Start & End Times
| Start Time | 2021-11-05 01:00 CET | 
| End time | 2021-11-12 00:00 CET | 
Problems
| Label | Problem | 
|---|---|
| A | Line Segment Intersection | 
| B | Line Segment Distance | 
| C | Board Wrapping | 
| D | Fractal | 
| E | War on Weather | 
| F | Birthday Cake | 
Scoring
Pass/Fail — Ranked
Explanation:
Each problem is pass/fail. Participants are ranked by the number of solved problems, breaking ties by penalty (sum of time + 20 minutes per wrong submission, for all solved problems). Time is rounded to minutes.
Standings
- Standings are shown without limitation.
 
Languages
Ada Algol 60 Algol 68 APL Bash BCPL BQN C C# C++ COBOL Common Lisp Crystal D Dart Elixir Erlang F# Forth Fortran Fortran 77 Gerbil Go Haskell Icon Java JavaScript (Node.js) JavaScript (SpiderMonkey) Julia Kotlin Lua Modula-2 Nim Objective-C OCaml Octave Odin Pascal Perl PHP PL/I Prolog Python 2 Python 3 Racket Ruby Rust Simula 67 Smalltalk SNOBOL Swift TypeScript Visual Basic Zig