Cod sursa(job #1054288)

Utilizator paul_danutDandelion paul_danut Data 13 decembrie 2013 17:24:06
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.48 kb
#include <fstream>
#include <math.h>
using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");
#define mod 1999999973

long long int n,p;

int power(long long int x)
{
    if(x==1)
       return n%mod;
    else
       if(x%2==1)
          return  ((long long int) (pow(power(x/2)*n%mod,2)))%mod;
       else
          return ((long long int) pow(power(x/2),2))%mod;
}

int main()
{
    f>>n>>p;
    g<<power(p);
    f.close();g.close();
    return 0;
}