Cod sursa(job #2923981)
| Utilizator | Data | 22 septembrie 2022 14:35:54 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.43 kb |
#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <cstring>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int m = 1999999973;
int n, p;
int64_t putere(int64_t n, int64_t p)
{
if (p == 0)
return 1;
int64_t r = putere(n, p / 2);
r = r*r;
if (p % 2 == 1)
r =r * n;
return r;
}
int main() {
fin >> n >> p;
fout << putere(n, p);
}