Cod sursa(job #1022486)

Utilizator savulescustefanSavulescu Stefan savulescustefan Data 5 noiembrie 2013 16:09:27
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include <fstream>

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