printing format

stacy12 · #1 29-Mar-2005, 13:22

i am trying to print this function 4 right justify ,18 columns formats.
Can anyone help me
below is what i did but , it's not working

CPP / C++ / C Code:

void preorder(NODEPTR p)
{
 int columns = 0;
  if(p != NULL)
    {
      printf("%4d",p->value);

      preorder(p->left);
      preorder(p->right);
      columns++;
      if(columns%18==0)
      printf("\n");


    }
  else
    return;
}

WaltP · #2 30-Mar-2005, 02:14

Every time you enter the function, columns is reset to zero. Put static in front of the declaration.

By the way, please tell us what the code is doing so we know what we're looking for. It saves us having to ask for harder problems and you have to post again to explain.

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