Cod sursa(job #1456258)
Utilizator | Data | 30 iunie 2015 11:16:15 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.27 kb |
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
int n,p,i,r=1;
in>>n>>p;
for(i=0;(1<<i)<=p;i++)
{
if((1<<i)&p)
r=r*n;
n=n*n;
}
out<<r;
return 0;
}