Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum enemies you can kill using one bomb. The bomb kills all the enemies in the same row and column from the planted point until it hits the w…

Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum enemies you can kill using one bomb. The bomb kills all the enemies in the same row and column from the planted point until it hits the w…

Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum enemies you can kill using one bomb.The bomb kills all the enemies in the same row and column from the planted point until it hits the wa…

原题链接在这里:https://leetcode.com/problems/bomb-enemy/description/ 题目: Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum enemies you can kill using one bomb.The bomb kills all the enemies in t…

Description Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum enemies you can kill using one bomb. The bomb kills all the enemies in the same row and column from the planted point until i…

Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum enemies you can kill using one bomb.The bomb kills all the enemies in the same row and column from the planted point until it hits the wa…

Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum enemies you can kill using one bomb.The bomb kills all the enemies in the same row and column from the planted point until it hits the wa…

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 暴力搜索 日期 题目地址:https://leetcode-cn.com/problems/bomb-enemy/ 题目描述 Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum e…

dp 分别计算从左到右.从右到左.从上到下.从下到上4个方向可能的值,然后计算所有为‘0’的地方的4个方向的值的最大值 https://www.cnblogs.com/grandyang/p/5599289.html class Solution { public: /** * @param grid: Given a 2D grid, each cell is either 'W', 'E' or '0' * @return: an integer, the maximum enemies y…

这个题确实不会..只能想到naive的做法,不过那样应该是O(n³),不会满足要求. 看TAG是DP,那应该是建立DP[][]记录每点可炸的情况.一个点如果左边/上边是墙,或者左边/上边是边界,就要重新计算,否则跟左边/上边的那个格子的情况一样. 是空位就来一发,然后取最大. 这样应该是mn的extra space,时间变成(常数,但是不知道是什么..)*n². 不是很确定,看了答案,发现很巧妙.. 因为遍历是在一行一行的基础上,每列每列,所以没必要MN的extra space,一个变量记录每行…

终于将LeetCode的免费题刷完了,真是漫长的第一遍啊,估计很多题都忘的差不多了,这次开个题目汇总贴,并附上每道题目的解题连接,方便之后查阅吧~ 477 Total Hamming Distance 44.10% Meidum 475 Heaters  30.20% Easy 474 Ones and Zeroes  34.90% Meidum 473 Matchsticks to Square  31.80% Medium 472 Concatenated Words 29.20% Hard…

突然很想刷刷题,LeetCode是一个不错的选择,忽略了输入输出,更好的突出了算法,省去了不少时间. dalao们发现了任何错误,或是代码无法通过,或是有更好的解法,或是有任何疑问和建议的话,可以在对应的随笔下面评论区留言,我会及时处理,在此谢过了. 过程或许会很漫长,也很痛苦,慢慢来吧. 编号 题名 过题率 难度 1 Two Sum 0.376 Easy 2 Add Two Numbers 0.285 Medium 3 Longest Substring Without Repeating C…

Java Algorithm Problems 程序员的一天 从开始这个Github已经有将近两年时间, 很高兴这个repo可以帮到有需要的人. 我一直认为, 知识本身是无价的, 因此每逢闲暇, 我就会来维护这个repo, 给刷题的朋友们一些我的想法和见解. 下面来简单介绍一下这个repo: README.md: 所有所做过的题目 ReviewPage.md: 所有题目的总结和归纳(不断完善中) KnowledgeHash2.md: 对所做过的知识点的一些笔记 SystemDesign.md:…

删除不常考,面试低频出现题目 删除重复代码题目(例:链表反转206题,代码在234题出现过) 删除过于简单题目(例:100题:Same Tree) 删除题意不同,代码基本相同题目(例:136 & 389,保留一个) 适用人群:有一定刷题基础,算法基础,二刷人群. 建议:400题全部刷完,再精刷这250题. ID Title 1 Two Sum 3 Longest Substring Without Repeating Characters 4 Median of Two Sorted Array…

1. Array 基础 27 Remove Element 26 Remove Duplicates from Sorted Array 80 Remove Duplicates from Sorted Array II 277 Find the Celebrity 189 Rotate Array 41 First Missing Positive 299 Bulls and Cows 134 Gas Station 118 Pascal's Triangle 很少考 119 Pascal's…

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…

All LeetCode Questions List 题目汇总 Sorted by frequency of problems that appear in real interviews. Last updated: October 2, 2017Google (214)534 Design TinyURL388 Longest Absolute File Path683 K Empty Slots340 Longest Substring with At Most K Distinct C…

We have a 2D grid. Each cell is either a wall, an enemy or empty. For example (0-empty, X-enemy, Y-wall): 0 X 0 0X 0 Y X0 X 0 0You have one bomb and you want to kill as many as possible enemies with it. The bomb will kill all the enemies in the same…

终于将LeetCode的免费题刷完了,真是漫长的第一遍啊,估计很多题都忘的差不多了,这次开个题目汇总贴,并附上每道题目的解题连接,方便之后查阅吧~ 如果各位看官们,大神们发现了任何错误,或是代码无法通过OJ,或是有更好的解法,或是有任何疑问,意见和建议的话,请一定要在对应的帖子下面评论区留言告知博主啊(如果不方便注册博客园的话,可以下载下文提到的APP,在Feedback中给博主发邮件交流哈),同时也请大家踊跃地,大量地,盲目地提供各个题目的follow up一起讨论哈,多谢多谢,祝大家刷得愉快…

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 暴力 日期 题目地址:https://leetcode-cn.com/problems/candy-crush/ 题目描述 This question is about implementing a basic elimination algorithm for Candy Crush. Given a 2D integer array board r…

Given a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero), return the maximum enemies you can kill using one bomb. The bomb kills all the enemies in the same row and column from the planted point until it hits the w…

Enemy类没什么内容,就create和init方法,根据参数来创建不同的敌机,头文件代码如下: //飞机的类型 enum planeType {smallPlane, midPlane, bigPlane}; class Enemy : public CCSprite { public: void loseLife(); CC_SYNTHESIZE(float, m_speed, Speed); CC_SYNTHESIZE(int, m_life, Life); CC_SYNTHESIZE(i…

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 16362    Accepted Submission(s): 5979 Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorists…

Long long ago there is a strong tribe living on the earth. They always have wars and eonquer others.One day, there is another tribe become their target. The strong tribe has decide to terminate them!!!There are m villages in the other tribe. Each vil…

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Bomb Game Time Limit: 10000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2951    Accepted Submission(s): 984 Problem Description Robbie is playing an interesting computer game. The game field is an unbounded…

Description The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bomb. The number sequence of the time bomb counts from 1 to N. If the current number sequence includes the sub-sequence "49", the…

题目链接: 传送门 Defeat the Enemy Time Limit: 3000MS     Memory Limit: 32768 KB Description Long long ago there is a strong tribe living on the earth. They always have wars and eonquer others.One day, there is another tribe become their target. The strong t…

题目链接: 传送门 One Bomb time limit per test:1 second     memory limit per test:256 megabytes Description You are given a description of a depot. It is a rectangular checkered field of n × m size. Each cell in a field can be empty (".") or it can be o…

http://acm.hdu.edu.cn/showproblem.php?pid=3555 Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 7316    Accepted Submission(s): 2551 Problem Description The counter-terrorists found a time…