Cod sursa(job #1023947)
| Utilizator | Data | 7 noiembrie 2013 21:50:44 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.37 kb |
#include <stdio.h>
#define nr 1999999973
long long putere (int x , int n)
{
if (n == 1)
return x;
long long p = (putere (x,n/2)) % nr;
if (n % 2 == 0)
return (p * p) % nr;
return (x * p * p) % nr;
}
int main()
{
freopen ("lgput.in","r",stdin);
freopen ("lgput.out","w",stdout);
int x, n;
scanf ("%d %d", &x , & n);
printf ("%lld",putere(x,n));
}
