Cod sursa(job #3198233)
Utilizator | Data | 28 ianuarie 2024 15:24:52 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
long long int n,p;
long long int pw(int n, int p)
{
if(p==1) return n;
if(p%2==0)
{
return pw(n*n,p/2);
}
else{
return n*pw(n,p--);
}
}
int main ()
{
cin>>n>>p;
cout << pw(n,p);
return 0;
}