随笔分类 -  LeetCode

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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 @ 2017-07-09 10:59 immjc 阅读(160) 评论(0) 推荐(0)
摘要:Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below. Examp 阅读全文
posted @ 2017-07-08 22:17 immjc 阅读(174) 评论(0) 推荐(0)
摘要:Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation. Note: The given inte 阅读全文
posted @ 2017-07-08 21:40 immjc 阅读(140) 评论(0) 推荐(0)
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 @ 2017-07-08 21:07 immjc 阅读(119) 评论(0) 推荐(0)
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 @ 2017-07-08 20:30 immjc 阅读(177) 评论(0) 推荐(0)
摘要:The Hamming Distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calcul 阅读全文
posted @ 2017-07-08 12:30 immjc 阅读(147) 评论(0) 推荐(0)

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