Cod sursa(job #558210)

Utilizator popescu95Popescu Alexandru Cezar popescu95 Data 17 martie 2011 09:53:44
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int main()
{
	int pn,p,rez,r,n;
	fin>>p>>n;
	rez=1;pn=p;
	while(n>0)
	{
		r=n%2;
		if(r==1)
			rez=(rez%1999999973*pn%1999999973)%1999999973;
		n=n/2;
		pn=(pn*pn)%1999999973;
	}
	fout<<rez%1999999973<<'\n';
	fout.close();
	return 0;
}