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Very useful basic study material: http://blog.csdn.net/raphealguo/article/details/7523411 1. BFS The hard part is to define the level. Using int size 阅读全文
摘要:
Analysis 这个结果是用Divid & Conquer 做的 1. Divid: tree->left child and right child 2. Conquer: when it is null, return 0 3. Merge:如果是sequence, 则现在的sequence的 阅读全文