Cod sursa(job #1456260)

Utilizator ilinca_stefiChirtoc Ilinca ilinca_stefi Data 30 iunie 2015 11:19:12
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
    unsigned int n,p,i;
    long long r=1;
    in>>n>>p;
    for(i=0;(1<<i)<=p;i++)
    {
        if((1<<i)&p)
            r=r*n;
            n=n*n;
    }
    out<<r;
    return 0;
}