Cod sursa(job #1696236)

Utilizator llandreiLeon Andrei llandrei Data 28 aprilie 2016 16:56:46
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
    long long i, j, n, p, k, r, mod=1999999973;
    in>>n>>p;
    r=1;
    k=n;
    while(p)
    {
        if(p%2==1)
            r=(r*k)%mod;
        k=(k*k)%mod;
        p=p/2;
    }
    out<<r%mod<<"\n";
    return 0;
}