Cod sursa(job #2703250)

Utilizator EdiTNSTanasa Edberg EdiTNS Data 7 februarie 2021 20:03:46
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.46 kb
#include <iostream>
#include <fstream>

using namespace std;

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

int a_la_b(int a, int b)
{
    if (b == 0)
        return 1;
    else
    {
        if (b % 2 == 0)
            return a_la_b(a, b / 2) * a_la_b(a, b / 2);
        else
            return a_la_b(a, b / 2) * a_la_b(a, b / 2) * a;
    }
}
int main()
{
    int a, b;
    fin >> a >> b;
    fout << a_la_b(a, b);
    return 0;
}