Every month, quantitative trading firm Jane Street publishes a puzzle typically requiring logic, computer science, or math techniques to solve. Sometimes I try to solve these puzzles, and depending on the difficulty, I may upload my solution to this repository.
(in reverse chronological order; note that difficulty is my opinion and relative—even "easy" problems are often nontrivial)
| Year | Month | Puzzle | Attempted? | Solved? | Difficulty |
|---|---|---|---|---|---|
| Jan | Somewhat Square Sudoku | ✔️ | ✔️ | 🟡 Medium | |
| Dec | Games Night! | ✔️ | ✔️ | 🟢 Easy | |
| Nov | Beside the Point | ✔️ | ✔️ | 🟡 Medium | |
| Oct | Knight Moves 6 | ✔️ | ✔️ | 🟢 Easy | |
| Sep | Fences 2 | ✖️ | ✖️ | - | |
| Aug | Tree-edge Triage | ✔️ | ✔️ | 🟡 Medium | |
| Jul | Many Happy Returns | ✔️ | ✔️ | 🔴 Hard | |
| Jun | Altered States 2 | ✔️ | ✔️ | 🟡 Medium | |
| May | Number Cross 4 | ✔️ | ✔️ | 🔴 Hard | |
| Apr | Robot Capture-the-Flag | ✖️ | ✖️ | - | |
| Mar | Hooks 10 | ✖️ | ✖️ | - | |
| 2024 | Feb | Some Off Square | ✔️ | ✔️ | 🟡 Medium |