Cod sursa(job #1367557)

Utilizator traian.vidrascutraian vidrascu traian.vidrascu Data 1 martie 2015 22:52:09
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");
int lgp(int a, int b)
{
    if(b==0)
        return 1;
    if(b%2==0)
        return lgp(a,b/2)*lgp(a,b/2);
    else
        return lgp(a,b/2)*lgp(a,b/2)*a;
}
int main()
{
    int a,b;
    f>>a>>b;
    g<<lgp(a,b);
}