In a row of trees, the i-th tree produces fruit with type tree[i]. You start at any tree of your choice, then repeatedly perform the following steps: Add one piece of fruit from this tree to your baskets. If you cannot, stop. Move to the next tree t…
sliding window(滑动窗口)算法 class Solution(object): def totalFruit(self, tree): """ :type tree: List[int] :rtype: int """ count=collections.Counter() left=ans=0 for i,val in enumerate(tree): count[val]+=1 while (len(count)>=3):…
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址: https://leetcode.com/problems/fruit-into-baskets/description/ 题目描述: In a row of trees, the i-th tree produces fruit with type tree[i]. You start at any tree of your choice, then repeatedly…
In a row of trees, the i-th tree produces fruit with type tree[i]. You start at any tree of your choice, then repeatedly perform the following steps: Add one piece of fruit from this tree to your baskets. If you cannot, stop. Move to the next tree t…
In a row of trees, the i-th tree produces fruit with type tree[i]. You start at any tree of your choice, then repeatedly perform the following steps: Add one piece of fruit from this tree to your baskets. If you cannot, stop. Move to the next tree to…
All LeetCode Questions List(Part of Answers, still updating) 题目汇总及部分答案(持续更新中) Leetcode problems classified by company 题目按公司分类(Last updated: October 2, 2017) . Top Interview Questions # Title Difficulty Acceptance 1 Two Sum Medium 17.70% 2 Add Two N…
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Given a string S, find the length of the longest substring T that contains at most two distinct characters.For example,Given S = “eceba”,T is “ece” which its length is 3. 这道题给我们一个字符串,让我们求最多有两个不同字符的最长子串.那么我们首先想到的是用哈希表来做,哈希表记录每个字符的出现次数,然后如果哈希表中的映射数量超过两…
原题链接在这里:https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters/ 题目: Given a string, find the length of the longest substring T that contains at most 2 distinct characters. For example, Given s = “eceba”, T is "ece"…
Given a string s , find the length of the longest substring t that contains at most 2 distinct characters. Example 1: Input: "eceba" Output: 3 Explanation: tis "ece" which its length is 3. Example 2: Input: "ccaabbb" Output:…
一.万恶的擦除 我在自己总结的[Java心得总结三]Java泛型上——初识泛型这篇博文中提到了Java中对泛型擦除的问题,考虑下面代码: import java.util.*; public class ErasedTypeEquivalence { public static void main(String[] args) { Class c1 = new ArrayList<String>().getClass(); Class c2 = new ArrayList<Integer…
1 工厂模式 1.1 创建 function createFruit(name,colors) { var o = new Object(); o.name = name; o.colors = colors; o.getInfo = function () { console.log(this.name+"是"+this.colors+"的"); } return o; } var apple = createFruit("苹果",["…
一.beer.wine.coffee.soup.oil.juice beer 啤酒 They drink beer. wine 葡萄酒 Wine and coffee. coffee 咖啡 Wine and coffee. soup 汤 We have soup. oil 油 We have oil. juice 果汁 I drink apple juice. 二.cheese.pasta.fries.beef cheese 奶酪,芝士 We eat cheese and they ear fi…
课上内容(Lesson) 1. Do you know any of these foods? Yes I do. There are hot pepper(小辣椒), a clove of garlic(蒜), salt(盐), onions and pepper(胡椒:辣椒:胡椒粉). All called spice(香料) 2. Which ones do you eat? I like lemon 3. Do you like them? # UNIT GOALS 1. Order…
一般商城里有很多的商品,计优惠券对应着活动类型商品,家电是一类商品,食物是一类商品,优惠券对应着不同的商品类别. from django.db import models class Appliance(models.Model): """ 家用电器表 id name 冰箱 电视 洗衣机 """ name = models.CharField(max_length=64) class Food(models.Model): ""…
'use strict'; // 父类 function Fruit(){ } Fruit.prototype.name = '水果'; // 子类 function Apple(desc){ this.desc = desc; } // 继承 var fruit = new Fruit(); fruit[Symbol('level')] = 'A级'; Apple.prototype = fruit; fruit.constructor = Apple; var apple = new App…
