Cod sursa(job #373240)
| Utilizator | Data | 13 decembrie 2009 02:29:26 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.36 kb |
#include <fstream>
unsigned int logpow (unsigned int A, unsigned int B)
{
unsigned int ret = 1;
for (; B; B >>= 1, A *= A)
if (B & 1) ret *= A;
return ret;
}
int main ()
{
std::ifstream fin("lgput.in");
std::ofstream fout("lgput.out");
unsigned int A,B;
fin >> A >> B; fout << logpow(A, B);
fin.close();
fout.close();
return 0;
}
