Cod sursa(job #1287420)
Utilizator | Data | 7 decembrie 2014 15:27:55 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include<fstream>
using namespace std;
unsigned long long PutereLogaritmic(double x,int n)
{
unsigned long long p = 1 ;
while (n > 0)
{
if (n % 2 == 1)
{
p*=x;
n--;
}
x*=x ;
n/=2;
}
return p;
}
unsigned long long n,p;
int main()
{
ifstream f("lgput.in");
ofstream f1("lgput.out");
f>>n>>p;
f1<<PutereLogaritmic(n,p)%1999999973;
return 0;
}