View Compilation Error

0_0_19650825_766.c: In function 'main':
0_0_19650825_766.c:12:57: error: expected expression before '/' token
         if(a[0]!='-'&&b[0]=='-'||a[0]=='-'&&b[0]!='-')  //different sign
                                                         ^
0_0_19650825_766.c:29:47: error: expected expression before '/' token
         for(i=strlen(a)-1;a[i]=='0';i--);     //remove 0
                                               ^
0_0_19650825_766.c:34:50: error: expected expression before '/' token
         for(i=0;a[i]!='.'&&i<strlen(a);i++);     //decimal part
                                                  ^
0_0_19650825_766.c:38:37: error: expected expression before '/' token
         for(m=0;a[m]=='0';m++);     //integer part
                                     ^
0_0_19650825_766.c:52:38: error: expected expression before '/' token
         if(!strcmp(flag,"11"))       //cmp int&dec
                                      ^