Cod sursa(job #1604710)

Utilizator c0mradec0mrade c0mrade Data 18 februarie 2016 15:13:57
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.23 kb
#include<fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long n,p,r=1;
int main(){
    in>>n>>p;
    while(p)
        if(p%2) r*=n,--p;
        else n*=n,p/=2;
    out<<r;
    return 0;
}