Cod sursa(job #690654)

Utilizator BarracudaFMI-Alex Dobrin Barracuda Data 25 februarie 2012 19:54:24
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include<fstream>
#define mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long a,b;
long long lgput(long long n,long long p){
	long long r=1;
	while(p!=0){
		if(p%2==1)
			r=(r*n)%mod;
		n=(n*n)%mod;
		p/=2;
	}
	return r;
}
int main (){
	f>>a>>b;
	g<<lgput(a,b);
	return 0;
}