Cod sursa(job #2238408)

Utilizator niculaandreiNicula Andrei Bogdan niculaandrei Data 5 septembrie 2018 15:47:01
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.39 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n, p, mod = 1999999973;
int putere_logaritmic(int n, int p)
{
    if (p == 0) return 1;
    int x = putere_logaritmic(n, p / 2);
    x*=x;
    if (p % 2 == 1) x*=n;
    return x;
}
int main()
{
    fin >> n >> p;
    fout << putere_logaritmic(n, p);
    return 0;
}