Cod sursa(job #909866)

Utilizator avramavram andrei marius avram Data 10 martie 2013 17:42:37
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.37 kb
#include<fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,p,c;
long long putere(long long a,long long b)
{
	if(b==0)
		return 1;
	else
	{
		long long aux=putere(a,b/2);
		if(b%2==0)
			return (aux*aux)%c;
		else
			return (aux*aux)%c*a%c;
	}
}
int main()
{
	c=1999999973;
	f>>n>>p;
	g<<putere(n,p)<<"\n";
	return 0;
}