Cod sursa(job #3252053)

Utilizator AndreiCod123Sitaru Mircea AndreiCod123 Data 28 octombrie 2024 12:10:48
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 fin("1gput.in");
ofstream fout("1gput.out");

int mod = 1999999973;

long long fast_exp(long long a, long long b)
{
    long long ans = 1;
    while(b)
    {
        if(b%2)
            ans = (ans*a)%mod;
        a = (a*a)%mod;
        b /= 2;
    }
    return ans;
}

int main()
{
    long long n, p;
    fin>> n>> p;

    fout<< fast_exp(n, p);
    fin.close();
    fout.close();
    return 0;
}