Cod sursa(job #2930756)

Utilizator TheAndreiEnache Andrei Alexandru TheAndrei Data 29 octombrie 2022 15:03:53
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>

#define m 1999999973

using namespace std;

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

int main()
{
    int n, p, s=1;

    fin>>n>>p;

    for (int i = 0; (1<<i) <= p; ++ i)
	{
		if ( ((1<<i) & p) > 0)
			s= (s * n) % m;

        n=(n * n) % m;
	}

    fout<< s;

    return 0;
}