/in/foo.cc: In function 'void rd(T&)':
/in/foo.cc:16:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(x=numb;isdigit(ch=getchar());x=x*10+numb);(fl==true)&&(x=-x);}
   ^~~
/in/foo.cc:16:49: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   for(x=numb;isdigit(ch=getchar());x=x*10+numb);(fl==true)&&(x=-x);}
                                                 ^