Cod sursa(job #1761505)

Utilizator alexrusRus Alexandru alexrus Data 22 septembrie 2016 13:23:35
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<fstream>
using namespace std;
int a,b,x=1;
int main()
{
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    f>>a>>b;
    while(b)
    {
        if(b%2)
        {
            x*=a;
            b--;
        }
        else
        {
            a*=a;
            b/=2;
        }
    }
    cout<<x;
}