21

Welcome to 21

This is the contest system for 21. The contest has now finished. You can view the final results.

14
Problems
1 / 2
Contestants / Teams
31
Languages
3
Submissions

Start & End Times

Start Time 2023-09-13 01:11 CEST
End time 2023-09-13 04:11 CEST

Scoring

Ranked Pass/Fail

Explanation:
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

APL Bash C C# C++ COBOL Common Lisp Dart F# Fortran Gerbil Go Haskell Java JavaScript (Node.js) JavaScript (SpiderMonkey) Julia Kotlin Objective-C OCaml Pascal PHP Prolog Python 2 Python 3 Ruby Rust Swift TypeScript Visual Basic Zig