Cod sursa(job #2987956)

Utilizator rosca.crisRosca Cristian rosca.cris Data 3 martie 2023 10:54:36
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator c-64 Status done
Runda Arhiva educationala Marime 0.55 kb
#include <bits/stdc++.h>
using namespace std;

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

const int module = 1999999973;

int raise_pow(int num, int power){
    if(power == 0){
        return 1;
    }
    if(power == 1){
        return num;
    }else if(power % 2 != 0){
        return num * raise_pow(num, power - 1) % module;
    }else {
        int half_pow = raise_pow(num, power / 2);
        return half_pow * half_pow % module;
    }
}

int main(){
    int num, power;
    fin >> num >> power;
    fout << raise_pow(num, power); 
    return 0;
}