Cod sursa(job #2793282)

Utilizator iClauAdrian Chis iClau Data 3 noiembrie 2021 13:41:13
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.45 kb
#include <iostream>
#include <fstream>
using namespace std;

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

int logput(int n, int p)
{
    int r = 1;
    while (p)
    {
        if (p % 2 == 1)
            r = (1LL * r * n) % mod;
        n = (1LL * n * n) % mod;
        p = p / 2;
    }
    return r;
}
const int mod = 1999999973;
int main()
{
    int n, p;
    fin >> n >> p;
    fout << logput(n, p);

    return 0;
}