Cod sursa(job #1898477)

Utilizator stefan_gheorgheGheorghe Stefan stefan_gheorghe Data 2 martie 2017 07:49:43
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int n_max=10001,m=1999999973,n,p;
long long a, sol = 1;
int main()
{
    f>>n>>p;
    a=n;
    for (int i=0;(1<<i)<=p;i++)
    {
        if (((1<<i)&p)>0)
            sol=(sol*a)%m;
        a=(a*a)%m;
    }
    g<<sol;
}