Cod sursa(job #1529681)

Utilizator paul1324564Alexandru Paul paul1324564 Data 21 noiembrie 2015 10:29:15
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.28 kb
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int pute(int a,int n){
 if(n==0)
    return 1;
 if(n%2!=0)
        return a*pute(a*a,n/2);
 return pute(a*a,n/2);
}
int main()
{
int n,m;
in>>n;
in>>m;
out<<pute(n,m);
return 0;
}