Cod sursa(job #1669403)

Utilizator Bodo171Bogdan Pop Bodo171 Data 30 martie 2016 18:04:21
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <iostream>
#include<fstream>
using namespace std;
 long long a,b,c=1999999973,mod,aux;
int main()
{
  ifstream f("lgput.in");
  ofstream g("lgput.out");
  f>>a>>b;

  mod=1;aux=1;
  while(b>1)
  {
      if(b%2==1)
      {b--;aux=(aux*a)%c;}
      else
        {b/=2;a=(a*a)%c;}
  }
  a*=aux;
  a%=c;
   g<<a;
    return 0;
}