Cod sursa(job #3250665)

Utilizator amalia_ghicaAmalia Ghica amalia_ghica Data 22 octombrie 2024 20:14:44
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.44 kb
#include <bits/stdc++.h>
#define prim 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int exp(int a, int n){
    if(n == 0){
        return 1;
    }
    if(n % 2 == 1){
        return (long long)exp(a, n - 1) * a % prim;
    }else{
        return exp((long long)a * a % prim, n / 2);
    }
}
int main()
{
    int n, p;
    fin >> n >> p;
    fout << (long long)exp(n, p) % prim;
    return 0;
}