Cod sursa(job #1509961)

Utilizator alganarFrunteanuMatei alganar Data 24 octombrie 2015 14:25:48
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,P,prod=1;
    in>>N>>P;
    while(P!=1)
        {
        if(P%2==1){
            prod=(prod*N)%1999999973;
            P=P-1;
        }
        else
        {
            P=P/2;
            N=(N*N)%1999999973;
        }
        }
        out<<(prod*N)%1999999973;

    return 0;
}