/in/foo.cc:9:12: error: stray '\357' in program
  c=5.0/9.0*（f-32);
            ^
/in/foo.cc:9:13: error: stray '\274' in program
  c=5.0/9.0*（f-32);
             ^
/in/foo.cc:9:14: error: stray '\210' in program
  c=5.0/9.0*（f-32);
              ^
/in/foo.cc:10:19: error: stray '\357' in program
  printf("%.2f\n",c）；
                   ^
/in/foo.cc:10:20: error: stray '\274' in program
  printf("%.2f\n",c）；
                    ^
/in/foo.cc:10:21: error: stray '\211' in program
  printf("%.2f\n",c）；
                     ^
/in/foo.cc:10:22: error: stray '\357' in program
  printf("%.2f\n",c）；
                      ^
/in/foo.cc:10:23: error: stray '\274' in program
  printf("%.2f\n",c）；
                       ^
/in/foo.cc:10:24: error: stray '\233' in program
  printf("%.2f\n",c）；
                        ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:9:19: error: expected ';' before ')' token
  c=5.0/9.0*（f-32);
                   ^
/in/foo.cc:11:5: error: expected ')' before 'return'
     return 0;
     ^~~~~~