M3TILE - LATGACH3
Tác giả: hieult
Ngôn ngữ: C++
#include <stdio.h>
//#include <conio.h>
main()
{
long n,m,f[17];
f[0]=1;
for(int i=1;i<=15;i++)
{ f[i]=f[i-1]*3 ;
for(int j=0;j<=i-2;j++)
f[i]=f[i]+2*f[j];
}
do
{ scanf("%ld",&n);
if(n==-1)
break;
if(n%2!=0)
printf("0\n");
else
printf("%ld\n",f[n/2]);
}
while(n!= -1);
}