Cod sursa(job #1259533)

Utilizator IonSebastianIon Sebastian IonSebastian Data 10 noiembrie 2014 10:11:46
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.4 kb
#include <iostream>
#include <fstream>
using namespace std;

ifstream in("lgput.in");
ofstream out("lgput.out");

const int MOD = 1999999973;
long long putere(long long a, long long n)
{
    if (n==1)
        return a;
    if(n%2==0)
        return putere(a*a,n/2)%MOD;
    else
        return a*putere(a*a,n/2)%MOD;

}
int main()
{
    long long N,P;
    in>>N>>P;
    out<<putere(N,P)%MOD;
    return 0;
}