Cod sursa(job #1604610)

Utilizator bence21Bako Bence bence21 Data 18 februarie 2016 13:51:20
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.36 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
#define N 1999999973
long hatv(long n,long p)
{
	long x=n,y=1;
	while(p>0)
	{
		if(p&1)
		{
			y*=x;
			y=y%N;
		}
		x*=x;
		x=x%N;
		p/=2;
	}
	return y;
}
int main()
{
	ifstream f("lgput.in");
	ofstream g("lgput.out");
	long n,p;
	f>>n>>p;
	g<<hatv(n,p);
	f.close();
	g.close();
    return 0;
}