Cod sursa(job #2739214)

Utilizator cyg_dragos10Ivan Dragos cyg_dragos10 Data 7 aprilie 2021 10:53:26
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.37 kb
#include <fstream>

using namespace std;

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

long long pwr(int b, int exp)
{
    if(!exp)
    {
        return 1;
    }
    if(exp % 2)
    {
        return b * pwr(b * b, exp / 2);
    }
    return pwr(b * b, exp / 2);
}
int main()
{
    int n,p;
    fin>>n>>p;
    fout<<pwr(n,p);
    return 0;
}