Cod sursa(job #1387607)

Utilizator alexburdescuBurdescu Alexandru alexburdescu Data 14 martie 2015 15:05:35
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include<fstream>
using namespace std;
int cif;
long long n,a,p,q,x;
int main ()
{
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    fin>>n>>p;
    a=n%1999999973;
    x=p;
    q=1;
    while(x!=0)
    {
        cif=x%2;
        if(cif==1)
        {
            q=(q*a)%1999999973;
        }
        a=(a*a)%1999999973;
        x=x/2;
    }
    fout<<q;
    fin.close();
    fout.close();
    return 0;
}