Cod sursa(job #1040706)
Utilizator | Data | 24 noiembrie 2013 20:24:47 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
const int x=1999999973;
long long n, p;
long long power(long long n, long long p)
{
long long a=1;
while(p>0)
{
if(p&1)
{
a=a*n%x;
p--;
}
n=n*n%x;
p>>=1;
}
return a;
}
int main()
{
cin>>n>>p;
cout<<power(n, p);
}