分支-14. 简单计算器(10)

 1 #include<iostream>
 2 using namespace std;
 3 int main(){
 4     int a,b;
 5     char s;
 6     while(cin>>a){
 7         cin>>s>>b;
 8         if(s==‘+‘)
 9             cout<<a+b<<endl;
10         else if(s==‘-‘)
11             cout<<a-b<<endl;
12         else if(s==‘*‘)
13             cout<<a*b<<endl;
14         else if(s==‘/‘)
15             cout<<a/b<<endl;
16         else if(s==‘%‘)
17             cout<<a%b<<endl;
18         else
19             cout<<"ERROR"<<endl;
20     }
21     return 0;
22 }