/in/foo.c: In function 'main':
/in/foo.c:7:8: error: stray '\357' in program
   scanf（“f=%d”，&f）；
        ^
/in/foo.c:7:9: error: stray '\274' in program
   scanf（“f=%d”，&f）；
         ^
/in/foo.c:7:10: error: stray '\210' in program
   scanf（“f=%d”，&f）；
          ^
/in/foo.c:7:11: error: stray '\342' in program
   scanf（“f=%d”，&f）；
           ^
/in/foo.c:7:12: error: stray '\200' in program
   scanf（“f=%d”，&f）；
            ^
/in/foo.c:7:13: error: stray '\234' in program
   scanf（“f=%d”，&f）；
             ^
/in/foo.c:7:3: warning: statement with no effect [-Wunused-value]
   scanf（“f=%d”，&f）；
   ^~~~~
/in/foo.c:7:14: error: expected ';' before 'f'
   scanf（“f=%d”，&f）；
              ^
/in/foo.c:7:18: error: stray '\342' in program
   scanf（“f=%d”，&f）；
                  ^
/in/foo.c:7:19: error: stray '\200' in program
   scanf（“f=%d”，&f）；
                   ^
/in/foo.c:7:20: error: stray '\235' in program
   scanf（“f=%d”，&f）；
                    ^
/in/foo.c:7:21: error: stray '\357' in program
   scanf（“f=%d”，&f）；
                     ^
/in/foo.c:7:22: error: stray '\274' in program
   scanf（“f=%d”，&f）；
                      ^
/in/foo.c:7:23: error: stray '\214' in program
   scanf（“f=%d”，&f）；
                       ^
/in/foo.c:7:26: error: stray '\357' in program
   scanf（“f=%d”，&f）；
                          ^
/in/foo.c:7:27: error: stray '\274' in program
   scanf（“f=%d”，&f）；
                           ^
/in/foo.c:7:28: error: stray '\211' in program
   scanf（“f=%d”，&f）；
                            ^
/in/foo.c:7:29: error: stray '\357' in program
   scanf（“f=%d”，&f）；
                             ^
/in/foo.c:7:30: error: stray '\274' in program
   scanf（“f=%d”，&f）；
                              ^
/in/foo.c:7:31: error: stray '\233' in program
   scanf（“f=%d”，&f）；
                               ^
/in/foo.c:8:11: error: stray '\357' in program
   c=(5/9)*（f-32）;
           ^
/in/foo.c:8:12: error: stray '\274' in program
   c=(5/9)*（f-32）;
            ^
/in/foo.c:8:13: error: stray '\210' in program
   c=(5/9)*（f-32）;
             ^
/in/foo.c:8:18: error: stray '\357' in program
   c=(5/9)*（f-32）;
                  ^
/in/foo.c:8:19: error: stray '\274' in program
   c=(5/9)*（f-32）;
                   ^
/in/foo.c:8:20: error: stray '\211' in program
   c=(5/9)*（f-32）;
                    ^
/in/foo.c:5:7: warning: unused variable 'f' [-Wunused-variable]
   int f;
       ^