Cod sursa(job #2043505)

Utilizator daniela12Sandu Daniela Teodora daniela12 Data 20 octombrie 2017 09:55:10
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <iostream>
#include <fstream>
#define mod  1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int exp_lg (int x, int p)
{
    if(p==1)    return x%mod;
    if(p==0)    return 1;
    int z;
    z=exp_lg(x,p/2);
    if(p%2==0)  return z*z%mod;
    return  z*z*x%mod;
}
int main()
{
   int N, P;
   f>>N>>P;
   cout<<P;
   g<<exp_lg(N,P);
   f.close();
   g.close();
}