Cod sursa(job #2919218)
| Utilizator | Data | 16 august 2022 15:20:33 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.5 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int DIV = 1999999973;
int power(int base, int pow) {
if (pow <= 0) {
return 1;
}
if (pow % 2 == 0) {
return (power(base, pow / 2) % DIV * power(base, pow / 2) % DIV) % DIV;
} else {
return (base % DIV * power(base, pow / 2 - 1) % DIV) % DIV;
}
}
int main() {
int n, p;
fin >> n >> p;
fout << power(n, p);
}
