Archive

「我干了什么 究竟拿了时间换了什么」
2026

robotics, day 11

uhhhhh........


robotics, day 10

slowly might be an understatement


robotics, day 9

it continues... slowly


a few notes of what (not) to do on week 1

inspired by the failure of 41's first week


that this might be my last year of competitive programming

it's been a good run


day 5, shooter prototype

only took us a week


a larger perspective on robotics

wow it really is like watching a movie


day 3 of robotics

it continues


day 2 of robotics

it's already very joever


day 1 of robotics

some fun


robotics season started

interesting game for sure


USACO

scuffed ahh contest


USACO is tomorrow

it might be over


reflections on teaching robotics

little kids are annoying... but perhaps insightful?


too much to do

and no time to do it


on blogging

what to write about


how i got here

how did i get here? ??


2025

ioi 2025 day 1

first virtual in like a year


imposter syndrome

i'm actually pretty bad at physics


winter break

rip


how my college predictions went

tl;dr not very informative?


predictions on the robotics season

soon, we'll know how they turn out


memories of USACO server

back when...


post mit decision thoughts

现在,我想干什么?真的想要干什么?


mit decisions came out today

tl;dr i got in


every timeline I've had on AI has been wrong

including my current internal timeline, probably


join zjs fanclub for updates


college apps, part 2, i guess??

so i was looking at some gaokao tests...


thoughts

in my perfect pre-mit clarity


musings on teaching

harder than it seems


M, IT, IT.

the best in-person competitive programming contest


some notes on alex's discussion of cp community

"nothing works when you're in high school..." (maybe?)


my physics journey

from failing fma 3x to usapho gold


what are colleges *really* looking for?

tl;dr orz != admit, but rng = admit


PUMaC 2025 results

:facepalm:


PUMaC 2025

my last HS team math competition, ever, probably


reflections on 8 years of robotics - part iii

and?


reflections on 8 years of robotics - part ii

...high school


reflections on 8 years of robotics - part i

before high school


its been a while [long version]

"i really regret not blogging"


its been a while

"i really regret not blogging"


2024

life goes on

what I did last month (tl;dr didn't do cp)


thoughts on sat and fbhc

does life ever get any better


peak procrastination for sat :notlikeblob

10/10 do not recommend


updates i guess

idk what to hope for at this point


another unproductive week

hopefully a productive weekend


rant

:weary:


CNOI 2024 day 2 thoughts

did so badly...


another week of school

ap lit is ruining me


CNOI 2024 day 1 thoughts

didn't do *too* badly...


thoughts before noi virtual

im dumb im dumb im dumb im dumb im dumb


school starts

not feeling productive


finally somewhat productive

contest failures ono


another weekend of idling


Some faq about usaco, for all your usaco q/a needs

why does everyone ask me for advice aaahhhhh


no time

or just too much to do.......


Solution notes for codechef round

mindsolving again, i guess


Solution notes for EDU round

only +2 delta...


Afterthoughts on Pinely Round and Teamscode

waymo orzorzorzorzorzorzorzorzorzorzorzorzorzorzorzorzorzorzorzorzorzorz


There is no "Proof by AC" in physics

thoughts on learning physics


Bomb and Penacony

arknights >>> hsr


Mindsolving CF 961 (Div 2)

tunnel vision + clownery


Hello world!

Hopefully not the last post...