Hi Codeforces!

We're doing a 30 day problem solving challenge which ends on October 6, 2023; 04:00 AM UTC. At the end there will be a raffle where one winner gets a gift card up to $100. The value of the gift card will depend on participation, so please share to as many people as possible.

To qualify for the raffle, you must solve at least 15 different problems and submit at least one insight OR hint per problem to the problems in Starlight Problem Solving. You can use old problems you did before, but it will be preferred that you solve new challenging problems. We have some leeway for days you can't solve a problem or need multiple days to think of one problem.

Here are problems to recent Codeforces round to help get you started: Edu Round 154 and Pinely Round 2. Please use the journal feature (https://starlightps.org/journal) to store insights of all problems you solve. Here are details of this on our website: https://starlightps.org/about/challenge/.

Now, posting insights/hints will help us build an AI platform to help problem solvers discover hints/insights on various competitive programming/math problems (Codeforces, AtCoder, DMOJ, etc) so they can learn from others AND find similar problems based on insights they struggled with making their practice more effective. In the future, we hope to create an AI to help predict key insights for problems and summarize the key insights needed to achieve a certain level in contests. More details here: https://codeforces.net/blog/entry/119695.

Here are some other ways to get involved/join the community:

• You can help us out by sharing this website by copy-pasting ads here: https://tinyurl.com/starlightps-ads.
• Join our community here: https://discord.gg/czgReQSpFz.
• Here is a Google Form to fill out with your qualifications if you are interested in joining us: https://forms.gle/txpWvcZwWxD1yVog6.