int main()
{
int a[10], b[], c[] ,i, y, x;
for(i=0, i<10, i++) a[i]=i;

for(y=0, y>b[], y++; /*can i do that?*\
{
if a[i]>0
b[y]=i
else if (a[i]<0)
{
(x=0, x<c[], c++} a[i]= c
}