LeetCode 75 Study Plan· 120 min
Binary Tree & BST
Max Depth, Leaf-Similar, Path Sum III, Delete Node
LeetCode 75 Study Plan
The essential 75 problems covering every key DSA pattern. Each card has the approach, complexity, the key insight, and a direct link to LeetCode. Track your progress — it saves automatically.
0
Done
75
Total
Easy:22
Medium:53
Hard:0
Topic:
Difficulty:
Showing 75 of 75 problems