Binary Tree Operations(II) - Path Sum and Cycle Detection
2014-09-13 10:28
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This is the second article on binary tree operations. For topics on binary tree build, traversal and comparison, please refer to Binary
Tree Operations(I)
Path Sum
Build Binary Tree With Cycle
Detect Cycle in Binary Tree
The Path Sum problem of binary tree is:
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.
- See more at:
http://bo-yang.github.io/2014/08/16/binary-tree-ii/#sthash.GmHRUGxv.dpuf
http://bo-yang.github.io/2014/08/16/binary-tree-ii
Tree Operations(I)
Path Sum
Build Binary Tree With Cycle
Detect Cycle in Binary Tree
1. Path Sum
The Path Sum problem of binary tree is:Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.
- See more at:
http://bo-yang.github.io/2014/08/16/binary-tree-ii/#sthash.GmHRUGxv.dpuf
http://bo-yang.github.io/2014/08/16/binary-tree-ii
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