Cod sursa(job #1386940)

Utilizator bt.panteaPantea Beniamin bt.pantea Data 13 martie 2015 15:40:02
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
#define MOD 1999999973
#define ll long long
using namespace std;
ifstream f ("lgput.in");
ofstream g ("lgput.out");
ll a,p,sol=1;
int main ()
{
    f>>a>>p;
    while (p)
    {
        if ((p&1)>0)
            sol=(sol*a)%MOD;
        a=(a*a)%MOD;
        p/=2;
    }
    g<<sol;
    return 0;
}