leetcode.cn 2025-11-19
🟢2154.keep-multiplying-found-values-by-two
🏷️ Tags
#array #hash_table #sorting #simulation
🟢2154.keep-multiplying-found-values-by-two
🏷️ Tags
#array #hash_table #sorting #simulation
Telegraph
keep-multiplying-found-values-by-two
给你一个整数数组 nums ,另给你一个整数 original ,这是需要在 nums 中搜索的第一个数字。 接下来,你需要按下述步骤操作:
leetcode.com 2025-11-19
🟢2154.keep-multiplying-found-values-by-two
🏷️ Tags
#array #hash_table #sorting #simulation
🟢2154.keep-multiplying-found-values-by-two
🏷️ Tags
#array #hash_table #sorting #simulation
Telegraph
keep-multiplying-found-values-by-two
You are given an array of integers nums. You are also given an integer original which is the first number that needs to be searched for in nums. You then do the following steps:
leetcode.cn 2025-11-21
🟡1930.unique-length-3-palindromic-subsequences
🏷️ Tags
#bit_manipulation #hash_table #string #prefix_sum
🟡1930.unique-length-3-palindromic-subsequences
🏷️ Tags
#bit_manipulation #hash_table #string #prefix_sum
Telegraph
unique-length-3-palindromic-subsequences
给你一个字符串 s ,返回 s 中 长度为 3 的不同回文子序列 的个数。 即便存在多种方法来构建相同的子序列,但相同的子序列只计数一次。 回文 是正着读和反着读一样的字符串。 子序列 是由原字符串删除其中部分字符(也可以不删除)且不改变剩余字符之间相对顺序形成的一个新字符串。
leetcode.com 2025-11-21
🟡1930.unique-length-3-palindromic-subsequences
🏷️ Tags
#bit_manipulation #hash_table #string #prefix_sum
🟡1930.unique-length-3-palindromic-subsequences
🏷️ Tags
#bit_manipulation #hash_table #string #prefix_sum
Telegraph
unique-length-3-palindromic-subsequences
Given a string s, return the number of unique palindromes of length three that are a subsequence of s. Note that even if there are multiple ways to obtain the same subsequence, it is still only counted once. A palindrome is a string that reads the same forwards…
leetcode.cn 2025-11-22
🟢3190.find-minimum-operations-to-make-all-elements-divisible-by-three
🏷️ Tags
#array #math
🟢3190.find-minimum-operations-to-make-all-elements-divisible-by-three
🏷️ Tags
#array #math
Telegraph
find-minimum-operations-to-make-all-elements-divisible-by-three
给你一个整数数组 nums 。一次操作中,你可以将 nums 中的 任意 一个元素增加或者减少 1 。 请你返回将 nums 中所有元素都可以被 3 整除的 最少 操作次数。 示例 1: 输入:nums = [1,2,3,4] 输出:3 解释: 通过以下 3 个操作,数组中的所有元素都可以被 3 整除:
leetcode.com 2025-11-22
🟢3190.find-minimum-operations-to-make-all-elements-divisible-by-three
🏷️ Tags
#array #math
🟢3190.find-minimum-operations-to-make-all-elements-divisible-by-three
🏷️ Tags
#array #math
Telegraph
find-minimum-operations-to-make-all-elements-divisible-by-three
You are given an integer array nums. In one operation, you can add or subtract 1 from any element of nums. Return the minimum number of operations to make all elements of nums divisible by 3. Example 1: Input: nums = [1,2,3,4] Output: 3 Explanation: All…
leetcode.cn 2025-11-23
🟡1262.greatest-sum-divisible-by-three
🏷️ Tags
#greedy #array #dynamic_programming #sorting
🟡1262.greatest-sum-divisible-by-three
🏷️ Tags
#greedy #array #dynamic_programming #sorting
Telegraph
greatest-sum-divisible-by-three
给你一个整数数组 nums,请你找出并返回能被三整除的元素 最大和。 示例 1: 输入:nums = [3,6,5,1,8] 输出:18 解释:选出数字 3, 6, 1 和 8,它们的和是 18(可被 3 整除的最大和)。 示例 2: 输入:nums = [4] 输出:0 解释:4 不能被 3 整除,所以无法选出数字,返回 0。 示例 3: 输入:nums = [1,2,3,4,4] 输出:12 解释:选出数字 1, 3, 4 以及 4,它们的和是 12(可被 3 整除的最大和)。 提示:
leetcode.com 2025-11-23
🟡1262.greatest-sum-divisible-by-three
🏷️ Tags
#greedy #array #dynamic_programming #sorting
🟡1262.greatest-sum-divisible-by-three
🏷️ Tags
#greedy #array #dynamic_programming #sorting
Telegraph
greatest-sum-divisible-by-three
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 = [3,6,5,1,8] Output: 18 Explanation: Pick numbers 3, 6, 1 and 8 their sum is 18 (maximum sum divisible by 3).…
leetcode.cn 2025-11-26
🔴2435.paths-in-matrix-whose-sum-is-divisible-by-k
🏷️ Tags
#array #dynamic_programming #matrix
🔴2435.paths-in-matrix-whose-sum-is-divisible-by-k
🏷️ Tags
#array #dynamic_programming #matrix
Telegraph
paths-in-matrix-whose-sum-is-divisible-by-k
给你一个下标从 0 开始的 m x n 整数矩阵 grid 和一个整数 k 。你从起点 (0, 0) 出发,每一步只能往 下 或者往 右 ,你想要到达终点 (m - 1, n - 1) 。 请你返回路径和能被 k 整除的路径数目,由于答案可能很大,返回答案对 109 + 7 取余 的结果。 示例 1: 输入:grid = [[5,2,4],[3,0,5],[0,7,2]], k = 3 输出:2 解释:有两条路径满足路径上元素的和能被 k 整除。 第一条路径为上图中用红色标注的路径,和为 5 + 2…
leetcode.com 2025-11-26
🔴2435.paths-in-matrix-whose-sum-is-divisible-by-k
🏷️ Tags
#array #dynamic_programming #matrix
🔴2435.paths-in-matrix-whose-sum-is-divisible-by-k
🏷️ Tags
#array #dynamic_programming #matrix
Telegraph
paths-in-matrix-whose-sum-is-divisible-by-k
You are given a 0-indexed m x n integer matrix grid and an integer k. You are currently at position (0, 0) and you want to reach position (m - 1, n - 1) moving only down or right. Return the number of paths where the sum of the elements on the path is divisible…
leetcode.cn 2025-11-27
🟡3381.maximum-subarray-sum-with-length-divisible-by-k
🏷️ Tags
#array #hash_table #prefix_sum
🟡3381.maximum-subarray-sum-with-length-divisible-by-k
🏷️ Tags
#array #hash_table #prefix_sum
Telegraph
maximum-subarray-sum-with-length-divisible-by-k
给你一个整数数组 nums 和一个整数 k 。
leetcode.com 2025-11-27
🟡3381.maximum-subarray-sum-with-length-divisible-by-k
🏷️ Tags
#array #hash_table #prefix_sum
🟡3381.maximum-subarray-sum-with-length-divisible-by-k
🏷️ Tags
#array #hash_table #prefix_sum
Telegraph
maximum-subarray-sum-with-length-divisible-by-k
You are given an array of integers nums and an integer k. Return the maximum sum of a subarray of nums, such that the size of the subarray is divisible by k. Example 1: Input: nums = [1,2], k = 1 Output: 3 Explanation: The subarray [1, 2] with sum 3 has…
leetcode.cn 2025-11-28
🔴2872.maximum-number-of-k-divisible-components
🏷️ Tags
#tree #depth_first_search
🔴2872.maximum-number-of-k-divisible-components
🏷️ Tags
#tree #depth_first_search
Telegraph
maximum-number-of-k-divisible-components
给你一棵 n 个节点的无向树,节点编号为 0 到 n - 1 。给你整数 n 和一个长度为 n - 1 的二维整数数组 edges ,其中 edges[i] = [ai, bi] 表示树中节点 ai 和 bi 有一条边。 同时给你一个下标从 0 开始长度为 n 的整数数组 values ,其中 values[i] 是第 i 个节点的 值 。再给你一个整数 k 。 你可以从树中删除一些边,也可以一条边也不删,得到若干连通块。一个 连通块的值 定义为连通块中所有节点值之和。如果所有连通块的值都可以被 k 整除,那么我们说这是一个…
leetcode.com 2025-11-28
🔴2872.maximum-number-of-k-divisible-components
🏷️ Tags
#tree #depth_first_search
🔴2872.maximum-number-of-k-divisible-components
🏷️ Tags
#tree #depth_first_search
Telegraph
maximum-number-of-k-divisible-components
There is an undirected tree with n nodes labeled from 0 to n - 1. You are given the integer n and a 2D integer array edges of length n - 1, where edges[i] = [ai, bi] indicates that there is an edge between nodes ai and bi in the tree. You are also given a…