Cod sursa(job #810029)
Utilizator | Data | 9 noiembrie 2012 14:35:50 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
unsigned long expo(long a, long b)
{
unsigned long result = 1;
while (b){
if (b&1)
{
result *= a;
}
b >>=1 ;
a *= a;
}
return result;
}
int main()
{
long n,p;
fin>>n>>p;
fout<<expo(n,p)%1999999973;
return 0;
}