Cod sursa(job #1336284)

Utilizator robx12lnLinca Robert robx12ln Data 7 februarie 2015 15:09:13
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>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n,r,p;
int main(){
    fin>>n>>p;
    r=1;
    while(p!=0){
        if(p%2==1){
            r=r*n;
        }
        n=n*n;
        p/=2;
    }
    fout<<r;
    return 0;
}