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Algorithms, Distributed System, Machine Learning

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2015年11月5日

LeetCode "Remove Invalid Parentheses"

摘要： DFS with pruning. The thought flow: for each char, we have 2 choices: pick or not - then DFS.class Solution { int len; unordered_set rec; vector ... 阅读全文

posted @ 2015-11-05 06:36 Tonix 阅读(328) 评论(0) 推荐(0)