Cod sursa(job #138469)

Utilizator Pharaoh****** Pharaoh Data 18 februarie 2008 18:08:42
Problema Stramosi Scor 80
Compilator fpc Status done
Runda Arhiva de probleme Marime 0.66 kb
program Stramosi;
const nmax=250001;
      pdoi=17;
var a:array[0..pdoi,0..nmax]of longint;{a[i][j]=al 2^i -lea stramos al lui j}
    n,m,p,q,k,i:longint;
    f,g:text;
begin
assign(f,'stramosi.in');reset(f);
readln(f,n,m);
for p:=1 to n do begin
                 read(f,q);
                 a[0,p]:=q;
                 end;
for p:=1 to pdoi do
 for q:=1 to n do a[p,q]:=a[p-1,a[p-1,q]];
assign(g,'stramosi.out');rewrite(g);
for k:=1 to m do begin
                 readln(f,q,p);
                 for i:=0 to pdoi do
                    if (1 shl i)and p <>0 then q:=a[i,q];
                 writeln(g,q);
                 end;
close(f);close(g);
end.