Pattern 22: LeetCode Interview Patterns24 sections · 736 units
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Quiz: Valid Tree Conditions

Test your understanding

Check Your Understanding

For a graph with n nodes to be a valid tree, which conditions must ALL be true?

  1. A.Has no cycles (edge count doesn't matter)
  2. B.Has n edges and is connected
  3. C.Has n-1 edges and is connected (no cycles)
  4. D.Every node has exactly 2 edges
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