Cod sursa(job #2616254)

Utilizator etohirseCristi Cretu etohirse Data 17 mai 2020 18:54:07
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.49 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
#define MOD 1999999973
int lgput(int n, int p)
{
    int rez = 1;
    while(p)
    {
        if(p & 1)
            rez = (1LL * rez * n) % MOD;
        n = (1LL * n * n) % MOD;
        p /= 2;
    }
    return rez;
}
int main()
{
    ios_base::sync_with_stdio(0);
    fin.tie(0);

    unsigned long long n, p;
    fin >> n >> p;
    fout << lgput(n, p);

    return 0;
}