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    🌳 Trees — Practice Problems

    🎯 All Problems Hub ← Back to Trees 📊 DSA Hub
    11
    Total
    7
    Solved
    4
    Easy
    5
    Medium
    2
    Hard

    🟢 Easy

    #104 Maximum Depth of Binary Tree ✓ Solved
    Easy tree
    🔗 Problem 📋 Approach
    #100 Same Tree ✓ Solved
    Easy tree
    🔗 Problem 📋 Approach
    #226 Invert Binary Tree ✓ Solved
    Easy tree
    🔗 Problem 📋 Approach
    #101 Symmetric Tree ✓ Solved
    Easy tree
    🔗 Problem 📋 Approach

    🟡 Medium

    #110 Balanced Binary Tree ✓ Solved
    Medium tree
    🔗 Problem 📋 Approach
    #102 Binary Tree Level Order Traversal ✓ Solved
    Medium tree
    🔗 Problem 📋 Approach
    #103 Binary Tree Zigzag Level Order Traversal ✓ Solved
    Medium tree
    🔗 Problem 📋 Approach
    #98 Validate Binary Search Tree ○ Todo
    Medium tree
    🔗 Problem No notes yet
    #235 Lowest Common Ancestor of BST ○ Todo
    Medium tree
    🔗 Problem No notes yet

    🔴 Hard

    #124 Binary Tree Maximum Path Sum ○ Todo
    Hard tree
    🔗 Problem No notes yet
    #297 Serialize and Deserialize Binary Tree ○ Todo
    Hard tree
    🔗 Problem No notes yet
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