摘要： 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", 阅读全文

摘要： 题目： Given a pattern and a string str, find if str follows the same pattern. Here follow means a full match, such that there is a bijection between a l 阅读全文

摘要： 题目： Given two arrays, write a function to compute their intersection. Example:Given nums1 = [1, 2, 2, 1], nums2 = [2, 2], return [2, 2]. 相比较I，这个题目允许答案 阅读全文

摘要： 题目： Given an array of integers, every element appears twice except for one. Find that single one. Note:Your algorithm should have a linear runtime com 阅读全文