CNoodle

摘要： You are given an integer finalSum. Split it into a sum of a maximum number of unique positive even integers. For example, given finalSum = 12, the fol 阅读全文

摘要： There is a bag that consists of items, each item has a number 1, 0, or -1 written on it. You are given four non-negative integers numOnes, numZeros, n 阅读全文

摘要： You are given a 0-indexed 2D integer array nums. Initially, your score is 0. Perform the following operations until the matrix becomes empty: From eac 阅读全文

摘要： Given a binary array nums, you should delete one element from it. Return the size of the longest non-empty subarray containing only 1's in the resulti 阅读全文

摘要： For two strings s and t, we say "t divides s" if and only if s = t + ... + t (i.e., t is concatenated with itself one or more times). Given two string 阅读全文

摘要： Given an array of integers, return the maximum sum for a non-empty subarray (contiguous elements) with at most one element deletion. In other words, y 阅读全文

摘要： You are given a 0-indexed integer array costs where costs[i] is the cost of hiring the ith worker. You are also given two integers k and candidates. W 阅读全文

摘要： Given a positive integer n, find the pivot integer x such that: The sum of all elements between 1 and x inclusively equals the sum of all elements bet 阅读全文

摘要： 你有一个用于表示一片土地的整数矩阵land，该矩阵中每个点的值代表对应地点的海拔高度。若值为0则表示水域。由垂直、水平或对角连接的水域为池塘。池塘的大小是指相连接的水域的个数。编写一个方法来计算矩阵中所有池塘的大小，返回值需要从小到大排序。 示例： 输入：[ [0,2,1,0], [0,1,0,1] 阅读全文

摘要： You are given a 0-indexed array nums of n integers, and an integer k. The k-radius average for a subarray of nums centered at some index i with the ra 阅读全文

摘要： Given an integer array nums, return the maximum possible sum of elements of the array such that it is divisible by three. Example 1: Input: nums = [3, 阅读全文

摘要： You are given a 0-indexed array of positive integers nums. Find the number of triplets (i, j, k) that meet the following conditions: 0 <= i < j < k < 阅读全文

摘要： Given a m x n matrix grid which is sorted in non-increasing order both row-wise and column-wise, return the number of negative numbers in grid. Exampl 阅读全文

摘要： Given a 0-indexed n x n integer matrix grid, return the number of pairs (ri, cj) such that row ri and column cj are equal. A row and column pair is co 阅读全文

摘要： You are given a 0-indexed array nums of size n consisting of non-negative integers. You need to apply n - 1 operations to this array where, in the ith 阅读全文

摘要： You are given a list of bombs. The range of a bomb is defined as the area where its effect can be felt. This area is in the shape of a circle with the 阅读全文

摘要： You are given a 0-indexed array of strings words and a 2D array of integers queries. Each query queries[i] = [li, ri] asks us to find the number of st 阅读全文

摘要： The n-queens puzzle is the problem of placing n queens on an n x n chessboard such that no two queens attack each other. Given an integer n, return al 阅读全文

摘要： You are given an array of equal-length strings words. Assume that the length of each string is n. Each string words[i] can be converted into a differe 阅读全文

摘要： There is a set of n items. You are given two integer arrays values and labels where the value and the label of the ith element are values[i] and label 阅读全文