Cod sursa(job #1165664)

Utilizator gbibBacotiu Gabi gbib Data 2 aprilie 2014 20:10:38
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include <fstream>

using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long int n,p;
long long int put(long long int n,long long int p)
{if (p<0) return put(1/n,p);
else if(p==0) return 1;
else if(p==1) return n;
else if(p%2==0) return put(n*n,p/2);
else if(p%2==1) return n*put(n*n,(p-1)/2);


}
int main()
{
    in>>n>>p;
    out<<put(n,p)%1999999973<<'\n';
    return 0;
}