Cod sursa(job #1386314)
Utilizator | Data | 12 martie 2015 21:18:24 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | fpc | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
program putere;
const c=1999999973;
var x,n:longint;
f,g:text;
function putere(x,n:longint):longint;
begin
if n=0 then putere:=1
else if n=1 then putere:=x
else if n mod 2 = 1 then
putere:=x*putere(x,n-1) mod c
else
putere:=putere((x*x mod c),n div 2)
end;
begin
assign(f,'lgput.in'); reset(f);
assign(g,'lgput.out'); rewrite(g);
readln(f,x,n);
writeln(g,putere(x,n)mod c);
close(f); close(g);
end.