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原题链接在这里：https://leetcode.com/problems/maximum-units-on-a-truck/ 题目： You are assigned to put some amount of boxes onto one truck. You are given a 2D ar
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posted @ 2022-08-12 08:15
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximum-length-of-subarray-with-positive-product/ 题目： Given an array of integers nums, find the maximum length o
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posted @ 2022-08-12 07:58
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/longest-duplicate-substring/ 题目： Given a string s, consider all duplicated substrings: (contiguous) substrings o
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posted @ 2022-08-08 06:01
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/finding-3-digit-even-numbers/ 题目： You are given an integer array digits, where each element is a digit. The arra
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posted @ 2022-08-08 02:22
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/smallest-rotation-with-highest-score/ 题目： You are given an array nums. You can rotate it by a non-negative integ
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posted @ 2022-08-07 14:46
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximum-frequency-stack/ 题目： Design a stack-like data structure to push elements to the stack and pop the most f
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posted @ 2022-08-07 13:38
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/frequency-of-the-most-frequent-element/ 题目： The frequency of an element is the number of times it occurs in an a
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posted @ 2022-08-05 06:24
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/construct-k-palindrome-strings/ 题目： Given a string s and an integer k, return true if you can use all the charac
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posted @ 2022-08-04 14:39
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximum-of-minimum-values-in-all-subarrays/ 题目： You are given an integer array nums of size n. You are asked to
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posted @ 2022-08-04 14:34
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/minimum-time-to-complete-trips/ 题目： You are given an array time where time[i] denotes the time taken by the ith
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posted @ 2022-08-04 09:50
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit/ 题目： Given an array of integers nums
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posted @ 2022-08-04 09:12
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/optimal-account-balancing/ 题目： You are given an array of transactions transactions where transactions[i] = [from
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posted @ 2022-08-03 15:26
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/next-palindrome-using-same-digits/ 题目： ou are given a numeric string num, representing a very large palindrome.
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posted @ 2022-08-03 14:27
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/construct-quad-tree/ 题目： Given a n * n matrix grid of 0's and 1's only. We want to represent the grid with a Qua
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posted @ 2022-07-31 14:46
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/bus-routes/ 题目： You are given an array routes representing bus routes where routes[i] is a bus route that the it
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posted @ 2022-07-31 09:41
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/substring-with-largest-variance/ 题目： The variance of a string is defined as the largest difference between the n
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posted @ 2022-07-30 15:06
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string/ 题目： Let's define a function countUniqueChars(s) tha
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posted @ 2022-07-26 05:46
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/total-appeal-of-a-string/ 题目： The appeal of a string is the number of distinct characters found in the string. F
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posted @ 2022-07-25 08:59
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/design-in-memory-file-system/ 题目： Design a data structure that simulates an in-memory file system. Implement the
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posted @ 2022-07-24 12:36
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/rotating-the-box/ 题目： You are given an m x n matrix of characters box representing a side-view of a box. Each ce
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posted @ 2022-07-19 12:47
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/restore-the-array-from-adjacent-pairs/ 题目： There is an integer array nums that consists of n unique elements, bu
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posted @ 2022-07-19 12:21
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/minimum-increment-to-make-array-unique/ 题目： You are given an integer array nums. In one move, you can pick an in
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posted @ 2022-07-19 07:59
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/web-crawler-multithreaded/ 题目： Given a URL startUrl and an interface HtmlParser, implement a Multi-threaded web
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posted @ 2022-07-19 07:23
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximum-profit-in-job-scheduling/ 题目： We have n jobs, where every job is scheduled to be done from startTime[i]
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posted @ 2022-07-19 02:24
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/jump-game-iv/ 题目： Given an array of integers arr, you are initially positioned at the first index of the array.
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posted @ 2022-07-03 08:16
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/jump-game-iii/ 题目： Given an array of non-negative integers arr, you are initially positioned at start index of t
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posted @ 2022-07-03 07:52
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximum-difference-between-increasing-elements/ 题目： Given a 0-indexed integer array nums of size n, find the max
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posted @ 2022-07-02 13:16
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/rearrange-array-elements-by-sign/ 题目： You are given a 0-indexed integer array nums of even length consisting of
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posted @ 2022-07-02 11:56
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/search-in-a-binary-search-tree/ 题目： You are given the root of a binary search tree (BST) and an integer val. Fin
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posted @ 2022-06-28 14:02
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/n-ary-tree-postorder-traversal/ 题目： Given the root of an n-ary tree, return the postorder traversal of its nodes
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posted @ 2022-06-27 05:42
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/n-ary-tree-preorder-traversal/ 题目： Given the root of an n-ary tree, return the preorder traversal of its nodes'
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posted @ 2022-06-27 05:24
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/sort-array-by-increasing-frequency/ 题目： Given an array of integers nums, sort the array in increasing order base
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posted @ 2022-06-26 15:21
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximum-average-subtree/ 题目： Given the root of a binary tree, return the maximum average value of a subtree of t
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posted @ 2022-06-24 16:08
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/unique-number-of-occurrences/ 题目： Given an array of integers arr, return true if the number of occurrences of ea
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posted @ 2022-06-24 14:46
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/steps-to-make-array-non-decreasing/ 题目： You are given a 0-indexed integer array nums. In one step, remove all el
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posted @ 2022-06-24 13:45
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/matrix-block-sum/ 题目： Given a m x n matrix mat and an integer k, return a matrix answer where each answer[i][j]
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posted @ 2022-06-23 12:14
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/russian-doll-envelopes/ 题目： You are given a 2D array of integers envelopes where envelopes[i] = [wi, hi] represe
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posted @ 2022-06-21 14:21
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/sum-of-subarray-ranges/ 题目： You are given an integer array nums. The range of a subarray of nums is the differen
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posted @ 2022-06-20 05:44
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/sum-of-subarray-minimums/ 题目： Given an array of integers arr, find the sum of min(b), where b ranges over every
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posted @ 2022-06-20 05:30
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/online-stock-span/ 题目： Design an algorithm that collects daily price quotes for some stock and returns the span
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posted @ 2022-06-19 11:44
Dylan_Java_NYC
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