08 2020 档案

694. Number of Distinct Islands 694.独立岛屿数
摘要：Given a non-empty 2D array grid of 0's and 1's, an island is a group of 1's (representing land) connected 4-directionally (horizontal or vertical.) Yo 阅读全文
posted @ 2020-08-31 01:43 苗妙苗 阅读(131) 评论(0) 推荐(0)
79. Word Search 矩阵中查找单词
摘要：Given a 2D board and a word, find if the word exists in the grid. The word can be constructed from letters of a sequentially adjacent cells, where "ad 阅读全文
posted @ 2020-08-29 00:12 苗妙苗 阅读(189) 评论(0) 推荐(0)
200. Number of Islands 200.岛屿数（可以形状一样）
摘要：Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacen 阅读全文
posted @ 2020-08-27 10:24 苗妙苗 阅读(133) 评论(0) 推荐(0)
695. Max Area of Island最大岛屿面积
摘要：Given a non-empty 2D array grid of 0's and 1's, an island is a group of 1's (representing land) connected 4-directionally (horizontal or vertical.) Yo 阅读全文
posted @ 2020-08-26 23:15 苗妙苗 阅读(161) 评论(0) 推荐(0)
131. Palindrome Partitioning 回文串分割
摘要：Given a string s, partition s such that every substring of the partition is a palindrome. Return all possible palindrome partitioning of s. Example: I 阅读全文
posted @ 2020-08-15 11:14 苗妙苗 阅读(101) 评论(0) 推荐(0)
40. Combination Sum II 不允许使用重复元素
摘要：Given a collection of candidate numbers (candidates) and a target number (target), find all unique combinations in candidates where the candidate numb 阅读全文
posted @ 2020-08-13 23:17 苗妙苗 阅读(158) 评论(0) 推荐(0)
39. Combination Sum 凑出一个和，可以重复用元素（含duplicates）
摘要：Given a set of candidate numbers (candidates) (without duplicates) and a target number (target), find all unique combinations in candidates where the 阅读全文
posted @ 2020-08-11 23:25 苗妙苗 阅读(177) 评论(0) 推荐(0)
47. Permutations II 全排列可重复版本
摘要：Given a collection of numbers that might contain duplicates, return all possible unique permutations. Example: Input: [1,1,2] Output: [ [1,1,2], [1,2, 阅读全文
posted @ 2020-08-11 07:50 苗妙苗 阅读(100) 评论(0) 推荐(0)
46. Permutations 全排列，无重复
摘要：Given a collection of distinct integers, return all possible permutations. Example: Input: [1,2,3] Output: [ [1,2,3], [1,3,2], [2,1,3], [2,3,1], [3,1, 阅读全文
posted @ 2020-08-10 07:31 苗妙苗 阅读(183) 评论(0) 推荐(0)
subset ii 子集 有重复元素
摘要：Given a collection of integers that might contain duplicates, nums, return all possible subsets (the power set). Note: The solution set must not conta 阅读全文
posted @ 2020-08-07 10:37 苗妙苗 阅读(155) 评论(0) 推荐(0)
339. Nested List Weight Sum 339.嵌套列表权重总和
摘要：Given a nested list of integers, return the sum of all integers in the list weighted by their depth. Each element is either an integer, or a list -- w 阅读全文
posted @ 2020-08-04 10:46 苗妙苗 阅读(119) 评论(0) 推荐(0)
251. Flatten 2D Vector 平铺二维矩阵
摘要：Implement an iterator to flatten a 2d vector. Example: Input: 2d vector = [ [1,2], [3], [4,5,6] ] Output: [1,2,3,4,5,6] Explanation: By calling next r 阅读全文
posted @ 2020-08-04 07:49 苗妙苗 阅读(107) 评论(0) 推荐(0)
217. Contains Duplicate数组重复元素
摘要：Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr 阅读全文
posted @ 2020-08-03 01:16 苗妙苗 阅读(115) 评论(0) 推荐(0)
209. Minimum Size Subarray Sum 结果大于等于目标的最小长度数组
摘要：Given an array of n positive integers and a positive integer s, find the minimal length of a contiguous subarray of which the sum ≥ s. If there isn't 阅读全文
posted @ 2020-08-02 11:07 苗妙苗 阅读(147) 评论(0) 推荐(0)
438. Find All Anagrams in a String 查找字符串中的所有Anagrams
摘要：Given a string s and a non-empty string p, find all the start indices of p's anagrams in s. Strings consists of lowercase English letters only and the 阅读全文
posted @ 2020-08-01 10:24 苗妙苗 阅读(129) 评论(0) 推荐(0)