Cod sursa(job #874836)

Utilizator mads2194FMI - Andrei Stroe mads2194 Data 9 februarie 2013 12:59:30
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<fstream>

using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

#define M 1999999973

int main()
{
	long long n,p,a;
	fin>>n>>p;	
	
	a=1;
	while(p>0)
		if(p%2) {a=(a*n) % M; --p;}
		else {n=(n*n) % M; p/=2;}
	fout<<a;
	fout.close();
		
	return 0;
}