Cod sursa(job #3244364)

Utilizator apoputoaievladVlad Cristian Apoputoaie apoputoaievlad Data 24 septembrie 2024 16:40:33
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.42 kb
#include <bits/stdc++.h>
#define mod 1999999973
using namespace std;

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

/**
2 4 -> 16
*/

long long Expolog(long long a, long long n)
{
    long long p=1;
    while(n)
    {
        if(n%2==1) p=p*a%mod;
        a=a*a%mod;
        n/=2;
    }
    return p;
}

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