Cod sursa(job #1579650)

Utilizator RadduFMI Dinu Radu Raddu Data 24 ianuarie 2016 22:12:26
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.37 kb
#include <iostream>
#include <fstream>
#define mod 1999999973
#define ll long long
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");

int Pw(int a,int b)
{ int sol=1,i;
  for(i=0;i<=32;i++)
  { if (b&(1LL<<i)) sol=((ll) sol*a)%mod;
     a=1LL*a*a%mod;
  }
return sol;
}

int main()
{ int a,b;
    f>>a>>b;
    g<<Pw(a,b);
    return 0;
}