Cod sursa(job #1649918)

Utilizator andrew_assassin789Andrei Manea andrew_assassin789 Data 11 martie 2016 15:46:10
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>
#define mod 1999999973
using namespace std;
int main()
{
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    long long n,p;
    long long x=1;
    f>>n>>p;
    while (p)
    {
        if (p%2) x=(x*n)%mod;
        n=(n*n)%mod;
        p>>=1;
    }
    g<<x<<'\n';
    f.close();
    g.close();
    return 0;
}