Cod sursa(job #1493944)

Utilizator ButmalaiDanButmalai Dan ButmalaiDan Data 30 septembrie 2015 09:10:00
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include<iostream>
#include<conio.h>
unsigned long long n,p;
using namespace std;
int n_p(unsigned long long n,unsigned long long p)
{
	int x=1;
	while(p)
	{
		if(p&1){x=x*n;p--;};
		p=p/2;
		n=n*n;
	}
	return x;
}	
int main(){
	cout<<"dati baza n: ";
	cin>>n;
	cout<<"dati exponentul p: ";
	cin>>p;
	cout<<"in timp logaritmic: n^p="<<n_p(n,p);
	_getch();
	return 0;
}