Cod sursa(job #146328)

Utilizator MciprianMMciprianM MciprianM Data 1 martie 2008 15:53:17
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include<fstream>
# define cmo 1999999973
using namespace std;
long long r=1, n, p, s;
int main(){
  ifstream f("lgput.in");
  f>>n>>p;
  f.close();
  s=n;
  while(p){
    if((p&1)){
      r=r*s;
      r=r%cmo;
    }
    s=s*s;
    s=s%cmo;
    p=(p>>1);
  }
  ofstream g("lgput.out");
  g<<r<<'\n';
  return 0;
}