README.md

Build:

go build .

Usage:

Usage: ./lctree <leetcode tree>
Convert a leetcode tree into DOT

Example:
- Print the tree in DOT
./lctree "[1,null,2,3]"

- Open the tree directly with an image viewer (e.g feh)
./lctree "[1,null,2,3]" | dot -Tpng | feh -