Plans

1. Educative giveaway winners - DONE
   1b) Edit previous videos description
2. Fixing chatbot - IMPOSSIBLE
3. Create a page so people could make suggestions (maybe subreddit?)
   3b) Find a person to handle Linkedin, Subreddit, Facebook, Twitter, Discord
4. Working on video ideas
5. Working on FAQ
6. Learning Massey algorithm
7. figure out some stream layout to display what I'm doing (every 2-3 minutes it should show some info)

Lectures

• DP with bitmasks
• Computational geometry
• Trees, graphs
• Time complexity
• Iterative segment trees
• Debugging
• How to make FFT fast - CF article
• Combinatorics: permutations and combinations
• centroid decomposition

Problems

• https://atcoder.jp/contests/abc164/tasks/abc164_d
• https://leetcode.com/problems/super-egg-drop/ with real video of breaking eggs

Other

• How I cheated in Google Kickstart?
• Shout-out to smaller coding channels "Algo/coding channels worth watching"
  • William Lin
  • retrograd https://www.youtube.com/channel/UCI-n1rZ2qMCz6h53EoEAYlw
  • algopedia
• Good statements
  • shitty statement of https://leetcode.com/problems/magical-string/ and my https://codeforces.com/contest/790/problem/A
• DP on digits
  • harder: https://www.spoj.com/problems/ONEZERO/ - solved in BPS, surprisingly dp or BFS
  • medium-hard: https://codeforces.com/contest/1070/problem/A

Not in next 3 months

• My journey in CP
• What is competitive programming?
• LIS
• Persistent data structures - CF article?
• Aliens from IOI 2016 (lecture?)
• 5 simplest/main mistakes in competitive programming
• Convex hull of lines
• CHT
• Sqrt decomposition on trees
• Mo’s algorithm on tree
• Kickstart problems
• https://leetcode.com/problems/increasing-triplet-subsequence/
• Matrix exponentiation
• DP problems from https://cses.fi/problemset/
• https://leetcode.com/problems/maximum-gap/ - hard problem
  • similar: Gap from http://apio-olympiad.org/2016/

Streams todo

• check out https://binarysearch.io/ during a stream

Plans

• Edit the pinned comment on Facebook/Errichto.
• Make more lectures.
• Schedule regular streams: Mon 12-16, Tue 9-16, Fri 12-18.
• Use https://ddownr.com/ to download videos (to move them between channels).
• Ask in Discord for timestamps in lectures (1 and 2 are done). Or combine that with subtitles subchannel?
• Make a CF round and record making it.
• Write a Codeforces FAQ.
• Make important bookmarks (chat, twitch, youtube, discord, etc.).
• Finish CP's Handbook.
• Answer some questions on Quora and StackOverflow to advertise the channel.
• amazon affiliate links in FAQ
• do very easy topics?
• abandon responding on FB?
• abandon Twitch?
• work on chatbot, possibly switch to cloudbot that is built in streamlabs OBS
• if chatbot isn't enough, think about 25min-work-5min-questions.
• create a default response in FB
• Modify old thumbnails?
• A new account in Polygon?
• Find a mod?
• Check out new Windows terminal.

Facebook easy problems

• https://codeforces.com/contest/574/problem/B - count triangles, N, M ≤ 4000
  • Youtube video in O(X * sqrt(X))
• https://leetcode.com/problems/maximum-product-subarray/ - max product subarray
  • Youtube video on Kadane’s algo
• https://leetcode.com/problems/move-zeroes/ - easy
  • Youtube video on in-place merge sort
• https://leetcode.com/problems/arithmetic-slices/ - mention “two pointers” but solve by changing to the array of differences
• https://codeforces.com/contest/1088/problem/B

Garsia–Wachs algorithm

• https://atcoder.jp/contests/dp/tasks/dp_n
• https://atcoder.jp/contests/dp/submissions/3948843
• https://www.lydsy.com/JudgeOnline/problem.php?id=3229

Old Current Notes (before 100k stream):

add atcoder codes to github repo

check out github simulation thing by Ayan

polls / betting

TODO: in faq, add question "what drawing software do you use?", and "explain your templates / what are your templates / prewritten code"

TODO: figure out live annotations (youtube promoting a stream going live)

TODO: keep improving streamelements chatbot

TODO: change names of April Leetcode videos