Cod sursa(job #1925818)
Utilizator | Data | 13 martie 2017 19:01:21 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <fstream>
using namespace std;
long long Power(int n,int k);
int main()
{
ifstream cin("lgput.in");
ofstream cout("lgput.out");
long long n,k;
cin>>n>>k;
cout<<Power(n,k);
return 0;
}
long long Power(long long n, long long k)
{
if(k==0)
return 1;
long long r;
r=Power(n,k/2);
r*=r;
if(k%2==1)
r*=n;
return r;
}