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2021 NA Regionals Practice Contest 4

Welcome to 2021 NA Regionals Practice Contest 4

This is the contest system for 2021 NA Regionals Practice Contest 4. The contest has now finished. You can view the final results.

11
Problems
26 / 21
Contestants / Teams
40
Languages
85
Submissions

Start & End Times

Start Time 2022-02-06 19:00 CET
End time 2022-02-07 00:00 CET

Problems

Label Problem
A Altruistic Amphibians
B Baby Bites
C Code Cleanups
D Delivery Delays
E Explosion Exploit
F Firing the Phaser
G Game Scheduling
H House Lawn
I Intergalactic Bidding
J Jumbled String
K King's Colors

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

Algol 68 APL Bash C C# C++ COBOL Common Lisp Crystal Dart F# Fortran Gerbil Go Haskell Java JavaScript (Node.js) JavaScript (SpiderMonkey) Julia Kotlin Lua Nim Objective-C OCaml Octave Odin Pascal Perl PHP Prolog Python 2 Python 3 Ruby Rust Simula 67 SNOBOL Swift TypeScript Visual Basic Zig