Cod sursa(job #1650030)

Utilizator adiXMGemene Adrian adiXM Data 11 martie 2016 16:14:30
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.39 kb
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
inline int Put_Log(long long x,long long n)
{
    if(n==1)
        return x;
    if(n==0)
        return 1;
    if(n&1)
        return 1LL*Put_Log(x,n-1);
    x=Put_Log(x,n/2);
    return 1LL*x*x;
}
int main()
{
    long long n,p;
    f>>n>>p;
    g<<Put_Log(n,p)<<"\n";
    return 0;
}