Cod sursa(job #1349132)

Utilizator misu007Pogonaru Mihai misu007 Data 19 februarie 2015 23:59:49
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>
using namespace std;

unsigned long long n,p;
const int mod = 1999999973;

int main()
{
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    unsigned long long rez=1;
    f>>n>>p;
    while(p)
    {
        if(p&1) rez=(rez*n)%mod;
        n=(n*n)%mod;
        p>>=1;
    }
    g<<rez<<endl;
    return 0;
}