Cod sursa(job #2943691)

Utilizator Irina.comanIrina Coman Irina.coman Data 21 noiembrie 2022 15:39:57
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.5 kb
#include <iostream>
#include <fstream>
using namespace std;
const int M = 1999999973;

int putere(long long int a, int n)
{
    int p = 1;
    while (n != 0)
    {
        int cifb = n % 2;
        if (cifb != 0)
            p = (long long) p * a % M;
        a = a * a % M;
        n /= 2;
    }
    return p;
}
int main()
{
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    long long int n, p;
    fin >> n >> p;
    fout << putere(p, n) << endl;
    return 0;
}