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_{[0094 - Binary Tree Inorder Traversal](https://leetcode.com/problems/binary-tree-inorder-traversal/)} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](c%2F0094-binary-tree-inorder-traversal.c)</div>} | _{<div align='center'>[✔️](cpp%2F0094-binary-tree-inorder-traversal.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0094-binary-tree-inorder-traversal.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0094-binary-tree-inorder-traversal.go)</div>} | _{<div align='center'>[✔️](java%2F0094-binary-tree-inorder-traversal.java)</div>} | _{<div align='center'>[✔️](javascript%2F0094-binary-tree-inorder-traversal.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0094-binary-tree-inorder-traversal.kt)</div>} | _{<div align='center'>[✔️](python%2F0094-binary-tree-inorder-traversal.py)</div>} | _{<div align='center'>[✔️](ruby%2F0094-binary-tree-inorder-traversal.rb)</div>} | _{<div align='center'>[✔️](rust%2F0094-binary-tree-inorder-traversal.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0094-binary-tree-inorder-traversal.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0094-binary-tree-inorder-traversal.ts)</div>}

_{[0144 - Binary Tree Preorder Traversal](https://leetcode.com/problems/binary-tree-preorder-traversal/)} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](cpp%2F0144-binary-tree-preorder-traversal.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0144-binary-tree-preorder-traversal.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](java%2F0144-binary-tree-preorder-traversal.java)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](kotlin%2F0144-binary-tree-preorder-traversal.kt)</div>} | _{<div align='center'>[✔️](python%2F0144-binary-tree-preorder-traversal.py)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0144-binary-tree-preorder-traversal.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0144-binary-tree-preorder-traversal.ts)</div>}

_{[0145 - Binary Tree Postorder Traversal](https://leetcode.com/problems/binary-tree-postorder-traversal/)} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](cpp%2F0145-binary-tree-postorder-traversal.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0145-binary-tree-postorder-traversal.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](java%2F0145-binary-tree-postorder-traversal.java)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](kotlin%2F0145-binary-tree-postorder-traversal.kt)</div>} | _{<div align='center'>[✔️](python%2F0145-binary-tree-postorder-traversal.py)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0145-binary-tree-postorder-traversal.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0145-binary-tree-postorder-traversal.ts)</div>}

_{[0144 - Binary Tree Preorder Traversal](https://leetcode.com/problems/binary-tree-preorder-traversal/)} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](cpp%2F0144-binary-tree-preorder-traversal.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0144-binary-tree-preorder-traversal.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](java%2F0144-binary-tree-preorder-traversal.java)</div>} | _{<div align='center'>[✔️](javascript%2F0144-binary-tree-preorder-traversal.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0144-binary-tree-preorder-traversal.kt)</div>} | _{<div align='center'>[✔️](python%2F0144-binary-tree-preorder-traversal.py)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0144-binary-tree-preorder-traversal.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0144-binary-tree-preorder-traversal.ts)</div>}

_{[0145 - Binary Tree Postorder Traversal](https://leetcode.com/problems/binary-tree-postorder-traversal/)} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](cpp%2F0145-binary-tree-postorder-traversal.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0145-binary-tree-postorder-traversal.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](java%2F0145-binary-tree-postorder-traversal.java)</div>} | _{<div align='center'>[✔️](javascript%2F0145-binary-tree-postorder-traversal.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0145-binary-tree-postorder-traversal.kt)</div>} | _{<div align='center'>[✔️](python%2F0145-binary-tree-postorder-traversal.py)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0145-binary-tree-postorder-traversal.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0145-binary-tree-postorder-traversal.ts)</div>}

_{[0226 - Invert Binary Tree](https://leetcode.com/problems/invert-binary-tree/)} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](c%2F0226-invert-binary-tree.c)</div>} | _{<div align='center'>[✔️](cpp%2F0226-invert-binary-tree.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0226-invert-binary-tree.cs)</div>} | _{<div align='center'>[✔️](dart%2F0226-invert-binary-tree.dart)</div>} | _{<div align='center'>[✔️](go%2F0226-invert-binary-tree.go)</div>} | _{<div align='center'>[✔️](java%2F0226-invert-binary-tree.java)</div>} | _{<div align='center'>[✔️](javascript%2F0226-invert-binary-tree.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0226-invert-binary-tree.kt)</div>} | _{<div align='center'>[✔️](python%2F0226-invert-binary-tree.py)</div>} | _{<div align='center'>[✔️](ruby%2F0226-invert-binary-tree.rb)</div>} | _{<div align='center'>[✔️](rust%2F0226-invert-binary-tree.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0226-invert-binary-tree.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0226-invert-binary-tree.ts)</div>}

_{[0104 - Maximum Depth of Binary Tree](https://leetcode.com/problems/maximum-depth-of-binary-tree/)} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](c%2F0104-maximum-depth-of-binary-tree.c)</div>} | _{<div align='center'>[✔️](cpp%2F0104-maximum-depth-of-binary-tree.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0104-maximum-depth-of-binary-tree.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0104-maximum-depth-of-binary-tree.go)</div>} | _{<div align='center'>[✔️](java%2F0104-maximum-depth-of-binary-tree.java)</div>} | _{<div align='center'>[✔️](javascript%2F0104-maximum-depth-of-binary-tree.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0104-maximum-depth-of-binary-tree.kt)</div>} | _{<div align='center'>[✔️](python%2F0104-maximum-depth-of-binary-tree.py)</div>} | _{<div align='center'>[✔️](ruby%2F0104-maximum-depth-of-binary-tree.rb)</div>} | _{<div align='center'>[✔️](rust%2F0104-maximum-depth-of-binary-tree.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0104-maximum-depth-of-binary-tree.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0104-maximum-depth-of-binary-tree.ts)</div>}

_{[0543 - Diameter of Binary Tree](https://leetcode.com/problems/diameter-of-binary-tree/)} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](c%2F0543-diameter-of-binary-tree.c)</div>} | _{<div align='center'>[✔️](cpp%2F0543-diameter-of-binary-tree.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0543-diameter-of-binary-tree.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0543-diameter-of-binary-tree.go)</div>} | _{<div align='center'>[✔️](java%2F0543-diameter-of-binary-tree.java)</div>} | _{<div align='center'>[✔️](javascript%2F0543-diameter-of-binary-tree.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0543-diameter-of-binary-tree.kt)</div>} | _{<div align='center'>[✔️](python%2F0543-diameter-of-binary-tree.py)</div>} | _{<div align='center'>[✔️](ruby%2F0543-diameter-of-binary-tree.rb)</div>} | _{<div align='center'>[✔️](rust%2F0543-diameter-of-binary-tree.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0543-diameter-of-binary-tree.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0543-diameter-of-binary-tree.ts)</div>}