/in/foo.c: In function 'main':
/in/foo.c:12:23: error: stray '\357' in program
       (-b-sqrt(d))/2/a）;
                       ^
/in/foo.c:12:24: error: stray '\274' in program
       (-b-sqrt(d))/2/a）;
                        ^
/in/foo.c:12:25: error: stray '\211' in program
       (-b-sqrt(d))/2/a）;
                         ^
/in/foo.c:12:26: error: expected ')' before ';' token
       (-b-sqrt(d))/2/a）;
                          ^
/in/foo.c:21:1: error: expected ';' before '}' token
 }
 ^
/in/foo.c:6:16: warning: unused variable 'e' [-Wunused-variable]
  float a,b,c,d,e;
                ^