Cod sursa(job #398230)

Utilizator girl_styleBianca Boeriu girl_style Data 18 februarie 2010 11:47:06
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include<iostream>
#include <fstream>

using namespace std;

const int m = 1999999973;
unsigned long long n ,p;

void prel()
{
	ifstream f;
    ofstream g;
	g.open("lgput.out");
	f.open("lgput.in");
	f>>n>>p;
	unsigned long long sol=1;
	for (int i=0; (1<<i)<=p; i++)
	{
		if ((1<<i) & p )
			sol=(sol*n)%m;
		n=(n*n)%m;
	}
	g<<sol;
	g.close();
	f.close();
}

int main()
{
	prel();
	return 0;
}