Cod sursa(job #2705435)

Utilizator cristia_razvanCristia Razvan cristia_razvan Data 12 februarie 2021 16:48:22
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.45 kb
#include <bits/stdc++.h>
#define mod 1999999973
using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");
int a,n;

long long logP(int a, int n)
{
    long long p = 1;
    while(n)
    {
        if(n & 1)
            p = p * 1LL * a % mod;
        a = a * 1LL * a % mod;
        n >>= 1;
    }
    return p;
}

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