Cod sursa(job #265873)
| Utilizator | Data | 24 februarie 2009 17:53:04 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.48 kb |
#include<fstream>
#include<iostream>
using namespace std;
long power(long n, long p)
{ int x;
if(p==0)
return 1;
if(p%2==0)
return power(n, p/2)*power(n,p/2);
if(p%2!=0)
return n*power(n, p-1);
}
int main()
{
long n, p, s;
ifstream f("lgput.in");
f>>n>>p;
f.close();
s=power(n,p);
ofstream g("lgput.out");
g<<s%1999999973;
g.close();
return 0;
}
