輕鬆實現Rust系統入門，實戰編譯器開發

download：輕鬆實現Rust系統入門，實戰編譯器開發

下面的都不重要
//四則運算

include "stdafx.h"

include

include<stdio.h>

using namespace std;
void add()
{

printf("輸入要計算的加數（例如a b）\n");
int adda=0, addb=0,addc=0;
cin >> adda;
cin >> addb;
addc = adda+addb;
cout <<adda<<"加"<<addb<< "等於" << addc << endl;

}
void substraction()
{

printf("輸入要計算的減數（例如a b）\n");
int suba = 0, subb = 0, subc = 0;
cin >> suba;
cin >> subb;
subc = suba-subb;
cout <<suba<<"減"<<subb<< "等於" << subc << endl;

}
void multiplication()
{

printf("輸入要計算的乘數（例如a b）\n");
int mula = 0, mulb = 0, mulc = 0;
cin >> mula;
cin >> mulb;
mulc = mula*mulb;
cout <<mula<<"乘"<<mulb<< "等於" << mulc << endl;

}
void division()
{

printf("輸入要計算的除數（例如a b）\n");
int dsa = 0, dsb = 0, dsc = 0,dsd=0;
cin >> dsa;
cin >> dsb;
dsc = dsa/dsb;
dsd = dsa%dsb;
cout <<dsa<<"除"<<dsb<< "等於" << dsc <<"餘"<<dsd<<endl;

}
void operation()//運算函數
{

printf("輸入數據選擇作那種運算\n");
printf("輸入0選擇退出，1作加法，2作減法，3作乘法，4作除法（保存餘數）\n");
 
int operatione = 0;
cin >> operatione;
cout << endl;
try
{
    if (operatione == 1)
    {
        //加法
        add();
    }
    else if (operatione == 2)
    {
        //減法
        substraction();
    }
    else if (operatione == 3)
    {
        //乘法
        multiplication();
    }
    else if (operatione == 4)
    {
        //動身
        division();
    }
    else if (operatione == 0)
    {
        exit(0);
    }
    else
    {
        throw 1;
    }
}
catch (int i)
{
    cout << "輸入錯誤" << endl;
}
operation();

}
int main()
{

printf("歡送運用本計算器");
operation();
return 0;

}