Directory usage
. my profiles
algods algorithm and data structure related
assets resources file
lib js and css library on this project
virtual some html games
lc example: u5n.github.io/lc?id=123, redirect to leetcode problem by id
_layouts customizing theme’s HTML layout of github page
place code position
comment in https://puzzling.stackexchange.com/questions/10130/turn-off-all-lights-in-a-ring-shaped-palace https://github.com/u5n/u5n.github.io/blob/master/virtual/game/turn-off-all-lights-in-a-ring-shaped-palace.py