Cod sursa(job #1511513)
Utilizator | Data | 26 octombrie 2015 20:34:05 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.29 kb |
#include <fstream>
using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
int main()
{int n ,p,a=1;
in>>n>>p;
while (p>1)
{
if(p%2==0)
{
n=n*n;
p=p/2;
}
else {a=n*a;
n=n*n;
p=(p-1)/2;} }
out<<n*a;
return 0;
}