Cod sursa(job #373246)
Utilizator | Data | 13 decembrie 2009 02:57:07 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <fstream>
unsigned int logpow (unsigned int A, unsigned int B)
{
unsigned int ret = 1;
for (; B; B >>= 1, A = (A*A)%1999999973)
if (B & 1) ret = (ret*A)%1999999973;
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)%1999999973 << '\n';
fin.close();
fout.close();
return 0;
}