Cod sursa(job #947156)

Utilizator manutrutaEmanuel Truta manutruta Data 6 mai 2013 20:13:53
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <iostream>
#include <fstream>
using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,x=1,p;
int N=1999999973;

long long putere(long long x, long long p)
{
    if(p==1)
        return x;
    if(p%2==1)
        return (putere((x*x)%R,p/2)*x)%R;
    return putere((x*x)%R,p/2)%R;
}

int main()
{
    f>>n>>p;
    g<<putere(n,p);
}