Cod sursa(job #2886622)

Utilizator Mihai_EduardMihai Eduard Mihai_Eduard Data 7 aprilie 2022 22:59:51
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.47 kb
#include <bits/stdc++.h>

typedef long long ll;
using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");
const ll mod=1999999973;

ll powerLOG(ll a, ll b){
    if(b==0)
        return 1;
    if(b%2==0){
        a=(a*a)%mod;
        b=b/2;
        return powerLOG(a,b)%mod;
    }
    return (a*powerLOG(a,b-1))%mod;
}

int main()
{
    ll N, P;
    fin>>N>>P;
    fout<<powerLOG(N,P);

    fin.close();
    fout.close();
    return 0;
}