776. Split BST

• 776. Split BST
  • Description
  • Intuition
  • Pitfall
  • Solution

Description

Here

Intuition

很简单的recursion

1. if root.val > V
   1. res[1] must be root
   2. root.left will be result of 1st(0 based) element of splitBST(root.left, V)
   3. res[0] must be result of 0th(0 based) element of splitBST(root.left, V)

Pitfall

Solution