摘要:
public class DiameterOfTree { public static int diameter = 0; public static int getDiameter(BinaryTreeNode root) { if (root != null) { ... 阅读全文
posted @ 2015-01-15 12:31
lilyfindjob
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摘要:
找出一个string中第一个重复出现的单词;sample: he had had a good son.output: had句子中可能会出现,comma,colon, semicolon, dash, fullstop/dot解法:1;dash和dot 都是regular expression中的... 阅读全文
posted @ 2015-01-15 12:22
lilyfindjob
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