Cod sursa(job #165732)

Utilizator kolapsysPostelnicu Dan Marian kolapsys Data 26 martie 2008 18:27:28
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator fpc Status done
Runda Arhiva educationala Marime 0.44 kb
const c:int64 = 1999999973;
var n,p:int64;
    f,g:text;
function rez(n,p:int64):int64;
begin
     if p=0 then rez:=1 mod c
            else if odd(p) then rez:=(n*rez(sqr(n),(p-1)div 2)) mod c
                           else rez:=(rez(sqr(n),p div 2)) mod c;
end;
begin
        assign(f,'lgput.in'); reset(f);
        assign(g,'lgput.out'); rewrite(g);
        read(f,n,p);
        write(g,rez(n,p));
        close(f); close(g);
end.