Cod sursa(job #2917604)
| Utilizator | Data | 5 august 2022 21:45:32 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.54 kb |
#include <iostream>
#include <fstream>
std::ifstream fin("lgput.in");
std::ofstream fout("lgput.out");
long long int logarithmic(int n, int p, const int modulo)
{
if (p == 0)
{
return n;
}
if (p % 2 == 1)
{
return ((n * (logarithmic(n, p - 1, modulo) % modulo)) % modulo);
}
return (((logarithmic(n, p / 2, modulo) % modulo) * (logarithmic(n, p / 2, modulo) % modulo)) % modulo);
}
int main() {
int n, p;
const int modulo = 1999999973;
fin >> n >> p;
fout << logarithmic(n, p, modulo);
return 0;
}