/in/foo.c: In function 'main':
/in/foo.c:7:38: error: expected ';' before 'case'
    7 |                 case 0:y=3*x*-1;break
      |                                      ^
      |                                      ;
    8 |                 case 1:y=2*x*x+4*x-5;break
      |                 ~~~~                  
/in/foo.c:8:43: error: expected ';' before 'case'
    8 |                 case 1:y=2*x*x+4*x-5;break
      |                                           ^
      |                                           ;
    9 |                 case 2:y=sqrt(5*x+10);break
      |                 ~~~~                       
/in/foo.c:9:44: error: expected ';' before 'case'
    9 |                 case 2:y=sqrt(5*x+10);break
      |                                            ^
      |                                            ;
   10 |                 case 3:y=x*x*x;break
      |                 ~~~~                        
/in/foo.c:10:37: error: expected ';' before '}' token
   10 |                 case 3:y=x*x*x;break
      |                                     ^
      |                                     ;
   11 |         }
      |         ~