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back to boardWhy so complicated!!!!! Look at this solution. It's very easy and it works!!!!!!!   var    n:integer;    i,j,c:integer;    a:array[1..100,1..100] of boolean;    b:array[1..100] of boolean;    s:array[1..100] of integer;   procedure ds(x:integer); var     i:integer; begin    b[x]:=false;    for I:=1 to n do       if (a[x,i]) and (b[i]) then ds(i);    dec(c);    s[c]:=x; end;   begin    for I:=1 to 100 do for J:=1 to 100 do a[i,j]:=false;    for i:=1 to 100 do b[i]:=true;      readln(n);      for I:=1 to n do begin       repeat           read(c);          if c<>0 then a[i,c]:=true;       until c=0    end;      c:=n+1;      for I:=1 to n do if b[i] then ds(i);    for i:=1 to n do begin       write(s[i]);       if i<n then write(' ');    end;   end. That problem is very easy i don't know why u publish such solution :) (-) > Look at this solution. It's very easy and it works!!!!!!! > > var >    n:integer; >    i,j,c:integer; >    a:array[1..100,1..100] of boolean; >    b:array[1..100] of boolean; >    s:array[1..100] of integer; > > procedure ds(x:integer); > var >     i:integer; > begin >    b[x]:=false; >    for I:=1 to n do >       if (a[x,i]) and (b[i]) then ds(i); >    dec(c); >    s[c]:=x; > end; > > begin >    for I:=1 to 100 do for J:=1 to 100 do a[i,j]:=false; >    for i:=1 to 100 do b[i]:=true; > >    readln(n); > >    for I:=1 to n do begin >       repeat >           read(c); >          if c<>0 then a[i,c]:=true; >       until c=0 >    end; > >    c:=n+1; > >    for I:=1 to n do if b[i] then ds(i); >    for i:=1 to n do begin >       write(s[i]); >       if i<n then write(' '); >    end; > > end. So give shorter solution :-) if you shorter solution,please, post it here. I just don't know how to make it smaller. I just told you "this problem is easy", my solution is equals "in length" to yours, the difference is that i solved this one a lot of time before :) (-) > if you shorter solution,please, post it here. I just don't know how > to make it smaller. I think If I started solving problems from this site earlier than several weeks ago I would also have already solved it :-) Yeah, but my point is that this webboard is for questions only :| (-) >  |  
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