/in/foo.cc:28:23: error: extended character “ is not valid in an identifier
   28 |         cout<<middle<<“”<<max-num<<
      |                       ^
/in/foo.cc:28:23: error: extended character ” is not valid in an identifier
/in/foo.cc: In function 'int main()':
/in/foo.cc:5:23: error: expected initializer before 'num3'
    5 |         int num1,num2 num3;
      |                       ^~~~
/in/foo.cc:7:20: error: 'num2' was not declared in this scope; did you mean 'num1'?
    7 |         cin>>num1>>num2>>num3;
      |                    ^~~~
      |                    num1
/in/foo.cc:7:26: error: 'num3' was not declared in this scope; did you mean 'num1'?
    7 |         cin>>num1>>num2>>num3;
      |                          ^~~~
      |                          num1
/in/foo.cc:9:16: error: expected initializer before '-' token
    9 |         int max-num=num1；
      |                ^
/in/foo.cc:15:21: error: 'num' was not declared in this scope; did you mean 'num1'?
   15 |         if(num3>max-num){
      |                     ^~~
      |                     num1
/in/foo.cc:21:17: error: 'middle' was not declared in this scope
   21 |                 middle=num1;
      |                 ^~~~~~
/in/foo.cc:24:17: error: 'middle' was not declared in this scope
   24 |                 middle=num2;
      |                 ^~~~~~
/in/foo.cc:25:15: error: 'middle' was not declared in this scope
   25 |         }else{middle=num3；
      |               ^~~~~~
/in/foo.cc:25:22: error: 'num3\U0000ff1b' was not declared in this scope
   25 |         }else{middle=num3；
      |                      ^~~~~~
/in/foo.cc:28:15: error: 'middle' was not declared in this scope
   28 |         cout<<middle<<“”<<max-num<<
      |               ^~~~~~
/in/foo.cc:28:23: error: '\U0000201c\U0000201d' was not declared in this scope
   28 |         cout<<middle<<“”<<max-num<<
      |                       ^~
/in/foo.cc:28:31: error: 'num' was not declared in this scope; did you mean 'num1'?
   28 |         cout<<middle<<“”<<max-num<<
      |                               ^~~
      |                               num1
/in/foo.cc:30:12: error: 'return0' was not declared in this scope
   30 |            return0;
      |            ^~~~~~~