摘要：
LeetCode: Minimum Depth of Binary TreeGiven a binary tree, find its minimum depth.The minimum depth is the number of nodes along the shortest path fro... 阅读全文
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摘要：
LeetCode: Minimum Depth of Binary TreeGiven a binary tree, find its minimum depth.The minimum depth is the number of nodes along the shortest path fro... 阅读全文
摘要：
LeetCode: Path SumGiven 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 equal... 阅读全文
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LeetCode: Flatten Binary Tree to Linked ListGiven a binary tree, flatten it to a linked list in-place. For example,Given 1 / \ 2 ... 阅读全文
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LeetCode: Distinct SubsequencesGiven a string S and a string T, count the number of distinct subsequences of T in S.A subsequence of a string is a new... 阅读全文
摘要：
LeetCode: Populating Next Right Pointer in Each NodeGiven a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; ... 阅读全文
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