Cod sursa(job #146286)
Utilizator | Data | 1 martie 2008 15:17:31 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <stdio.h>
int n, p, mod;
int putere(int n, int p)
{
if (p == 1) return n;
else if (p % 2) return ((((putere(n,p/2) % mod) * (putere(n,p/2) % mod)) % mod) * n) % mod;
else return ((putere(n,p/2) % mod) * (putere(n,p/2) % mod)) % mod;
}
int main()
{
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
mod = 1999999973;
scanf("%d %d",&n,&p);
printf("%d\n",putere(n,p) % mod);
return 0;
}