Cod sursa(job #1041326)

Utilizator cosmateodorcosma teodor sebastian cosmateodor Data 25 noiembrie 2013 19:02:56
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include<fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int p;
long long x,n,k;
int main()
{
    f>>n>>p;
    k=1999999973;
    x=1;
    while(p!=0)
    {
        if(p%2==1)
        {
            x=x*n;
            x=x%k;
        }
        p=p/2;
        n=n*n;
        n=n%k;
    }
    g<<x<<'\n';
    g.close();
    return 0;
}