Cod sursa(job #2451347)

Utilizator PatrickCplusplusPatrick Kristian Ondreovici PatrickCplusplus Data 26 august 2019 15:47:17
Problema Ridicare la putere in timp logaritmic Scor 80
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.48 kb
#include <bits/stdc++.h>
#define MOD 1999999973
using namespace std;

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

long long N, P;

long long log2pow(long long n, long long p)
{
    if (p == 0)
        return 1;
    if (p % 2 == 0)
    {
        long long x = log2pow(n, p / 2) % MOD;
        return (x * x) % MOD;
    }
    return ((n % MOD) * (log2pow(n, p - 1) % MOD));
}

int main()
{
    fin >> N >> P;
    fout << log2pow(N, P);
    return 0;
}