Cod sursa(job #148389)
Utilizator | Data | 4 martie 2008 11:32:01 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.47 kb |
#include <cstdio>
#define MAGIC 1999999973
long long n, p;
long long ntothe(long long a, long long b)
{
long t1;
switch(b)
{
case 1:
return a;
case 0:
return 1;
}
if(b % 2)
{
t1 = ntothe(a, b/2);
return (((t1*t1)%MAGIC)*a)%MAGIC;
}
else
{
t1 = ntothe(a, b/2);
return (t1*t1)%MAGIC;
}
}
int main()
{
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
scanf("%lld%lld", &n, &p);
printf("%lld\n", ntothe(n, p));
return 0;
}