Proof challenge

Solve the Bridges

Draw the Seven Bridges of Königsberg and try to cross each bridge once. Post a write-up explaining why it cannot be done.

How it works

1. Join the challenge.
2. Do the work, then post a public https link or a short write-up as proof.
3. An entry completes when it's approved or reaches 5 votes from other players. You earn +250 XP and the Finisher badge.

Sponsors

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Sponsors support the arena. They don't affect scoring, reviews or who finishes. Put your brand on this challenge.

Entries