45. Arrange the array to the smallest number
Enter an array of non-negative integers, concatenate all the numbers in the array into a number, and print the smallest number that can be concatenated....
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Tag: leetcode
[luffy]_ programmer must brush force topic: 779
January 31, 2024
by Elliot Chadwick-Jones
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779. KTH Syntax symbol On the first line we write a 0. For each subsequent line, replace the 0 in the previous line with 01...
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42. Receive rain, double pointer, JavaScript, detailed comments
January 31, 2024
by Darshit Loyal
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Consider each column as a bucket and calculate the amount of water it turns separately, then add it up to get the result. Use two...
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283. Move zero, JavaScript, one pass, detailed comments
January 31, 2024
by 馬柏翰
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Reference problem solved animation demonstration 283. Moving zero one - time traversal solution. Fast pointer traversal number group. The slow pointer indicates where non-zero elements...
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Leetcode 312. Burst Balloons (Python)
January 30, 2024
by Amelia Jackson
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Burst Balloons (Python) use dynamic programming to solve complex and difficult dynamic programming problems
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Leetcode 1015. Smallest Integer Divisible by K (Python)
January 30, 2024
by Bobby Rangel
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Leetcode 1015. Smallest Integer Divisible by K (Python
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[Luffy]_leetcode-128- Longest continuous sequence
January 30, 2024
by Gina Mann
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Given an unsorted integer array nums, find the length of the longest sequence of consecutive digits. Please design and implement the time complexity of O(n)...
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HashMap extension ConcurrentHashMap LinkedHashMap
January 30, 2024
by Leslie Harmon
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HASHMAP extension reading EffectiveJava slightly summary HashMap:http://www.jianshu.com/p/24c10ce29c85 before writing this reason: see the gray about HASHMAP
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846. Single-hander: Data structure simulation
January 30, 2024
by William Mendoza
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This is 846 on LeetCode. Alice has a deck of cards in her hand, and she wants to rearrange them into groups so that the...
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LeetCode occasionally — 1. Sum of two numbers
January 30, 2024
by Heer Konda
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You can assume that there is only one answer for each type of input. However, you cannot reuse the same elements in this array. I...
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Daily LeetCode (1) : Sum of two numbers
January 30, 2024
by Shlok Chandra
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Some time ago, I saw an article about LeetCode, which made me deeply touched. When I was in college, I did not study algorithms much,...
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LeetCode49, learn hash algorithms in one
January 30, 2024
by 梁信宏
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Today, the 30th article in LeetCode, looks at a string grouping problem. Given an array of strings, you are asked to group all the strings...
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430. Flat multilevel bidirectional linked lists
January 30, 2024
by Stephanie Parks
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We have to figure out what the problem is first and then try to solve it. In fact, most of the linked list problems are...
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LeetCode — sum of two numbers
January 30, 2024
by Jonathan Johnson
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Because there is only one target in the array, a double loop is performed directly, with I and j being the subscripts of the two...
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1995. Statistical special quads: “Enumeration” & “Hash Table” & “Multidimensional knapsack”
January 30, 2024
by Chelsea Martin
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This is 1995 in LeetCode. The difficulty is simple. Tag: "enumeration", "hash table", "backpack DP" gives you an array of integers with subscripts starting at...
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Two questions per day: Sum of two numbers && Sum of two numbers
January 30, 2024
by Leslie Allen
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Hope is a good thing, maybe the best of things. And no good thing ever dies.
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Jz7. Reposition the array so that the odd number precedes the even number
January 30, 2024
by Susan Jones
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Take an array of integers and implement a function to adjust the order of the numbers in the array so that all odd numbers are...
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LeetCode — sum of two numbers
January 30, 2024
by 周佳樺
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Given an array of integers (nums) and a target value (target), find the two integers in the array and return their array subscripts. You can...
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15. The sum of three numbers | brush the question and punch the clock
January 30, 2024
by Evan Flowers
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Given an array nums containing n integers, determine if there are three elements a, B, and c in nums such that a + b +...
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472. Conjunctions: Sequential DP (String hash optimization) word problem
January 30, 2024
by Tushar Sunder
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This is LeetCode 472. Tag: "string hash", "sequence DP" gives you an array of strings without repeating words, please find and return words
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Maximum Subarray min-product (python)
January 30, 2024
by Emily Smith
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Leetcode 1856. Maximum Subarray min-product (Python) Maximum Subarray min-product (python
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[luffie]_leetcode- Finger Offer 68 – I- the nearest common ancestor of the binary search tree
January 30, 2024
by 李龍
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Given a binary search tree, find the nearest common ancestor of two specified nodes in the tree. The definition of the nearest common ancestor in...
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[Luffy]_leetcode-969- Sort pancakes
January 30, 2024
by Rati Bajaj
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[url] [url] [url] [url] [url] [url] [url] [url] [url] [url] [url] A pancake flip is executed as follows: Select an integer k, 1 <= k...
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[Luffy]_leetcode-451- Sort by character frequency
January 30, 2024
by David Patterson
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Given a string, place the characters in the string in descending order of occurrence frequency. Example 1: Example 2: Example 3: To order input strings...
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You read it, you write it? Understand backtracking algorithm, brush more than 20 questions in one breath
January 30, 2024
by Steven Tate
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Backtracking algorithm is actually a search attempt process similar to enumeration, which is mainly to find the solution of the problem in the search attempt...
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124. Maximum path sum in binary trees
January 30, 2024
by 李鈺婷
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At each node, there are three options: 1.
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[Luffy]_leetcode-973- K points closest to the origin
January 30, 2024
by 林宜君
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[B] We have a list of points on the plane. I want to find K points that are closest to the origin (0, 0). (Here,...
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1078. Bigram participle: Simple string simulation
January 30, 2024
by Alice Murdoch-Nielsen
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1078. Bigram in LeetCode. Tag: "simulation" gives the first word first and the second word second, considering that in some text it might start with"
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[luffy]_leetcode-124- Maximum path sum in binary tree
January 30, 2024
by 蘇佳玲
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A path is defined as a sequence that starts at any node in the tree and continues from parent to child to any node. The...
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