Cod sursa(job #917565)

Utilizator Raulr100Florian Raul Raulr100 Data 18 martie 2013 09:17:28
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.43 kb
#include <iostream>
#include <fstream>
using namespace std;

long long putere(long long n, long long p)
{
    if(p>1)
    {
        if(p%2==0)
            return putere(n*n,p/2);
        else
            return n*putere(n*n,p/2);
    }
}

int main()
{
    long long n,p;
    ifstream f("lgput.in");
    f >> n >> p;
    f.close();
    ofstream g("lgput.out");
    g << putere(n,p);
    g.close();
    return 0;
}