# QHack 2023 challenge: Undo that Computation

**URL:** <https://discuss.pennylane.ai/t/qhack-2023-challenge-undo-that-computation/4711>\
**Category:** PennyLane Challenges\
**Created:** [June 17, 2024, 12:00pm UTC](https://discuss.pennylane.ai/t/qhack-2023-challenge-undo-that-computation/4711 "2024-06-17T12:00:30Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![CatalinaAlbornoz](https://yyz2.discourse-cdn.com/flex012/user_avatar/discuss.pennylane.ai/catalinaalbornoz/32/1196_2.png) [@CatalinaAlbornoz](https://discuss.pennylane.ai/u/CatalinaAlbornoz)\
**Post date:** [June 17, 2024, 12:00pm UTC](https://discuss.pennylane.ai/t/qhack-2023-challenge-undo-that-computation/4711/1 "2024-06-17T12:00:30Z")

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Use this topic to ask your questions about the QHack 2023 challenge: [Undo that Computation](https://pennylane.ai/challenges/undo_that_computation/)