Cod sursa(job #1527560)

Utilizator JustGingaGinga Tudor-Adrian JustGinga Data 18 noiembrie 2015 12:36:02
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.49 kb
#include <fstream>
using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
const int MOD = 1999999973;
int n, p; long long sol;

int lgput (int n, int p)
{
    if (p == 0) return 1;
    else if (p == 1) return n;
         else if (!(p % 2)) return lgput(n, p/2) % MOD * lgput(n, p/2) % MOD;
              else return lgput(n, p/2) % MOD * lgput(n, p/2) % MOD * n % MOD;
}

int main()
{
    in >> n >> p;
    out << lgput(n, p);
    out.close(); return 0;
}