Cod sursa(job #2172692)

Utilizator raul044Moldovan Raul raul044 Data 15 martie 2018 17:32:34
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include <iostream>
#include <fstream>
#define mod 1999999973

using namespace std;

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

long long n, p;

long long pow (int n, int p) {
    if (p == 0)
        return 1;
    if (p == 1)
        return n % mod;
    if (1 & p)
        return (n*pow((n*n)%mod, p/2))%mod;
    else
        return pow((n*n)%mod, p/2);
}

int main () {
    fin >> n >> p;
    fout << pow(n, p);
}