- Leetcode - Set Matrix Zeroes
  collapsed:: true
	- Times:
		- Time when completed: 08:51
		- Time taken to complete: about 30 mins with answer
		- Revisions:
	- Tags:
		- Algorithms: #array_in_place_operation
		- Data structures: #vector_2d #array
		- Difficulty: #difficulty_medium
		- Platforms: #leetcode
	- Links:
		- link to the problem
	- Problem:
		- to-be-filled
	- Examples:
		- ```
		  
		  ```
	- Constraints:
		- to-be-filled
	- Thoughts:
		- Intuition:
		- Approach:
	- Solution:
		- Code
-
- Todo
	- LATER https://github.com/iamcco/markdown-preview.nvim
	- DONE 带有辅助线的五线谱识别作业
-
- 书单
	- DONE todo: 把新书加上去
-
- DONE 学数电 lab
  SCHEDULED: <2023-04-19 Wed>