Cod sursa(job #1165653)
| Utilizator | Data | 2 aprilie 2014 20:06:54 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.4 kb |
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int n,p;
long long put(int n,int p)
{if (p<0) return put(1/n,p);
else if(p==0) return 1;
else if(p==1) return n;
else if(n%2==0) return put(n*n,p/2);
else if(n%2==1) return n*put(n*n,(p-1)/2);
}
int main()
{
in>>n>>p;
out<<put(n,p)%1999999973<<'\n';
out<<put(n,p);
return 0;
}
