problem 350. Intersection of Two Arrays II 不是特别明白这道题的意思,例子不够说明问题: 是按顺序把相同的元素保存下来,还是排序,但是第二个例子没有重复.... 参考 1. Leetcode_350. Intersection of Two Arrays II; 2. CSDN_blogs; 完…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 解题方法 Java排序+双指针 Python排序+双指针 Python解法使用字典 日期 Difficulty: Easy 题目描述 Given two arrays, write a function to compute their intersection. Example 1: Input: nums1 = [1,2,2,1], nums2 = [2,2] Ou…

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#-*- coding: UTF-8 -*- class Solution(object):    def intersect(self, nums1, nums2):                if len(nums1)<len(nums2):            tmp=nums1            nums1=nums2            nums2=tmp               tmpdic={}               for num in nums1:    …

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 方法一:Java解法,HashSet 方法二:Python解法,set 日期 [LeetCode] 题目地址:https://leetcode.com/problems/intersection-of-two-arrays/ Difficulty: Easy 题目描述 Given two arrays, write a function to com…

Given two arrays, write a function to compute their intersection. Example: Given nums1 = [1, 2, 2, 1], nums2 = [2, 2], return [2]. Note: Each element in the result must be unique. The result can be in any order. 我们可以使用两个指针来做,先给两个数组排序,然后用两个指针分别指向两个数组的…

这两道题都是求两个数组之间的重复元素,因此把它们放在一起. 原题地址: 349 Intersection of Two Arrays :https://leetcode.com/problems/intersection-of-two-arrays/description/ 350 Intersection of Two Arrays II:https://leetcode.com/problems/intersection-of-two-arrays-ii/description/ 题目&&am…

350. Intersection of Two Arrays II Given two arrays, write a function to compute their intersection. Example: Given nums1 = [1, 2, 2, 1], nums2 = [2, 2], return [2, 2]. Note: Each element in the result should appear as many times as it shows in both…

169. Majority Element /** * @param {number[]} nums * @return {number} */ var majorityElement = function(nums) { var hash = {}; var y=-1,z; //注意这里的方括号,利用变量访问对象属性时要用方括号 for(var i=0;i<=nums.length-1;i++){ if(hash[nums[i]]){ hash[nums[i]]++; }else{ hash[…

[LeetCode]95. Unique Binary Search Trees II 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.me/ 题目地址:https://leetcode.com/problems/unique-binary-search-trees-ii/description/ 题目描述: Given an integer n, generate all s…