Set 27 - Trie

Use Practice Loop if you need a reset.

Problems

ProblemDifficultyPatternVideo
LC #212 Word Search II
LC #14 Longest Common Prefix

Deliverables

  • Write a 1-line invariant for each problem.
  • Note 1 edge case or pitfall per problem.
  • Record time-to-first-correct solution.

Notes

  • LC 212: trie + DFS board; prune visited.
  • LC 14: scan prefix; stop on mismatch (or trie).

Review

  • Time spent + where you got stuck?
  • Biggest mistake or missed edge case?
  • One concrete improvement for next time.

Comments

Share your approach or ask questions

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