Cod sursa(job #1643690)

Utilizator AvramAlexandraAvram Ioana-Alexandra AvramAlexandra Data 9 martie 2016 19:49:30
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
#define mod 1999999973
using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");


long long n,x,a;
int main()
{
    f>>x>>n;
    a=1;
     while(n)
     {
         if(n%2==1) a=(a*x)%mod;
         x=(x*x)%mod;
         n=n/2;
     }
     g<<a%mod;
    return 0;
}