Cod sursa(job #872361)

Utilizator OpportunityVlad Negura Opportunity Data 5 februarie 2013 23:11:48
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;

#define m 1999999973

ifstream fi("lgput.in");
ofstream fo("lgput.out");

long long n,p,rs;

int main(){
	
	fi >> n >> p;
	
	rs=1;
	while (p!=1){
		if (p%2) rs*=n,rs%=m,p--; else n*=n,n%=m,p/=2;
	}
	
	fo << (rs*n)%m;
	
	return 0;
}