Description
Ad Hoc
Ad Hoc problems are those that don't fall into a particular category or style of problem. This means that you generally won't be able to reuse code or previous solutions to solve them.
Start & End Times
| Start Time | 2025-09-25 00:00 CEST |
| End time | 2025-10-02 00:00 CEST |
Problems
| Label | Problem |
|---|---|
| A | Undead or Alive |
| B | Symmetric Order |
| C | Sun and Moon |
| D | Boss Battle |
| E | Garage Door Code |
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