TODAY

Today’s game

One coding puzzle. The clock starts when you open it.

Connecting…

Leaderboard

Fastest correct solve

Rank	Player	Time

How medals work

The three fastest finishers each day earn gold (3 points), silver (2), and bronze (1). Medals are awarded at 04:00 Prague time; DNF, unfinished, and late entries earn none. Random practice does not count.

Equal solve times are ordered by who submitted first, then by a fixed player ID if both match. Equal total points share a leaderboard rank.

A new puzzle at 04:00 Prague time.

Your time00:00.0

Solved.

Example

INPUT

RETURN

EXPLANATION

Your solution

Ctrl / ⌘ + Enter to run

Python 3.14

Python solution

Ln 1, Col 1Code stays in this tab · cleared on reload

Reveal the solution and finish as DNF.

Reference solution · read only

Input / output

Test input

JSON values; use double quotes for strings.

OUTPUT

Return your answer from solve.

Your name

This is how you’ll appear on the leaderboard. Your player ID, name, and rating are remembered when you return using this browser on this site.

Name

Game code

Change your name

Name