Cod sursa(job #1509913)

Utilizator turnenTudor Oprescu turnen Data 24 octombrie 2015 13:50:05
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.39 kb
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
    long long n,p,r=1,p2;
    in>>n>>p;
    while(p!=1)
    {
        if(p%2==0)
        {
            n=n*n%199999997;
            p=p/2;
        }
        else
        {
            p=p-1;
            r=r*n%199999997;
        }

    }
    n=n*r%199999997;
    out<<n;
}