### Binary Tree vertical sum using doubly linked list (DLL)

**Hint : Solution is based on horizontal distances**

Latest Source Code:

Github: BinaryTreeVerticalSumUsingDLL.java

**Output:**

20 / \ / \ / \ / \ 8 22 / \ \ / \ \ 4 12 25 / \ 10 14 Sum : 4 18 32 36 25