Cod sursa(job #482208)
Utilizator | Munteanu Valentin CyberneticLord | Data | 2 septembrie 2010 20:05:58 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long log(long long int N,long long int P)
{
if(P==0) return 1;
if(P%2==1) return (P*log(N,P-1));
long long int X;
X=log(N,P/2);
return X*X;
}
int main()
{
long long N,P;
fin>>N>>P;
fout<<log(N,P);
fin.close();
fout.close();
return 0;
}