Cod sursa(job #1761506)

Utilizator alexrusRus Alexandru alexrus Data 22 septembrie 2016 13:24:23
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.36 kb
#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;
        }
    }
    g<<x;
    return 0;
}