Winter 2026

"BRRR - it's cold! I think a nice cup of Shindler-recommended tea, an in-house programming competition to best my peers, and a end-of-quarter Hackers movie night would really warm things up..!"

Combinatorics by Effie

Week 1 - Combinatorics Part Two

Round 2 of our lovely (former) secretary Effie Shen presenting on combinatorics - how to count, some useful techniques involved, and DP combinatorics (scary)!

Week 2 - Data Structures

Learn about all the fundamental data structures from the wonderful (former) president Evan Liu: arrays, hash tables, deques, heaps, trees, graphs - and so much more! :)

Intro Data Structures F23

Jeopardy 1/21/2026

Week 3 - Jeopardy Night

Do you know the names of your board members?

Your obscure math facts and formulas?

How to identify "pollard rho" from a set of unrelated images?

If so, you might be the perfect contestant for ACM JEOPARDY NIGHT!

Just make sure to say BUZZ (and perhaps MEOW) before you answer, and always start with "What is"!

(Also be sure to enjoy yourself to some nice apple cinnamon tea)

Week 4 - Union Find

Explore the wonderful union-find data structure - what it is, what problems it's good for, some fun MST algorithms, and all the groovy DSU optimizations! Presented by our glorious Internal VP, Grace Chia.

Union-Find

Identifying Paradigms

Week 5 - Identifying Paradigms

Our rad external VP Jayden Entenmann lectures on how to best identify paradigms in competitive programming problems. If you have trouble figuring out the right algorithm to use or want to see some live solving, this is the meeting for you!

Week 6 - ACM MATH DAY

Miller-Rabin primality tests, Pollard Rho factorization, roots of unity - ACM is going to prove that you can go from counting on your fingers to tackling advanced math concepts in a few weeks.

Have fun with us at our meeting 6-8pm at DBH 4011 on 2/11 for Association of Computing Math Edition! Lecture given by our (new) problem writer, Paul.

acmslides

Week 7 - In-House Programming Contest

Not a lecture, but a fun, epic, programming contest, with some fun, epic, Cha For Tea gift card prizes :)

Week 8 - Probabilities

What's the probability of you improving your codeforces ranking in the next contest? We don't know, but it'll surely be higher if you had joined us at our meeting at 6-8pm in DBH 4011 on February 25 to learn about Probabilities! Presented by our webmaster Alexa :D

Probabilities (ACM)

Matchings

Week 9 - Matchings

Are you a team leader or planning to be one (or play any video games where you have a team)? If you are, you will encounter the problem of assigning tasks to your team members based on their strengths. But how do you do that when the complex homo sapien has multiple strengths? For this week's meeting, we will be learning how to find maximum matchings using graph theory. This will be taking place at DBH 4011 on 3/4 at 6pm. (Presented by our wonderful (former) events-coordinator, Cindy)

Week 10 - Movie Night

Ready – set – let's watch the 1995 classic, Hackers! A totally accurate and realistic portrayal of hacking against the forces of evil! (I'm not sure how to display sarcasm through text...)

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