Cod sursa(job #1750996)

Utilizator topala.andreiTopala Andrei topala.andrei Data 31 august 2016 15:46:12
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
const int m = 1999999973;
int main()
{
    long long n,p;
    f>>n>>p;
    long long a=n,sol=1;
    for (int i=0; (1<<i)<=p; i++)
    {
        if (((1<<i)&p)>0) sol=(sol*a)%m;
        a=(a*a)%m;
    }
    g<<sol;
}