Cod sursa(job #632790)

Utilizator DaniLLeu Daniel DaniL Data 12 noiembrie 2011 12:44:30
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
#include<fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long func(int a , int b){
	if(b==0)
		return 1;
	else {
		int aux= func ( a ,b/2);
		if(b%2==0)
			return (aux*aux)%1999999973;
		else return ((aux*aux)%1999999973)*(a%1999999973);}
	}
	int main(){
		int n , p;
		f>>n>>p;
		g<<func(n,p);
		return 0;
	}