Cod sursa(job #1022497)

Utilizator savulescustefanSavulescu Stefan savulescustefan Data 5 noiembrie 2013 16:42:48
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <fstream>

using namespace std;
ifstream f ("lgput.in");
ofstream g ("lgput.out");
long long k,p,n;
long long logaritm (int n,int p)
{
    k=1;
    while (p>0)
    {
        if (p%2==1)
        {
            k=k*n;
            p--;
        }
        p/=2;
        n=n*n%1999999973;
        k=k%1999999973;
    }
    return k;
}
int main()
{
    f>>n>>p;
    g<<logaritm(n,p);
    return 0;
}