Here is my code:


type My=record
       den,ost,sez:longint;
     end;
     Matr=array[1..101,1..101] of longint;

var m,n,l,i,j,h,k,min,o,sum:longint;
    a: Matr;
    q: array[1..101] of longint;
    w: array[1..101] of my;
    f:boolean;

procedure floyd(var  c:matr);
var i,j,k:longint;
begin
  for k:=1 to n do
    for i:=1 to n do
      for j:=1 to n do
        if c[i,k]+c[k,j]<c[i,j] then c[i,j]:=c[i,k]+c[k,j];
  for i:=1 to n do c[i,i]:=0;
end;



begin
  readln(n,m);
  for i:=1 to n do
    for j:=1 to n do a[i,j]:= 1000000;
  for i:=1 to m do begin
    read(l);
    for j:=1 to l do read(q[j]);
    for j:=1 to l-1 do
      for h:=j+1 to l do begin
        a[q[j],q[h]]:=4;
        a[q[h],q[j]]:=4;
      end;
  end;
  floyd(a);
  readln(k);
  for i:=1 to k do readln(w[i].den,w[i].ost,w[i].sez);
  min:=1000000;
  for i:=1 to n do begin
  sum:=0;
    f:=true;
    for j:=1 to k do begin
      if w[j].sez=0 then
        if (w[j].den<a[i,w[j].ost]) then begin
          f:=false;
          break;
        end
        else sum:=sum+a[i,w[j].ost];
    end;

    if (f) and (min>sum) then begin
      o:=i;
      min:=sum;
    end;
  end;

  if min=1000000 then writeln(0)
  else writeln(o,' ',min);
end.

Try this test:
4 2
2 1 2
2 3 4
2
0 1 1
0 3 1

Thx!

thanks

thx very much!

thank you very much !
I have got AC.

Thank you very much.

Seems it's a common mistake :)

Thx.39.

THX! Very foolish mistake...