LeetCode - 随笔分类 - 浩然119

Leetcode 297. Serialize and Deserialize Binary Tree

摘要：https://leetcode.com/problems/serialize-and-deserialize-binary-tree/ Serialization is the process of converting a data structure or object into a sequ 阅读全文

posted @ 2019-09-28 09:51 浩然119 阅读(263) 评论(0) 推荐(0)

Leetcode 300. Longest Increasing Subsequence

摘要：https://leetcode.com/problems/longest-increasing-subsequence/ Medium Medium Medium Given an unsorted array of integers, find the length of longest inc 阅读全文

posted @ 2019-09-17 19:39 浩然119 阅读(212) 评论(0) 推荐(0)

Leetcode 322. Coin Change

摘要：https://leetcode.com/problems/coin-change/ Medium Medium Medium You are given coins of different denominations and a total amount of money amount. Wri 阅读全文

posted @ 2019-09-17 14:02 浩然119 阅读(180) 评论(0) 推荐(0)

Leetcode 62. Unique Paths

摘要：https://leetcode.com/problems/unique-paths/ Medium Medium Medium A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diag 阅读全文

posted @ 2019-09-14 18:07 浩然119 阅读(119) 评论(0) 推荐(0)

LeetCode 55. Jump Game

摘要：https://leetcode.com/problems/jump-game/ Medium Medium Medium Given an array of non-negative integers, you are initially positioned at the first index 阅读全文

posted @ 2019-09-09 20:32 浩然119 阅读(125) 评论(0) 推荐(0)

Leetcode 240. Search a 2D Matrix II

摘要：https://leetcode.com/problems/search-a-2d-matrix-ii/ Medium Medium Medium Write an efficient algorithm that searches for a value in an m x n matrix. T 阅读全文

posted @ 2019-09-03 17:44 浩然119 阅读(170) 评论(0) 推荐(0)

Leetcode 33. Search in Rotated Sorted Array

摘要：https://leetcode.com/problems/search-in-rotated-sorted-array/ Medium Medium Medium Suppose an array sorted in ascending order is rotated at some pivot 阅读全文

posted @ 2019-09-02 20:22 浩然119 阅读(166) 评论(0) 推荐(0)

Leetcode 56. Merge Intervals

摘要：https://leetcode.com/problems/merge-intervals/ Medium Given a collection of intervals, merge all overlapping intervals. Example 1: Input: [[1,3],[2,6] 阅读全文

posted @ 2019-09-02 18:07 浩然119 阅读(137) 评论(0) 推荐(0)

Leetcode 34. Find First and Last Position of Element in Sorted Array

摘要：https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/ Medium Medium Medium Given an array of integers nums sorted in 阅读全文

posted @ 2019-08-27 21:58 浩然119 阅读(121) 评论(0) 推荐(0)

Leetcode 162. Find Peak Element

摘要：https://leetcode.com/problems/find-peak-element/ Medium Medium Medium A peak element is an element that is greater than its neighbors. Given an input 阅读全文

posted @ 2019-08-21 20:03 浩然119 阅读(127) 评论(0) 推荐(0)

Leetcode 75. Sort Colors

摘要：https://leetcode.com/problems/sort-colors/ Medium Medium Medium Given an array with n objects colored red, white or blue, sort them in-place so that o 阅读全文

posted @ 2019-08-19 18:12 浩然119 阅读(161) 评论(0) 推荐(0)

Leetcode 79. Word Search

摘要：https://leetcode.com/problems/word-search/ Medium Medium Medium Given a 2D board and a word, find if the word exists in the grid. The word can be cons 阅读全文

posted @ 2019-08-13 21:57 浩然119 阅读(169) 评论(0) 推荐(0)

Leetcode 78. Subsets

摘要：https://leetcode.com/problems/subsets/ Medium Medium Medium Given a set of distinct integers, nums, return all possible subsets (the power set). Note: 阅读全文

posted @ 2019-08-12 22:32 浩然119 阅读(178) 评论(0) 推荐(0)

Leetcode 46. Permutations

摘要：https://leetcode.com/problems/permutations/ Medium Medium Medium Given a collection of distinct integers, return all possible permutations. Example: I 阅读全文

posted @ 2019-08-04 21:10 浩然119 阅读(167) 评论(0) 推荐(0)

Leetcode 22. Generate Parentheses

摘要：https://leetcode.com/problems/generate-parentheses/ Medium Medium Medium Given n pairs of parentheses, write a function to generate all combinations o 阅读全文

posted @ 2019-08-04 18:35 浩然119 阅读(121) 评论(0) 推荐(0)

Leetcode 200. Number of Islands

摘要：https://leetcode.com/problems/number-of-islands/ Medium Medium Medium Given a 2d grid map of '1's (land) and '0's (water), count the number of islands 阅读全文

posted @ 2019-07-30 17:16 浩然119 阅读(115) 评论(0) 推荐(0)

Leetcode 230. Kth Smallest Element in a BST

摘要：https://leetcode.com/problems/kth-smallest-element-in-a-bst/ Medium https://leetcode.com/problems/kth-smallest-element-in-a-bst/ Medium https://leetco 阅读全文

posted @ 2019-07-29 20:07 浩然119 阅读(188) 评论(0) 推荐(0)

Leetcode 116. Populating Next Right Pointers in Each Node

摘要：https://leetcode.com/problems/populating-next-right-pointers-in-each-node/ Medium Medium Medium You are given a perfect binary tree where all leaves a 阅读全文

posted @ 2019-07-22 17:49 浩然119 阅读(192) 评论(0) 推荐(0)

Leetcode 105. Construct Binary Tree from Preorder and Inorder Traversal

摘要：https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/ Medium Medium Medium Given preorder and inorder traversal of 阅读全文

posted @ 2019-07-17 20:26 浩然119 阅读(118) 评论(0) 推荐(0)

Leetcode 103. Binary Tree Zigzag Level Order Traversal

摘要：https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal/ Medium Medium Medium Given a binary tree, return the zigzag level order traver 阅读全文

posted @ 2019-07-15 19:43 浩然119 阅读(192) 评论(0) 推荐(0)

随笔分类 - LeetCode