CS50: try After Week 1 practice problems #powerup

finish FreeCodeCamp debugging + start of basic data structure challenges #nawledge

CS50: finish Wk 3 Section #powerup

Figured out a new approach to studying Leetcode where every morning and evening I write out the code for the basic component-algorithms of Leetcode solutions as quickly as possible: breadth-first search, depth-first search, binary search, sliding window, etc.

CS50: finish After Week 1 practice problems #powerup