摘要:
Given a sorted integer array without duplicates, return the summary of its ranges. Example 1: Example 2: 思路不难,从头到尾,从头到尾数数字,然后看是否连续就行, 这个答案是我在高票回答的评论中找 阅读全文
摘要:
Given a string s and a non-empty string p, find all the start indices of p's anagrams in s. Strings consists of lowercase English letters only and the 阅读全文
摘要:
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree [1,2,2,3,4,4,3] is symmet 阅读全文
摘要:
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below). The robot can only move either down or right at any p 阅读全文
摘要:
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below). The robot can only move either down or right at any p 阅读全文