/in/foo.c: In function 'main':
/in/foo.c:9:33: error: stray '\357' in program
  if(x < -100 || x > 100){ printf（“Error!"); }
                                 ^
/in/foo.c:9:34: error: stray '\274' in program
  if(x < -100 || x > 100){ printf（“Error!"); }
                                  ^
/in/foo.c:9:35: error: stray '\210' in program
  if(x < -100 || x > 100){ printf（“Error!"); }
                                   ^
/in/foo.c:9:36: error: stray '\342' in program
  if(x < -100 || x > 100){ printf（“Error!"); }
                                    ^
/in/foo.c:9:37: error: stray '\200' in program
  if(x < -100 || x > 100){ printf（“Error!"); }
                                     ^
/in/foo.c:9:38: error: stray '\234' in program
  if(x < -100 || x > 100){ printf（“Error!"); }
                                      ^
/in/foo.c:9:27: warning: statement with no effect [-Wunused-value]
  if(x < -100 || x > 100){ printf（“Error!"); }
                           ^~~~~~
/in/foo.c:9:39: error: expected ';' before 'Error'
  if(x < -100 || x > 100){ printf（“Error!"); }
                                       ^~~~~
/in/foo.c:9:45: warning: missing terminating " character
  if(x < -100 || x > 100){ printf（“Error!"); }
                                             ^
/in/foo.c:9:45: error: missing terminating " character
  if(x < -100 || x > 100){ printf（“Error!"); }
                                             ^~~~~
/in/foo.c:17:1: error: expected declaration or statement at end of input
 }
 ^
/in/foo.c:6:14: warning: unused variable 'y' [-Wunused-variable]
     float x, y;
              ^