Idiot-maker

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2015年4月15日

Min Stack
摘要： https://leetcode.com/problems/min-stack/ Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) -- 阅读全文
posted @ 2015-04-15 15:46 NickyYe 阅读(211) 评论(0) 推荐(0)

Word Ladder II
摘要： https://leetcode.com/problems/word-ladder-ii/Given two words (startandend), and a dictionary, find all shortest transformation sequence(s) fromstartto... 阅读全文
posted @ 2015-04-15 10:51 NickyYe 阅读(159) 评论(0) 推荐(0)