Cod sursa(job #793446)

Utilizator TodeaDariustodea darius TodeaDarius Data 2 octombrie 2012 23:07:20
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 f("lgput.in");
ofstream g("lgput.out");
long long n,p,nr;
long long pu(int p)
{
	if(p==1)
		return n;
	else
	{
		int x=pu(p/2);
		if(p%2==0)
			return (x*x)%1999999973;
		else
			return (x*x*n)%1999999973;
	}
}
int main()
{
	f>>n>>p;
	nr=pu(p)%1999999973;
	g<<nr;
	return 0;
}