contents(algo): split recommended qns into essential vs practice

This commit is contained in:
Yangshun Tay
2022-05-14 07:56:48 +08:00
parent 87a923079d
commit 016f1250b9
20 changed files with 175 additions and 35 deletions

View File

@ -63,10 +63,17 @@ Stacks are an important way of supporting nested or recursive function calls and
TODO: Monotonic stacks -->
## Recommended questions
## Essential questions
_These are essential questions to practice if you're studying for this topic._
- [Valid Parentheses](https://leetcode.com/problems/valid-parentheses)
- [Implement Queue using Stacks](https://leetcode.com/problems/implement-queue-using-stacks)
## Recommended practice questions
_These are recommended questions to practice after you have studied for the topic and have practiced the essential questions._
- [Implement Stack using Queues](https://leetcode.com/problems/implement-queue-using-stacks)
- [Min Stack](https://leetcode.com/problems/min-stack)
- [Asteroid Collision](https://leetcode.com/problems/asteroid-collision)