Cod sursa(job #3242471)
Utilizator | Data | 12 septembrie 2024 14:44:56 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int n, p;
int lgpow(int a, int b){
if(b==0)
return 1;
if(b%2==1)
return a*lgpow(a, b-1);
if(b%2==0)
return lgpow(a, b/2)*lgpow(a, b/2);
}
int main()
{
fin>>n>>p;
fout<<lgpow(n, p);
return 0;
}