Cod sursa(job #2084732)

Utilizator Andrei.GheorgheAndrei Gheorghe Andrei.Gheorghe Data 9 decembrie 2017 11:44:53
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include<bits/stdc++.h>
using namespace std;
    long long int a,b,p=1;
int main()
{
    ifstream cin("lgput.in");
    ofstream cout("lgput.out");
    cin>>a>>b;
    while(b)
    {
        if(b&1)
        {
            p=p*a;
        }
        b=b>>1;
        a=a*a;
    }
    cout<<p;
}