Cod sursa(job #1506034)

Utilizator mihaitheodorMihai Theodor Iliant mihaitheodor Data 19 octombrie 2015 22:40:59
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;
const long long N=19999999973;
long long n,p;
long long pow(long long x, long long y)
{
    long long a=1;
    while(y!=0)
    {
        if(y%2==1)
        {
            y=y-1;
            a=(a*x)%N;
        }
        x=(x*x)%N;
        y=y/2;
    }
    return a;
}

int main()
{
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    fin>>n>>p;
    fout<<pow(n,p);
}