Cod sursa(job #1934454)

Utilizator infosharkOpris Catalin infoshark Data 21 martie 2017 15:37:34
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.29 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{long long n,p,r,k,mod=1999999973;
 in>>n>>p;
r=1;k=n;
  while(p)
  {if(p%2==1)
  r=(r*k)%mod;
  k=(k*k)%mod;
  p=p/2;
  }
  out<<r%mod;

    return 0;
}