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The node is simply removed from the tree.
Replace it with its inorder successor.
The smallest node in its right subtree.
Replace the root with its inorder successor.
Finds the smallest node in a subtree.
To keep track of nodes while traversing.
By pushing all left nodes onto the stack.
Threaded trees use NULL pointers to link to predecessors or successors.
Nodes are visited in root-left-right order.
The node is replaced by its child.
The node is simply removed from the tree.
Replace it with its inorder successor.
The smallest node in its right subtree.
Replace the node with its inorder successor.
Finds the smallest node in a subtree.
To keep track of nodes while traversing.
By pushing all left nodes onto the stack.
Threaded trees use NULL pointers to link to predecessors or successors.
It allows for faster traversal without using a stack.
Push the root node onto the stack.
Replace it with its right child.
Nodes are visited in root-left-right order.