07 2017 档案

LeetCode - 617. Merge Two Binary Trees
摘要：Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are n 阅读全文
posted @ 2017-07-18 16:55 Pickle 阅读(385) 评论(0) 推荐(0) 编辑
LeetCode - 561. Array Partition I
摘要：Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of 阅读全文
posted @ 2017-07-13 18:54 Pickle 阅读(209) 评论(0) 推荐(0) 编辑
LeetCode - 557. Reverse Words in a String III
摘要：Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. E 阅读全文
posted @ 2017-07-13 18:27 Pickle 阅读(164) 评论(0) 推荐(0) 编辑

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