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Tree DFS with Max Tracking

1 problems • Practice on LeetCode to earn credits

About This Pattern

Master the Tree DFS with Max Tracking pattern by practicing these problems organized by difficulty.Focus on the Key Signals - these are the indicators that tell you when to use this pattern.

Medium (1)

Count Good Nodes In Binary Tree

Count nodes that are greater than or equal to all ancestors in their path.

Key Signals:

Pass max value downCompare with currentUpdate max