摘要:
给定一个树,按照Z字形记录每一行。例如:Given binary tree{3,9,20,#,#,15,7}, 3 / \ 9 20 / \ 15 7return its zigzag level order traversal as:[ [3], [20,9], ... 阅读全文
posted @ 2014-11-28 12:23
higerzhang
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摘要:
给定一个数,广度优先输出记录。例如:Given binary tree{3,9,20,#,#,15,7}, 3 / \ 9 20 / \ 15 7return its level order traversal as:[ [3], [9,20], [15,7]]思... 阅读全文
posted @ 2014-11-28 00:19
higerzhang
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