Cod sursa(job #1141969)
| Utilizator | Data | 13 martie 2014 12:46:16 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.52 kb |
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int n, p;
long long ridicare(int p)
{
long long aux;
long long rez;
if (p == 1)
rez = n;
else if (p == 2)
rez = n * n;
else
{
aux = ridicare(p / 2);
rez = ( (aux * aux) % MOD) * ( p % 2 == 1 ? n : 1);
}
return rez % MOD;
}
int main()
{
fin >> n >> p;
fout << ridicare(p) % MOD << '\n';
return 0;
}
