求指点 简易计算器

[CharCai]

#include<iostream> using namespace std; int main() { int a,b; char ch; cin>>a>>b>>ch; switch(ch) { case "+" : cout<<a+b<<endl; break; case "-" : cout<<a-b<<endl; break; case "*" : cout<<a*b<<endl; break; case "/" : if(b!=0) cout<<a/b<<endl; else cout<<"Divided by zero!"<<endl; break; default : cout<<"Invalid operator!"; break; } return 0; }

[大米粥哥哥]

case + 单引号