Cod sursa(job #1509110)
Utilizator | Data | 23 octombrie 2015 15:19:55 | |
---|---|---|---|
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;
int main()
{
ifstream in ("lgput.in");
ofstream out ("lgput.out");
int n, k, r=1;
in>>n>>k;
while(k != 1)
{
if(k%2==0)
{
n=n*n;
k=k/2;
}
else
{
k=k-1;
r=r*n;
}
}
n=n*r;
out<<n<<'\n';
return 0;
}