Cod sursa(job #1509249)

Utilizator AndreiCroitoruAndrei Croitoru AndreiCroitoru Data 23 octombrie 2015 16:41:56
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <fstream>

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