Cod sursa(job #1291326)

Utilizator valibauConstanda Valentin valibau Data 12 decembrie 2014 18:22:37
Problema Ridicare la putere in timp logaritmic Scor 10
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()
{
    int n,p,i,copie,rez=1,m=0;
    in>>n>>p;
    copie=n;
    m=1999999973;
    for(i=0;(1<<i)<=p;i++)
    {
        if((1<<i)&p)
        rez=(rez*copie)%m;
        copie=(copie*copie)%m;
    }
    out<<rez;
    return 0;
}