题目 here is a fence with n posts, each post can be painted with one of the k colors.You have to paint all the posts such that no more than two adjacent fence posts have the same color.Return the total number of ways you can paint the fence. 注意事项 n and…

There is a fence with n posts, each post can be painted with one of the k colors.You have to paint all the posts such that no more than two adjacent fence posts have the same color.Return the total number of ways you can paint the fence. Notice n and…

Paint Fence There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent fence posts have the same color. Return the total number of ways you can paint the fence…

House Robber:不能相邻,求能获得的最大值 House Robber II:不能相邻且第一个和最后一个不能同时取,求能获得的最大值 House Robber III:二叉树下的不能相邻,求能获得的最大值 Paint House:用3种颜色,相邻的房屋不能用同一种颜色,求花费最小 Paint House II:用k种颜色,相邻的房屋不能用同一种颜色,求花费最小Paint Fence:用k种颜色,相邻的可以用同一种颜色,但不能超过连续的2个,求有多少种可能性 198. House Robb…

There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent fence posts have the same color. Return the total number of ways you can paint the fence. Note:n and…

原题链接在这里:https://leetcode.com/problems/paint-fence/ 题目: There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent fence posts have the same color. Return the t…

题目: There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent fence posts have the same color. Return the total number of ways you can paint the fence. Note:n…

Problem: There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent fence posts have the same color. Return the total number of ways you can paint the fence. N…

There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent fence posts have the same color. Return the total number of ways you can paint the fence. Note: n an…

There is a fence with n posts, each post can be painted with one of the k colors.You have to paint all the posts such that no more than two adjacent fence posts have the same color.Return the total number of ways you can paint the fence. Notice n and…

［抄题］: There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent fence posts have the same color.  划重点 Return the total number of ways you can paint the fence.…

There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent fence posts have the same color. Return the total number of ways you can paint the fence. Note:n and…

There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent fence posts have the same color. Return the total number of ways you can paint the fence. Note:n and…

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 动态规划 日期 题目地址:https://leetcode-cn.com/problems/sum-of-digits-in-the-minimum-number/ 题目描述 There is a fence with n posts, each post can be painted with one of the k colors. You hav…

There are a row of n houses, each house can be painted with one of the k colors. The cost of painting each house with a certain color is different. You have to paint all the houses such that no two adjacent houses have the same color. The cost of pai…

There are a row of n houses, each house can be painted with one of the three colors: red, blue or green. The cost of painting each house with a certain color is different. You have to paint all the houses such that no two adjacent houses have the sam…

原题链接在这里:https://leetcode.com/problems/paint-house/ 题目: There are a row of n houses, each house can be painted with one of the three colors: red, blue or green. The cost of painting each house with a certain color is different. You have to paint all t…

Yet Another Source Code for LintCode Current Status : 232AC / 289ALL in Language C++, Up to date (2016-02-10) For more problems and solutions, you can see my LintCode repository. I'll keep updating for full summary and better solutions. See cnblogs t…

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…

Note: This is an extension of House Robber. After robbing those houses on that street, the thief has found himself a new place for his thievery so that he will not get too much attention. This time, all houses at this place are arranged in a circle.…

You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them is that adjacent houses have security system connected and it will autom…

LinkedIn(39) 1 Two Sum 23.0% Easy 21 Merge Two Sorted Lists 35.4% Easy 23 Merge k Sorted Lists 23.3% Hard 33 Search in Rotated Sorted Array 30.2% Hard 34 Search for a Range 29.1% Medium 46 Permutations 35.7% Medium 47 Permutations II 28.0% Medium 50…

Problem Reason Reference Moving ZeroesSort Colors Corner cases   Shortest Word Distance Thought: 2 ptr chasing   Merge 2 sorted ListsRemove Linked List Elem Corner cases   Power of Four Thought: fun bit ops   Pow(x, n) int overflow   Rectangle Area T…

Paint House I/II 要点:这题要区分房子编号i和颜色编号k:目标是某个颜色,所以min的list是上一个房子编号中所有其他颜色+当前颜色的cost https://repl.it/Chwe/1 (I) 善用slicing来eliminate list中一点,还有一点好处是不用考虑超越边界了 II:如何从O(nkk)降到O(n*k)? 每次找到上一个房子编号list的的min这个循环如果在每个k都做一遍,肯定是redundant的.其实loop一遍就能找到对所有颜色k需要的min:m…

Paint Fence 要点: 这题是求number of ways,如果是相邻不相同颜色,那么就trivial了:k*(k-1)^(n-1).所以这里no more than two adjacent fence posts就是不能连续出现3个相同颜色的. 注意这题的解序列都是连续的,所以dp表示的就是以当前fence结束的情况. 这题要用两个dp variables:same:表示最近两个posts是相同颜色,diff:表示最近两个posts是不同color.why?首先这两种情况是excl…

198. House Robber Total Accepted: 45873 Total Submissions: 142855 Difficulty: Easy You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing ea…

请点击页面左上角 -> Fork me on Github 或直接访问本项目Github地址:LeetCode Solution by Swift    说明:题目中含有$符号则为付费题目. 如:[Swift]LeetCode156.二叉树的上下颠倒 $ Binary Tree Upside Down 请下拉滚动条查看最新 Weekly Contest!!! Swift LeetCode 目录 | Catalog 序        号 题名Title 难度     Difficulty  两数之…

思路:动态规划. class Solution { //不能对cost数组进行写操作,因为JAVA中参数是引用 public int minCostClimbingStairs(int[] cost) { int cost_0 = cost[0], cost_1 = cost[1]; for(int i = 2; i < cost.length; i++) { int cost_2 = Math.min(cost_0, cost_1) + cost[i]; cost_0 = cost_1; co…

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:…