Cod sursa(job #2804052)

Utilizator smoc_georgemarianSmoc George-Marian smoc_georgemarian Data 20 noiembrie 2021 19:36:24
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.45 kb
#include <bits/stdc++.h>
#define int int64_t
#define double long double
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");

int n, p;
int const mod=1999999973;
int32_t main()
{
    fin >> n >> p;
    int multiplier = 1;
    int ans = 1; 
    for (int i = 0; (1<<i) <= p; i++)
    {
        if ( (1<<i) & p)
            ans = (ans * multiplier ) % mod;
        multiplier = multiplier * p % mod; 
    }
    fout << ans;
    
  return 0;
}