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

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

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@ -63,10 +63,17 @@ Most languages don't have a built in Queue class which to be used, and candidate
- Queue with one item
- Queue with two items
## Recommended questions
## Essential questions
_These are essential questions to practice if you're studying for this topic._
- [Implement Stack using Queues](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 Queue using Stacks](https://leetcode.com/problems/implement-queue-using-stacks)
- [Implement Stack using Queues](https://leetcode.com/problems/implement-queue-using-stacks)
- [Design Circular Queue](https://leetcode.com/problems/design-circular-queue)
- [Design Hit Counter (LeetCode Premium)](https://leetcode.com/problems/design-hit-counter)