Cod sursa(job #2568702)

Utilizator LeCapataIustinian Serban LeCapata Data 4 martie 2020 09:32:20
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.41 kb
#include <fstream>
#define mod 1999999973
using namespace std;

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

int n, p, rezultat=1;
long long a;

int main()
{
    in>>n>>p;

    a=n;
    for(int i=0; (1<<i)<=p; i++)
    {
        if(((1<<i)&p)> 0)
            rezultat=(rezultat*a)%mod;

        a=(a*a)%mod;
    }

    out<<rezultat;

    in.close();
    out.close();
    return 0;
}