Cod sursa(job #670538)

Utilizator pongraczlajosLajos Pongracz pongraczlajos Data 29 ianuarie 2012 13:51:54
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator fpc Status done
Runda Arhiva educationala Marime 0.4 kb
const modulo = 1999999973;

var n,p:int64;
    f:text;

function hatvany(n,p:int64):int64;
var k:int64;
begin
 if p=0 then hatvany:=1
 else begin
  k:=hatvany(n,p div 2);
  if (p mod 2 = 0) then hatvany:=k*k
  else hatvany:=k*k*n;
 end;
end;

begin
assign(f,'lgput.in');
reset(f);
read(f,n,p);
close(f);

assign(f,'lgput.out');
rewrite(f);
write(f,hatvany(n,p) mod modulo);
close(f);
end.