C++简单计算器代码

1、#include<iostream>using namespace std;int prime1(int m);int prime2(int m);int prime3(int m);int prime4(int m);int prime5(int m);void main()bool flag;int x,y,s,a,b,c,d,e,f,g;char n,ch;flag=true;while(flag)cout<<" 请输入表达式，操作数与操作符之间用空格分隔"<<endl; cout<<"加减乘除的运算符分别用“

2、+ - * /”表示"<<endl;cin>>x>>n>>y;if(n='+')f=x+y; if(n='-') f=x-y; if(n='*') f=x*y; if(n='/') f=x/y;cout<<"计算结果是："<<endl;if(f<0)s=f*(-1);if(s>=0&&s<10)cout<<" "prime1(s);cout<<endl;

3、cout<<" "prime1(s);cout<<endl;cout<<" - "prime1(s);cout<<endl;cout<<" "prime1(s);cout<<endl;cout<<" "prime1(s);cout<<endl;if(s>=10&&s<100)a=s/10;b=s%10; cout<<" "prime1(a);prime1(b);

4、cout<<endl; cout<<" "prime2(a);prime2(b);cout<<endl; cout<<" - "prime3(a);prime3(b);cout<<endl; cout<<" "prime4(a);prime4(b);cout<<endl; cout<<" "prime5(a);prime5(b);cout<<endl;if(s>=100&&s<10

5、00)a=s/100;b=(s/10)%10;c=s%10; cout<<" "prime1(a);prime1(b);prime1(c);cout<<endl; cout<<" "prime2(a);prime2(b);prime2(c);cout<<endl; cout<<" - "prime3(a);prime3(b);prime3(c);cout<<endl; cout<<" "prime4(a);prime4(b);pri

6、me4(c);cout<<endl; cout<<" "prime5(a);prime5(b);prime5(c);cout<<endl;if(s>=1000&&s<10000)a=s/1000; b=(s/100)%10; c=(s/10)%10;d=s%10; cout<<" "prime1(a);prime1(b);prime1(c);prime1(d);cout<<endl; cout<<" "prime2(a);prime2(

7、b);prime2(c);prime2(d);cout<<endl; cout<<" "prime3(a);prime3(b);prime3(c);prime3(d);cout<<endl; cout<<" "prime4(a);prime4(b);prime4(c);prime4(d);cout<<endl; cout<<" "prime5(a);prime5(b);prime5(c);prime5(d);cout<<endl;if(f>=0)

8、if(f>=0&&f<10)prime1(f);cout<<endl;prime2(f);cout<<endl;prime3(f);cout<<endl;prime4(f);cout<<endl;prime5(f);cout<<endl;if(f>=10&&f<100)a=f/10;b=f%10;prime1(a);prime1(b);cout<<endl;prime2(a);prime2(b);cout<<endl;prime3(a);prime3(b)

9、;cout<<endl;prime4(a);prime4(b);cout<<endl;prime5(a);prime5(b);cout<<endl;if(f>=100&&f<1000)a=f/100; b=(f/10)%10;c=f%10;prime1(a);prime1(b);prime1(c);cout<<endl;prime2(a);prime2(b);prime2(c);cout<<endl;prime3(a);prime3(b);prime3(c);cout<<endl;prime4(

10、a);prime4(b);prime4(c);cout<<endl;prime5(a);prime5(b);prime5(c);cout<<endl;if(f>=1000&&f<10000)a=f/1000;b=(f/100)%10;c=(f/10)%10;d=f%10;prime1(a);prime1(b);prime1(c);prime1(d);cout<<endl;prime2(a);prime2(b);prime2(c);prime2(d);cout<<endl;prime3(a);prime3(b);prim

11、e3(c);prime3(d);cout<<endl;prime4(a);prime4(b);prime4(c);prime4(d);cout<<endl;prime5(a);prime5(b);prime5(c);prime5(d);cout<<endl;cout<<"继续计算按“y”，退出计算请按“n”"<<endl;cin>>ch;if(ch='y')flag=true; elseflag=false;int prime1(int m)if(m=0)cout<<&quo

12、t; - "if(m=1)cout<<" "if(m=2)cout<<" - "if(m=3)cout<<" - "if(m=4) cout<<" "if(m=5)cout<<" - "if(m=6)cout<<" - "if(m=7)cout<<" - "if(m=8)cout<<" - "if(m=9)cout<<&

13、quot; - "return 0;int prime2(int m)if(m=0)cout<<"| | "if(m=1)cout<<" | "if(m=2)cout<<" | "if(m=3)cout<<" | "if(m=4)cout<<"| | "if(m=5)cout<<"| "if(m=6)cout<<"| "if(m=7)cout<<&qu

14、ot; | "if(m=8) cout<<"| | "if(m=9)cout<<"| | "return 0;int prime3(int m)if(m=0)cout<<" "if(m=1)cout<<" "if(m=2)cout<<" - "if(m=3) cout<<" - "if(m=4)cout<<" - "if(m=5)cout<<"

15、; - "if(m=6)cout<<" - "if(m=7)cout<<" | "if(m=8)cout<<" - "if(m=9)cout<<" - "return 0;int prime4(int m)if(m=0)cout<<"| | "if(m=1)cout<<" | "if(m=2)cout<<"| "if(m=3)cout<<"

16、| "if(m=4)cout<<" | "if(m=5)cout<<" | "if(m=6)cout<<"| | "if(m=7)cout<<" | "if(m=8)cout<<"| | "if(m=9)cout<<" | "return 0;int prime5(int m)if(m=0)cout<<" - "if(m=1)cout<<" "if(m=2)cout<<&quo