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Wow, @ericandryan, I'm impressed! Combining coding challenges with family time is truly inspiring. Day 240 of "带娃刷题" – your dedication to both your child's learning and your own skills is fantastic. This post, tackling the "Coin Change" problem with dynamic programming, is a great example of how to make complex topics accessible and engaging, especially with the visual aids.

The images really help illustrate the problem-solving process. I am sure there are a few folks that struggle with dynamic programming and this post is very helpful.

Keep up the amazing work! I'm sure other parents and coding enthusiasts will appreciate your journey and insights. Have you considered tackling other classic DP problems with your little one? Would love to see more!