Cod sursa(job #475619)

Utilizator mihai995mihai995 mihai995 Data 7 august 2010 18:17:26
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;

const int mod=1999999973;

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

long long power(long long x,long long n)
{
	int p=x,r=1;
	for (;n;n>>=1)
	{
		if (n&1)
			r=(r*p)%mod;
		p=(p*p)%mod;
	}
	return r;
}

int main()
{
	int n,p;
	in>>n>>p;
	out<<power(n,p)<<"\n";
	return 0;
}