Cod sursa(job #814815)

Utilizator enedumitruene dumitru enedumitru Data 16 noiembrie 2012 09:43:40
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.28 kb
Raporteaza aceasta sursa 
#include <fstream>
#define LL long long
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
LL b,n,r,p;
const int MOD=1999999973;
int main()
{
	f>>n>>p;
	for(b=n,r=1;p;p>>=1)
		{
			if(p&1)
			r=(r*b)%MOD;
			b=(b*b)%MOD;
		}
	g<<r<<'\n';
	return 0;
}