Cod sursa(job #337076)
Utilizator | Data | 2 august 2009 14:35:49 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include <fstream>
using namespace std ;
ifstream f("lgput.in");
ofstream g("lgput.out");
long n,p,mod=1999999973;
void citire ()
{
f>>n>>p;
n%=mod;
f.close ();
}
long power (long n, long p)
{
if (p==0) return 1;
else if (p%2)
return (n*power(n,p-1))%mod;
else
{
long aux=power(n,p/2);
return (aux*aux)%mod;
}
}
int main ()
{
citire ();
g<<power (n,p);
g.close ();
return 0;
}