Cod sursa(job #2850470)
Utilizator | Data | 16 februarie 2022 20:18:55 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int n,p;
int ridic_la_putere(int n,int p)
{
if(p==0)
return 1;
if(p%2==1)
{
return n*ridic_la_putere(n,p-1);
}
int P=ridic_la_putere(n,p/2);
return P*P;
}
int main()
{
fin>>n>>p;
fout<<ridic_la_putere(n,p);
}