K Closest Points from Origin

https://www.youtube.com/watch?v=eaYX0Ee0Kcg

Dynamic Programming

Intro CSDOJO: https://www.youtube.com/watch?v=vYquumk4nWw

Heaps

MinHeap
https://www.youtube.com/watch?v=t0Cq6tVNRBA&t=12s

PriorityQueue Java Example:
https://www.journaldev.com/1642/java-priority-queue-priorityqueue-example

Minimum Window Substring

https://leetcode.com/problems/minimum-window-substring/

Longest Substring with Repeating Characters

https://www.youtube.com/watch?v=00FmUN1pkGE

Median in a running data stream

https://www.youtube.com/watch?v=VmogG01IjYc

https://www.youtube.com/watch?v=1CxyVdA_654

Moving Average as part of Sliding Window

https://www.youtube.com/watch?v=E-kjYOZEBxY

Merge K Sorted Lists

https://www.youtube.com/watch?v=zLcNwcR6yO4