Recently, I’ve been revisiting the Poisson distribution, and honestly — it still feels a bit counterintuitive to me.
This blog is usually maintained and updated once per week.
-
Beyond the Ballot Box — Lattice Paths under Piecewise Linear Boundaries
Thoughts surrounding Ballot Box problem and the extensions of it.
-
A Random Thought on Sum of Geometric Series Inspired by an Easy Probability
Recently, while reviewing the formula for the sum of a geometric series, I stumbled upon an unexpectedly elegant connection to a simple probability problem.
-
[Notes] - Competitive Programming 4
Notes for Competitive Programming 4. A very good book.
-
Road to Jane Street
Dream. Plan. Do.
-
健身打卡
健身日记
-
[CF] 520B - Two Buttons
Interesting problem with a much easier solution using mathematical methods.
-
[CF] 279B - Books
Easy question but I thought of it in a too difficult way.
-
[CF] 455A - Boredom
I thought of a different approach to the question, not sure if it will work.
-
[CF] 189A - Cut Ribbon
A simple dynamic programming question.
-
[CF] 230B - T-primes
A simple problem on identifying prime numbers
-
[CF] 4C - Registration System
I learned some basics of C/C++, including scanf and cin, how to use hashMap in C, etc.
-
[CF] 25A - IQ test
My Very First CF problemset