Cod sursa(job #2871592)

Utilizator Ioanaand923Ioana Iliescu Ioanaand923 Data 15 martie 2022 10:01:07
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.47 kb
#include <fstream>

using namespace std;

ifstream cin("lgput.in");
ofstream cout("lgput.out");

const int MOD = 1999999973;

int lgput(int a, int p)
{
    int ans = 1;
    while(p > 0)
    {
        if(p & 1) {   /// p % 2 != 0
            ans = 1ll  ans  a % MOD;
        }
        a = 1ll  a  a % MOD;
        p = (p >> 1); /// p = p / 2;
    }
    return ans;
}

int main()
{
    int n, p;
    cin >> n >> p;
    cout << lgput(n, p);
    return 0;
}