Cod sursa(job #2426273)

Utilizator stefanut999Paul Colta stefanut999 Data 27 mai 2019 10:22:23
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.49 kb
#include <bits/stdc++.h>
#include <vector>
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");

long long int n, p;

long long int ridicare(long long int n, long long int p)
{ 
  if(p == 0)
    return 1;
  if(p == 1)
    return n % mod;
  if(p % 2 == 0)
    return ridicare((n * n) % mod, p / 2) % mod;
  return  ridicare((n * n * n) % mod, (p - 1) / 2) % mod;
}

int main()
{
  fin >> n >> p;
  fout << ridicare(n,p);
  return 0;
}