Cod sursa(job #1606346)

Utilizator AnduRazvanMindrescu Andu AnduRazvan Data 20 februarie 2016 10:06:32
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.43 kb
#include <fstream>

using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n,p;
long long Rezultat(long long n,long long p)
{ if(p==0) return 1;
  else if(p%2==0) return (Rezultat(n,p/2)%1999999973*Rezultat(n,p/2)%1999999973);
  else if(p%2==1) return (n%1999999973*Rezultat(n,(p-1)/2)%1999999973*Rezultat(n,p/2)%1999999973);

}
int main()
{ fin>>n>>p;
    fout<<Rezultat(n,p);
    return 0;
}