Cod sursa(job #2251248)

Utilizator TudorCristeaCristea Tudor TudorCristea Data 1 octombrie 2018 12:32:29
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.39 kb
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    long long N,P,p2,sol;
    fin >> N >> P;
    sol=1;
    //e=(1<<20);
    for (p2=1;p2<=P;p2*=2)
    {
        if (P&p2)
        {
            sol=(sol*N)%1999999973;
        }
        N=(N*N)%1999999973;
    }
    fout << sol;
    return 0;
}