Cod sursa(job #2943715)

Utilizator TudorAndreiCalciuCalciu Tudor Andrei TudorAndreiCalciu Data 21 noiembrie 2022 16:00:30
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.46 kb
#include <fstream>

using namespace std;
const int M = 1999999973;
int putere(int a, int n)
{
    int p = 1;
    while(n != 0)
    {
        int cifb = n % 2;
        if(cifb != 0)
            p = (long long) p * a % M;
        a = (long long) a * a % M;
        n /= 2;
    }
    return p;
}
int main()
{
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    int n, p;
    fin >> n >> p;
    fout<< putere(n, p);
    return 0;
}