Mc’s Substack
Mc ChengMy personal Substack
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 6 | Subscribers | Read | mccheng.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
Jane Street Binary Tree Puzzle 2: Sum One, Somewhere
# Binary Tree Probability Puzzle
Jane Street Binary Tree Puzzle 1: Tree-edge Triage
# Binary Tree Game Puzzle
How I solved Jane Street's 2025-01 puzzle
# Somewhat Square Sudoku
Probability puzzle: Penney's game
Penney's game is a fascinating probability puzzle that you and your friend can play with a fair coin. The rules are simple: you toss the coin repeatedly and write down the sequence of outcomes. You win if the sequence "HHT" (heads-tails-hea...
Authors
The writers behind this newsletter.
A machine learning enthusiast. Write topics related to maths, probability, puzzles, machine learning, and more.
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