Cod sursa(job #1956078)

Utilizator ana-maria.simiAna-Maria Simionescu ana-maria.simi Data 6 aprilie 2017 14:41:48
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
int n,p;
int main()
{freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
scanf("%d%d", &n, &p);

long long x=1;
while(p>0)
{
    if(p%2==1)
    {
        x*=n;
        p--;
    }
    n=n*n;
    p=p/2;
}
printf("%lld", x);
    return 0;
}