[LeetCode] 908. Smallest Range I You are given an integer array nums and an integer k. In one operation, you can choose any index i where 0 <= i < nums.length and change nums[i] to nums[i] + x where x is an integer from th 2024-10-19 #leetcode #array #java #math
[LeetCode] 2406. Divide Intervals Into Minimum Number of Groups You are given a 2D integer array intervals where intervals[i] = [left, right] represents the inclusive interval [left, right]. You have to divide the intervals into one or more groups such that e 2024-10-12 #leetcode #array #java #sort #greedy #heap #line sweep
[LeetCode] 962. Maximum Width Ramp A ramp in an integer array nums is a pair (i, j) for which i < j and nums[i] <= nums[j]. The width of such a ramp is j - i. Given an integer array nums, return the maximum width of a ramp i 2024-10-10 #leetcode #array #java #stack #monotonic stack
[LeetCode] 2491. Divide Players Into Teams of Equal Skill You are given a positive integer array skill of even length n where skill[i] denotes the skill of the ith player. Divide the players into n / 2 teams of size 2 such that the total skill of each t 2024-10-04 #leetcode #array #two pointer #java
[LeetCode] 1497. Check If Array Pairs Are Divisible by k Given an array of integers arr of even length n and an integer k. We want to divide the array into exactly n / 2 pairs such that the sum of each pair is divisible by k. Return true If you can fin 2024-10-01 #leetcode #array #hashmap #java #math
[LeetCode] 641. Design Circular Deque Design your implementation of the circular double-ended queue (deque). Implement the MyCircularDeque class:MyCircularDeque(int k) Initializes the deque with a maximum size of k.boolean insertFront() A 2024-09-28 #leetcode #java #design #linked list #queue
[LeetCode] 2414. Length of the Longest Alphabetical Continuous Substring An alphabetical continuous string is a string consisting of consecutive letters in the alphabet. In other words, it is any substring of the string “abcdefghijklmnopqrstuvwxyz”. For example, “abc” is a 2024-09-19 #leetcode #two pointer #java #string
[LeetCode] 884. Uncommon Words from Two Sentences A sentence is a string of single-space separated words where each word consists only of lowercase letters. A word is uncommon if it appears exactly once in one of the sentences, and does not appear in 2024-09-17 #leetcode #hashmap #java #string
[LeetCode] 2419. Longest Subarray With Maximum Bitwise AND You are given an integer array nums of size n. Consider a non-empty subarray from nums that has the maximum possible bitwise AND. In other words, let k be the maximum value of the bitwise AND of any s 2024-09-14 #leetcode #array #java #bit manipulation
[LeetCode] 2326. Spiral Matrix IV You are given two integers m and n, which represent the dimensions of a matrix. You are also given the head of a linked list of integers. Generate an m x n matrix that contains the integers in the lin 2024-09-14 #leetcode #array #java #matrix #linked list #simulation