Description
This week we are kicking off our weekly competitions with a cryptography hacker themed contest. Enjoy!
Start & End Times
| Start Time | 2025-10-02 02:00 CEST |
| End time | 2025-10-08 22:00 CEST |
Problems
The contest has not yet started. The problems will become available when the contest starts.
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