Cod sursa(job #3230490)

Utilizator Stoica_TobiasStoica Tobias Stoica_Tobias Data 21 mai 2024 19:20:01
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.65 kb
#include <bits/stdc++.h>
using namespace std;

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

long divizor;

int logPower(int n, int p)
{
    if(p == 1)
        return n;
    if(p % 2 == 0)
    {
        long power = logPower(n, p/2);
        long rest = power % divizor;
        return (rest * rest) % divizor;
    }
    else
    {
        long power = logPower(n, (p-1) / 2);
        long rest = power % divizor;
        return (((rest * rest) % divizor) * n) % divizor;
    }
}

int main()
{
    int n, p;
    fin >> n >> p;
    long t;
    divizor = 1999999973;
    t = logPower(n, p);
    fout << t;

    return 0;
}