LeetCode No.130,131,132】的更多相关文章

No.130 Solve 被围绕的区域 题目 给定一个二维的矩阵,包含 'X' 和 'O'(字母 O). 找到所有被 'X' 围绕的区域,并将这些区域里所有的 'O' 用 'X' 填充. 示例 X X X X X O O X X X O X X O X X 运行你的函数后,矩阵变为: X X X X X X X X X X X X X O X X 解释: 被围绕的区间不会存在于边界上,换句话说,任何边界上的 'O' 都不会被填充为 'X'. 任何不在边界上,或不与边界上的 'O' 相连的 'O'…
[python]Leetcode每日一题-132模式 [题目描述] 给定一个整数序列:a1, a2, ..., an,一个132模式的子序列 ai, aj, ak 被定义为:当 i < j < k 时,ai < ak < aj.设计一个算法,当给定有 n 个数字的序列时,验证这个序列中是否含有132模式的子序列. 注意:n 的值小于15000. 示例1: 输入: [1, 2, 3, 4] 输出: False 解释: 序列中不存在132模式的子序列. 示例2: 输入: [3, 1,…
https://leetcode.com/problems/palindrome-partitioning/ Given a string s, partition s such that every substring of the partition is a palindrome. Return all possible palindrome partitioning of s. For example, given s = "aab",Return [ ["aa&qu…
131. Palindrome Partitioning Given a string s, partition s such that every substring of the partition is a palindrome. Return all possible palindrome partitioning of s. For example, given s = "aab",Return [ ["aa","b"], ["…
一天一道LeetCode 本系列文章已全部上传至我的github,地址:ZeeCoder's Github 欢迎大家关注我的新浪微博,我的新浪微博 欢迎转载,转载请注明出处 (一)题目 Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by flipping all 'O's into 'X's in that surrounded region…
Surrounded Regions Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by flipping all 'O's into 'X's in that surrounded region. For example, X X X X X O O X X X O X X O X X After running your function…
[称号] Given a string s, partition s such that every substring of the partition is a palindrome. Return all possible palindrome partitioning of s. For example, given s = "aab", Return [ ["aa","b"], ["a","a",…
LeetCode题目解答——Easy部分 Posted on 2014 年 11 月 3 日 by 四火 [Updated on 9/22/2017] 如今回头看来,里面很多做法都不是最佳的,有的从复杂度上根本就不是最优解,有的写的太啰嗦,有的则用了一些过于tricky的方法.我没有为了这个再更新,就让它们去吧. LeetCode最近很火,我以前不太知道有这么一个很方便练习算法的网站,直到大概数周前同事和我说起,正好我老婆要找工作,而根据同事的理论,LeetCode的题目是必须攻破的第一道关卡.…
In this problem, a tree is an undirected graph that is connected and has no cycles. The given input is a graph that started as a tree with N nodes (with distinct values 1, 2, ..., N), with one additional edge added. The added edge has two different v…
剑指offer 重建二叉树 提交网址: http://www.nowcoder.com/practice/8a19cbe657394eeaac2f6ea9b0f6fcf6?tpId=13&tqId=11157 或 leetcode 105: https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/ 参与人数:5246  时间限制:1秒  空间限制:32768K 题目描述 输入某…