Cod sursa(job #35634)

Utilizator floringh06Florin Ghesu floringh06 Data 22 martie 2007 11:39:13
Problema Stramosi Scor 90
Compilator fpc Status done
Runda Arhiva de probleme Marime 0.85 kb
{$IFDEF NORMAL}
  {$I-,OBJECTCHECKS-,Q-,R-,S-}
{$ENDIF NORMAL}
{$IFDEF DEBUG}
  {$I+,OBJECTCHECKS-,Q+,R+,S-}
{$ENDIF DEBUG}
{$IFDEF RELEASE}
  {$I-,OBJECTCHECKS-,Q-,R-,S-}
{$ENDIF RELEASE}

type matr=array[0..18,0..250000] of longint;

var fi,fo:text;
    j,i,n,m,st,vl,a,b,ct:longint;
    s : matr;




begin

 assign(fi,'stramosi.in'); reset(fi);
 assign(fo,'stramosi.out'); rewrite(fo);
 readln(fi,n,m);
 for i:=1 to n do
  begin
   read(fi,s[0,i]);
  end;
 st:=1;
 while st<=n do
  begin
   st:=st shl 1;
   inc(ct);
  end;
 dec(ct);
 for i:=1 to ct do
  for j:=1 to n do
    s[i,j]:=s[i-1,s[i-1,j]];
for i:=1 to m do
begin
  readln(fi,a,b);
  while b>0 do
  begin
   ct:=0;
   while (1 shl ct) <= b do
    inc(ct);
   dec(ct);
   b:=b-(1 shl ct);
   a:=s[ct,a];
  end;
 writeln(fo,a);
end;
close(fo);
end.