Cod sursa(job #1509248)

Utilizator lucametehauDart Monkey lucametehau Data 23 octombrie 2015 16:40:57
Problema Ridicare la putere in timp logaritmic Scor 100
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,R=1,P;
    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;
}