Problem: USACO 2023 US Open Contest, Silver: Pareidolia
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Similar hints are placed in the same group/cluster. This page shows the first hint of each clusters, with 10 clusters a page. The clusters are sorted by the ones with the most number of hints. This helps give a summarized version of the hints. Hints are clustered every day around 04:00 AM UTC which may cause disruptions.
Click to show first hint of cluster #1
- Suppose you wanted to calculate this for one substring. You could repeat this for every substring and sum, for O(n^3) solution by Solarion
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