Propose a problem

Write your problem, check the preview and send it. A board member reviews it before it joins the problem bank. Only the statement and one area are required; the rest can be added later, by you or the board.

Title (optional)

Statement

Solution (optional)

Writing rules

Only the club's LaTeX (below): no \usepackage, no \input, no images.
Drawings: TikZ inside \begin{tikzpicture} … \end{tikzpicture}. The preview shows a box; the website draws the real picture.
Your own macros: \newcommand (not \def).
No date or time (\today).
Citations: \cite{key}, with the entry in the Bibliography box below.

Preview

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Tags

Area (what the problem is about)

Methods (optional: what the solution uses)

Difficulty (optional, your estimate)

Where it comes from (optional)

Origin

Not in the list? Write it in References.

Date

Number

References

Bibliography (optional, BibTeX; only for \cite{key} in the text)

Send your problem

Click Copy file and open GitHub. GitHub opens a new file, new-untitled-problem.tex. Sign in, or create a free account, if GitHub asks.
Paste the file (Ctrl+V, on a Mac ⌘+V).
Click Propose new file (or Commit changes…), then Create pull request. A board member checks it, may add tags or a solution, then adds it to the bank. You can follow the review on GitHub.

Download .tex

Your proposal is public on GitHub as soon as you send it.

No GitHub account? Send your problem to olympiadclub@math.ethz.ch, with the downloaded .tex file attached.

Available LaTeX

Statements and solutions can use everything this preamble (problem-bank/preamble.tex) loads or defines, and nothing else: packages cannot be added. Something missing? Ask the board.

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