抹茶小一的博客

题目： Given two strings s and t, write a function to determine if t is an anagram of s. For example, s = "anagram", t = "nagaram", return true. s = "rat", t = "car", return false. Note: You ma

题目： Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missing from the array. 思路与步骤： 思路1： 先排序，然后将数组与下标比较，第一次出现不相等的下标即确实数据。 学习别人的思路： 思路2： 先对0到