Cod sursa(job #795686)
Utilizator | Data | 9 octombrie 2012 13:17:37 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include <fstream>
using namespace std;
ifstream f("ceva.in");
ofstream g("ceva.out");
const int m = 1999999973;
long long n,k;
long long p(long long n,long long k)
{
if ( n==1 )
return k;
else
{
long long x=p(n/2,k);
if ( n%2 == 0)
return x*x;
else
return x*x*k;
}
}
int main ()
{
f>>k>>n;
g<<(p(n,k)%m);
return 0;
}