Cod sursa(job #2084726)

Utilizator IVVladIon Vlad Vasile IVVlad Data 9 decembrie 2017 11:43:33
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
unsigned long p,n;
int main()
{
    f>>n>>p;
    long long r=1;
    while(p)
    {
        if(p & 1) r=r*n;
        n*=n;
        p=p>>1;
    }
    g<<r;
    return 0;
}