Cod sursa(job #3250713)

Utilizator tmxmatTudor Matasaru Mihai tmxmat Data 23 octombrie 2024 12:44:22
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.61 kb
#include <fstream>

using namespace std;

ifstream cin("lgput.in");
ofstream cout("lgput.out");

#define mod 1999999973

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

int main()
{
    long long n, p;
    cin >> n >> p;
    cout << pow(n, p);
    return 0;
}