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37 lines
2.2 KiB
37 lines
2.2 KiB
Tree
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- Find the height of a tree.
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- Find the longest path from the root to leaf in a tree.
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- Find the deepest left leaf of a tree.
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- Print all paths of a binary tree.
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- [Source](http://blog.gainlo.co/index.php/2016/04/15/print-all-paths-of-a-binary-tree/)
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- Second largest element of a BST.
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- [Source](http://blog.gainlo.co/index.php/2016/06/03/second-largest-element-of-a-binary-search-tree/)
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- Given a binary tree and two nodes, how to find the common ancestor of the two nodes?
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- [Source](http://blog.gainlo.co/index.php/2016/07/06/lowest-common-ancestor/)
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- Find the lowest common ancestor of two nodes in a binary search tree.
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- Print the nodes in an n-ary tree level by level, one printed line per level.
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- Given a directory of files and folders (and relevant functions), how would you parse through it to find equivalent files?
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- Write a basic file system and implement the commands ls, pwd, mkdir, create, rm, cd, cat, mv.
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- Compute the intersection of two binary search trees.
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- Given a binary tree, output all the node to leaf paths of it.
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- Given a string of characters without spaces, is there a way to break the string into valid words without leftover characters?
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- Print a binary tree level by level.
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- Determine if a binary tree is "complete" (i.e, if all leaf nodes were either at the maximum depth or max depth-1, and were 'pressed' along the left side of the tree).
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- Find the longest path in a binary tree. The path may start and end at any node.
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- Determine if a binary tree is a BST.
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- Given a binary tree, serialize it into a string. Then deserialize it.
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- Print a binary tree by column.
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- Given a node, find the next element in a BST.
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- Find the shortest subtree that consist of all the deepest nodes. The tree is not binary.
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- Print out the sum of each row in a binary tree.
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- Pretty print a JSON object.
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- Convert a binary tree to a doubly circular linked list.
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- Find the second largest number in a binary tree.
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- Given a tree, find the longest branch.
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- Convert a tree to a linked list.
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- Given two trees, write code to find out if tree A is a subtree of tree B.
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- Deepest node in a tree.
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- [Source](http://blog.gainlo.co/index.php/2016/04/26/deepest-node-in-a-tree/)
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