xinyu04

摘要： Given an array of meeting time intervals intervals where intervals[i] = [starti, endi], return the minimum number of conference rooms required. Soluti 阅读全文

摘要： Given an unsorted array of integers nums, return the length of the longest consecutive elements sequence. You must write an algorithm that runs in $O( 阅读全文

摘要： You have one chocolate bar that consists of some chunks. Each chunk has its own sweetness given by the array sweetness. You want to share the chocolat 阅读全文

摘要： You are given an array colors, in which there are three colors: 1, 2 and 3. You are also given some queries. Each query consists of two integers i and 阅读全文

摘要： There are some spherical balloons taped onto a flat wall that represents the XY-plane. The balloons are represented as a 2D integer array points where 阅读全文

摘要： Given an array of positive integers arr, return the sum of all possible odd-length subarrays of arr. A subarray is a contiguous subsequence of the arr 阅读全文

摘要： Given a binary array data, return the minimum number of swaps required to group all 1’s present in the array together in any place in the array. Solut 阅读全文

摘要： Given an integer array nums and an integer k, return the maximum length of a subarray that sums to k. If there is not one, return 0 instead. Solution 阅读全文

摘要： A peak element in a 2D grid is an element that is strictly greater than all of its adjacent neighbors to the left, right, top, and bottom. Given a $0$ 阅读全文

摘要： Given an integer array nums which is sorted in ascending order and all of its elements are unique and given also an integer k, return the kth missing 阅读全文