Cod sursa(job #933923)
Utilizator | Data | 30 martie 2013 13:25:03 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include<fstream>
using namespace std;
int n,p;
fstream f("lgput.in",ios::in);
fstream g("lgput.out",ios::out);
long long expo(int a, int b)
{
long long result=1;
while (b)
{
if (b&1)
{
result *= a;
}
b >>=1 ;
a *= a;
}
return result;
}
int main()
{
f>>n>>p;
g<<expo(n,p);
return 0;
}