Cod sursa(job #558153)
Utilizator | Data | 17 martie 2011 09:31:41 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.28 kb |
#include<fstream>
using namespace std;
ifstream intrare("logput.in");
ofstream iesire("logput.out");
int n,r,x,rez,px;
int main()
{
intrare>>x;
rez=1;
px=x;
intrare>>n;
while(n>0)
{
r=n%2;
if(r==1)
rez=rez*px;
n=n/2;
px=px*px;
}
iesire<<rez;
}