Cod sursa(job #1672839)

Utilizator alex2003zaharia alexandru alex2003 Data 3 aprilie 2016 10:19:40
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;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int n, p, i, r=1;
int main()
{
    fin>>n>>p;
    while(p>0)
{
        if(p%2==0)
        {
            n=n*n;
            n=n%1999999973;
            p=p/2;
        }
        else
        {
            r=r*n;
            r=r%1999999973;
            p--;
        }
}
    fout<<r;
    return 0;
}