Cod sursa(job #2526087)

Utilizator Catalin007Botezat Catalin Catalin007 Data 18 ianuarie 2020 11:39:16
Problema Ridicare la putere in timp logaritmic Scor 30
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.45 kb
#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll a, b;
ll putere(ll x, ll n ){
    if(n==0)
    return 1;
    if(n==1)
    return x%1999999973;
    if(n%2==0)
    return ((putere(x,n/2)*putere(x,n/2))%1999999973);
    return ((x*putere(x,(n-1)/2)*putere(x,(n-1)/2))%1999999973);
}

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

    fin >> a >> b;
    fout<<putere(a, b);
    return 0;
}