laster.cpp

#include<iostream>  //必要头文件
#include<windows.h>  //等待头文件
#include<cstdlib>  //退出头文件

using namespace std; //设置标准命名空间
void shi_d();
void bai1();  //定义函数
void qian();
void wan();
void shi_wan();

int main(){
    //选择
    cout <<"欢迎使用数字组合器!"<<endl;
    cout <<"选择: 1.十位 2.百位 3.千位 4.万位 5.十万位 6.退出"<<endl;
    cout <<"请输入完成的操作:";
    int in;
    cin >>in;
    if (in==2)
    {
        bai1();
    }else if (in==1)
    {
        shi_d();
    }else if (in==3)
    {
        qian();
    }else if (in==4)
    {
        wan();
    }else if (in==5)
    {
        shi_wan();
    }else if (in==6)
    {
        exit(0);
    }
    
    else{
        cout <<"输入错误！请重新运行程序并输入正确的编号!";
        Sleep(1250);
        return 1;
    }    
}

void shi_d(){
    //输出
    cout <<"现在是十位计算"<<endl;
    cout <<"请输入一个十位数字(10):";

    int number;  //输入
    cin >>number;

    //计算模块 
    int ge,shi1;
    ge = number % 10;
    shi1 = number / 10 % 10;
    number = ge + shi1;

    cout <<"结果为"<<number<<endl;  //输出结果
    Sleep(1500);
    exit(0);
}

void bai1(){
    //输入
    cout <<"现在是百位计算"<<endl;
    cout <<"请输入一个百位数字(100):";
    int number;
    cin >>number;

    //计算模块
    int ge,shi1,bai;
    ge = number % 10;
    shi1 = number / 10 % 10;
    bai = number / 100;
    number = ge + shi1 + bai;

    cout <<"结果为:"<<number;  //输出结果
    Sleep(1500);
    exit(0);
}

void qian(){
    cout <<"现在是千位计算"<<endl;  //输出
    cout <<"请输入一个千位数字(1000):";

    int number;  //输入
    cin >>number;

    int ge,shi,bai,qian;     //计算模块
    ge = number % 10;
    shi = number / 10 % 10;
    bai = number / 100 % 10;
    qian = number / 1000;
    number = ge + shi + bai + qian;

    cout <<"结果为:"<<number;  //输出结果
    Sleep(1500);
    exit(0);
}

void wan(){
    //输出
    cout <<"现在是万位计算"<<endl;
    cout <<"请输入一个万位数字(10000):";

    //输入
    int number;
    cin >>number;

    //计算模块
    int ge,shi,bai,qian,wan1;
    ge = number % 10;
    shi = number / 10 % 10;
    bai = number / 100 % 10;
    qian = number / 1000 % 10;
    wan1 = number / 10000;
    number = ge + shi + bai + qian + wan1;
    
    cout <<"结果为:"<<number;  //输出结果
    Sleep(1500);
    exit(0);
}

void shi_wan(){
    cout <<"现在是十万位计算"<<endl;  //说明
    cout <<"请输入一个十万位的数字(100000):";

    int number;  //输入
    cin >>number;

    //计算模块
    int ge,shi,bai,qian,wan,shi_wan1;
    ge = number % 10;
    shi = number / 10 % 10;
    bai = number /100 % 10;
    qian = number / 1000 % 10;
    wan = number / 10000 % 10;
    shi_wan1 = number / 100000;
    number = ge + shi + bai + qian + wan + shi_wan1;
    
    //输出结果
    cout <<"结果为:"<<number;
    Sleep(1500);
    exit(0);
}