Cod sursa(job #3357583)
| Utilizator | Data | 11 iunie 2026 18:40:06 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.53 kb |
#include <iostream>
#include <fstream>
using namespace std;
const int mod = 19994993;
long long exp_log_rec(long long x, long long n) {
if (n == 0) return 1;
if (n % 2 == 0) {
return exp_log_rec((x * x) % mod, n / 2) % mod;
}
else {
return (x * exp_log_rec((x * x) % mod, n / 2)) % mod;
}
}
int main() {
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n, p;
fin >> n >> p;
fout << exp_log_rec(n, p) << "\n";
fin.close();
fout.close();
return 0;
}