Cod sursa(job #1852826)
Utilizator | Data | 21 ianuarie 2017 10:55:04 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <fstream>
using namespace std;
ifstream f ("lgput.in");
ofstream g ("lgput.out");
int pow(int x, int p)
{
int rez=1;
//int r;
while (p)
{
if (p%2==1)
{
rez=rez*x;
//rez%=r;
}
x=x*x;
//x%=r;
p/=2;
}
return rez;
}
int main()
{
int n, p;
g << pow(n,p);
return 0;
}