Cod sursa(job #2249220)

Utilizator andreea_chivuAndreea Chivu andreea_chivu Data 29 septembrie 2018 14:49:53
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    int a, n, p;

    ifstream fin("lgput.in");
    ofstream fout("lgput.out");

    fin>>a>>n;
    p=1;
    while(n>0)
    {
        if(n%2!=0)
        {
            p*=a;
        }
        a*=a;
        n/=2;
    }

    fout<<p;

    fin.close();
    fout.close();

    return 0;
}