Cod sursa(job #1292126)

Utilizator claudiucotirlanclaudiu cotirlan claudiucotirlan Data 13 decembrie 2014 17:46:08
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.29 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
    long long n,p,x=1999999973,r=1,i;
    in>>n>>p;
    for(i=0;(1<<i)<=p;i++)
    {
        if((1<<i)&p)
            r=r*n%x;
        n=n*n%x;
    }
    out<<r;
    return 0;
}