[LeetCode]Minimum Moves to Equal Array Elements
题目描述：LeetCode 453. Minimum Moves to Equal Array ElementsGiven a non-empty integer array of size n, find the minimum number of moves required to make all array elements equal, where a move is...
View Article[LeetCode]Number of Boomerangs
题目描述：LeetCode 447. Number of BoomerangsGiven n points in the plane that are all pairwise distinct, a "boomerang" is a tuple of points (i, j, k) such that the distance between i and j equals the...
View Article[LeetCode]Minimum Number of Arrows to Burst Balloons
题目描述：LeetCode 452. Minimum Number of Arrows to Burst BalloonsThere are a number of spherical balloons spread in two-dimensional space. For each balloon, provided input is the start and end coordinates...
View Article[LeetCode]Arithmetic Slices II - Subsequence
题目描述：LeetCode 446. Arithmetic Slices II - SubsequenceA sequence of numbers is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is...
View Article[LeetCode]Smarking Algorithm Contest 3解题报告
Smarking Algorithm Contest 3是LeetCode举办的第十一场正式周赛，共4道题目，比赛时长2.5小时。比赛链接：https://leetcode.com/contest/detail/12题解列表：LeetCode 453. Minimum Moves to Equal Array ElementsLeetCode 447. Number of...
View Article[LeetCode]Poor Pigs
题目描述：LeetCode 458. Poor PigsThere are 1000 buckets, one and only one of them contains poison, the rest are filled with water. They all look the same. If a pig drinks that poison it will die within 15...
View Article[LeetCode]Circular Array Loop
题目描述：LeetCode 457. Circular Array LoopYou are given an array of positive and negative integers. If a number n at an index is positive, then move forward n steps. Conversely, if it's negative (-n), move...
View Article[LeetCode]Delete Node in a BST
题目描述：LeetCode 450. Delete Node in a BSTGiven a root node reference of a BST and a key, delete the node with the given key in the BST. Return the root node reference (possibly updated) of the...
View Article[LeetCode]Assign Cookies
题目描述：LeetCode 455. Assign CookiesAssume you are an awesome parent and want to give your children some cookies. But, you should give each child at most one cookie. Each child i has a greed factor gi,...
View Article[LeetCode]Repeated Substring Pattern
题目描述：LeetCode 459. Repeated Substring PatternGiven a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume...
View Article[LeetCode]4Sum II
题目描述：LeetCode 454. 4Sum IIGiven four lists A, B, C, D of integer values, compute how many tuples (i, j, k, l) there are such that A[i] + B[j] + C[k] + D[l] is zero.To make problem a bit easier, all A,...
View Article[LeetCode]132 Pattern
题目描述：LeetCode 456. 132 PatternGiven a sequence of n integers a1, a2, ..., an, a 132 pattern is a subsequence ai, aj, ak such that i< j< k and ai< ak< aj. Design an algorithm that takes a...
View Article[LeetCode]Smarking Algorithm Contest 4解题报告
Smarking Algorithm Contest 4是LeetCode举办的第十二场正式周赛，共4道题目，比赛时长2.5小时。比赛链接：https://leetcode.com/contest/detail/13题解列表：LeetCode 455. Assign CookiesLeetCode 459. Repeated Substring PatternLeetCode 454. 4Sum...
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[LeetCode]Island Perimeter
题目描述：LeetCode 463. Island PerimeterYou are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not...
View Article[LeetCode]Can I Win
题目描述：LeetCode 464. Can I WinIn the "100 game," two players take turns adding, to a running total, any integer from 1..10. The player who first causes the running total to reach or exceed 100 wins.What...
View Article[LeetCode]Minimum Moves to Equal Array Elements II
题目描述：LeetCode 462. Minimum Moves to Equal Array Elements IIGiven a non-empty integer array, find the minimum number of moves required to make all array elements equal, where a move is incrementing a...
View ArticleLeetCode Weekly Contest 10解题报告
LeetCode Weekly Contest 10是LeetCode举办的第十三场正式周赛，共4道题目，比赛时长2.5小时。比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-10/题解列表：LeetCode 463. Island PerimeterLeetCode 464. Can I WinLeetCode 462....
View Article[LeetCode]Optimal Account Balancing
题目描述：LeetCode 465. Optimal Account BalancingA group of friends went on holiday and sometimes lent each other money. For example, Alice paid for Bill's lunch for $10. Then later Chris gave Alice $5 for...
View Article[LeetCode]LFU Cache
题目描述：LeetCode 460. LFU CacheDesign and implement a data structure for Least Frequently Used (LFU) cache. It should support the following operations: get and set.get(key) - Get the value (will always be...
View Article[LeetCode]Validate IP Address
题目描述：LeetCode 468. Validate IP AddressIn this problem, your job to write a function to check whether a input string is a valid IPv4 address or IPv6 address or neither.IPv4 addresses are canonically...
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