Cod sursa(job #1529681)
Utilizator | 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;
}