Cod sursa(job #291923)
| Utilizator | Data | 30 martie 2009 16:22:42 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.38 kb |
#include<fstream.h>
long long k;
long long putere(long long p)
{
long long q;
if (p<=1) if (p) return k%1999999973;
else return 1;
else q=putere(p/2);
if (p%2) return (k*q*q)%1999999973;
else return (q*q)%1999999973;
}
int main()
{
long long p;
ifstream f("lgput.in");
f>>k>>p;
f.close();
ofstream g("lgput.out");
g<<putere(p);
g.close();
return 0;
}