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Practice

Tree DP Trio

⭐⭐⭐ advanced~110 min of coding3 challenges

Diameter with the cross term, minimum vertex cover with forced states, and rerooting for all-nodes distance sums — each with a small behavioral kill and a full-size load.

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What you will practice

  1. Weighted Diameter⭐⭐⭐ advanced
  2. Minimum Vertex Cover⭐⭐⭐ advanced
  3. Sum of Distances from Every Node⭐⭐⭐ advanced

Need the concept first? Re-read the lesson.