Cod sursa(job #2006346)

Utilizator ApolodorTudor Fernea Apolodor Data 29 iulie 2017 15:15:17
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.37 kb
#include <fstream>

using namespace std;

long long x,y;
ifstream fi("lgput.in");
ofstream fo("lgput.out");

long long exponentiere(long long n, long long p)
{
    if(p==1)
        return n;
    if(p%2==0)
        return exponentiere(n*n, p/2);
    else
        return exponentiere(n*n, p/2)*n;
}

int main()
{
    fi>>x>>y;
    fo<<exponentiere(x,y);
}