Cod sursa(job #2174387)

Utilizator CraiuAndrei Craiu Craiu Data 16 martie 2018 11:49:24
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.43 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

const int MOD = 1999999973;

inline int lgPow(int a, int n)
{
    int p = 1;
    while(n > 0)
    {
        if(n % 2)
            p = 1LL * p * a % MOD;
        n /= 2;
        a = 1LL * a * a % MOD;
    }
    return p;
}

int main()
{
    int a, n;
    fin >> a >> n;
    fout << lgPow(a, n);
    return 0;
}