Make Trees
The directions of links are important to traverse the data structure smoothly.
![Make Trees](https://yuji-ghost-images.storage.googleapis.com/2021/04/makeTrees-1.png)
The directions of links are important to traverse the data structure smoothly.
![](https://yuji-ghost-images.storage.googleapis.com/2021/04/makeTrees.png)
The directions of links are important to traverse the data structure smoothly.
The directions of links are important to traverse the data structure smoothly.