295 Find Median from Data Stream

Summary

• https://leetcode.com/problems/find-median-from-data-stream/

Main Idea

• Max/Min 두 Heap으로 중간값을 구해본다
• Heap: https://yoonki.notion.site/Sorting-question-d83e8e0d518e41ce88d853cf9606502a
• Java PriorityQueue: https://blog.advenoh.pe.kr/java/%EC%9E%90%EB%B0%94-%EC%9E%90%EB%A3%8C%EA%B5%AC%EC%A1%B0-Priority-Queue-%EC%9A%B0%EC%84%A0%EC%88%9C%EC%9C%84-%ED%81%90/

347. Top K Frequent Elements

Summary

• https://leetcode.com/problems/top-k-frequent-elements/

Main Idea

• Heap
• Quick Selection