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// 四则运算
include “stdafx.h”
include
include<stdio.h>
using namespace std;
void add()
{
printf("输出要计算的加数(例如 a b)\n");
int adda=0, addb=0,addc=0;
cin >> adda;
cin >> addb;
addc = adda+addb;
cout <<adda<<"加"<<addb<< "等于" << addc << endl;
}
void substraction()
{
printf("输出要计算的减数(例如 a b)\n");
int suba = 0, subb = 0, subc = 0;
cin >> suba;
cin >> subb;
subc = suba-subb;
cout <<suba<<"减"<<subb<< "等于" << subc << endl;
}
void multiplication()
{
printf("输出要计算的乘数(例如 a b)\n");
int mula = 0, mulb = 0, mulc = 0;
cin >> mula;
cin >> mulb;
mulc = mula*mulb;
cout <<mula<<"乘"<<mulb<< "等于" << mulc << endl;
}
void division()
{
printf("输出要计算的除数(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<< "等于" << dsc <<"余"<<dsd<<endl;
}
void operation()// 运算函数
{
printf("输出数据抉择做那种运算 \n");
printf("输出 0 抉择退出,1 做加法,2 做减法,3 做乘法,4 做除法(保留余数)\n");
int operatione = 0;
cin >> operatione;
cout << endl;
try
{if (operatione == 1)
{
// 加法
add();}
else if (operatione == 2)
{
// 减法
substraction();}
else if (operatione == 3)
{
// 乘法
multiplication();}
else if (operatione == 4)
{
// 出发
division();}
else if (operatione == 0)
{exit(0);
}
else
{throw 1;}
}
catch (int i)
{cout << "输出谬误" << endl;}
operation();
}
int main()
{
printf("欢迎使用本计算器");
operation();
return 0;
}
正文完