Cod sursa(job #2084114)
| Utilizator | Data | 8 decembrie 2017 17:42:05 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.47 kb |
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int nr;
int putere(int x, int n) {
if (n == 0) {
return 1;
}
if (n == 1) {
return x;
}
int p = x * x;
if (n % 2 == 0) {
return putere(p, n / 2);
}
return nr * putere(p, n / 2);
}
int main()
{
int n;
in >> nr >> n;
out << putere(nr, n) % MOD;
return 0;
}
