leetcode.com 2025-09-22
🟢3005.count-elements-with-maximum-frequency
🏷️ Tags
#array #hash_table #counting
🟢3005.count-elements-with-maximum-frequency
🏷️ Tags
#array #hash_table #counting
Telegraph
count-elements-with-maximum-frequency
You are given an array nums consisting of positive integers. Return the total frequencies of elements in nums such that those elements all have the maximum frequency. The frequency of an element is the number of occurrences of that element in the array. …
leetcode.cn 2025-10-11
🟡3186.maximum-total-damage-with-spell-casting
🏷️ Tags
#array #hash_table #two_pointers #binary_search #dynamic_programming #counting #sorting
🟡3186.maximum-total-damage-with-spell-casting
🏷️ Tags
#array #hash_table #two_pointers #binary_search #dynamic_programming #counting #sorting
Telegraph
maximum-total-damage-with-spell-casting
一个魔法师有许多不同的咒语。 给你一个数组 power ,其中每个元素表示一个咒语的伤害值,可能会有多个咒语有相同的伤害值。 已知魔法师使用伤害值为 power[i] 的咒语时,他们就 不能 使用伤害为 power[i] - 2 ,power[i] - 1 ,power[i] + 1 或者 power[i] + 2 的咒语。 每个咒语最多只能被使用 一次 。 请你返回这个魔法师可以达到的伤害值之和的 最大值 。 示例 1: 输入:power = [1,1,3,4] 输出:6 解释: 可以使用咒语 0,1,3,伤害值分别为…
leetcode.com 2025-10-11
🟡3186.maximum-total-damage-with-spell-casting
🏷️ Tags
#array #hash_table #two_pointers #binary_search #dynamic_programming #counting #sorting
🟡3186.maximum-total-damage-with-spell-casting
🏷️ Tags
#array #hash_table #two_pointers #binary_search #dynamic_programming #counting #sorting
Telegraph
maximum-total-damage-with-spell-casting
A magician has various spells. You are given an array power, where each element represents the damage of a spell. Multiple spells can have the same damage value. It is a known fact that if a magician decides to cast a spell with a damage of power[i], they…
leetcode.cn 2025-10-24
🟡2048.next-greater-numerically-balanced-number
🏷️ Tags
#hash_table #math #backtracking #counting #enumeration
🟡2048.next-greater-numerically-balanced-number
🏷️ Tags
#hash_table #math #backtracking #counting #enumeration
Telegraph
next-greater-numerically-balanced-number
如果整数 x 满足:对于每个数位 d ,这个数位 恰好 在 x 中出现 d 次。那么整数 x 就是一个 数值平衡数 。 给你一个整数 n ,请你返回 严格大于 n 的 最小数值平衡数 。 示例 1: 输入:n = 1 输出:22 解释: 22 是一个数值平衡数,因为: - 数字 2 出现 2 次 这也是严格大于 1 的最小数值平衡数。 示例 2: 输入:n = 1000 输出:1333 解释: 1333 是一个数值平衡数,因为: - 数字 1 出现 1 次。 - 数字 3 出现 3 次。 这也是严格大于…
leetcode.com 2025-10-24
🟡2048.next-greater-numerically-balanced-number
🏷️ Tags
#hash_table #math #backtracking #counting #enumeration
🟡2048.next-greater-numerically-balanced-number
🏷️ Tags
#hash_table #math #backtracking #counting #enumeration
Telegraph
next-greater-numerically-balanced-number
An integer x is numerically balanced if for every digit d in the number x, there are exactly d occurrences of that digit in x. Given an integer n, return the smallest numerically balanced number strictly greater than n. Example 1: Input: n = 1 Output: 22…
leetcode.cn 2025-11-13
🟡3228.maximum-number-of-operations-to-move-ones-to-the-end
🏷️ Tags
#greedy #string #counting
🟡3228.maximum-number-of-operations-to-move-ones-to-the-end
🏷️ Tags
#greedy #string #counting
Telegraph
maximum-number-of-operations-to-move-ones-to-the-end
给你一个 二进制字符串 s。 你可以对这个字符串执行 任意次 下述操作:
leetcode.com 2025-11-13
🟡3228.maximum-number-of-operations-to-move-ones-to-the-end
🏷️ Tags
#greedy #string #counting
🟡3228.maximum-number-of-operations-to-move-ones-to-the-end
🏷️ Tags
#greedy #string #counting
Telegraph
maximum-number-of-operations-to-move-ones-to-the-end
You are given a binary string s. You can perform the following operation on the string any number of times:
leetcode.cn 2026-02-12
🟡3713.longest-balanced-substring-i
🏷️ Tags
#hash_table #string #counting #enumeration
🟡3713.longest-balanced-substring-i
🏷️ Tags
#hash_table #string #counting #enumeration
Telegraph
longest-balanced-substring-i
给你一个由小写英文字母组成的字符串 s。
leetcode.com 2026-02-12
🟡3713.longest-balanced-substring-i
🏷️ Tags
#hash_table #string #counting #enumeration
🟡3713.longest-balanced-substring-i
🏷️ Tags
#hash_table #string #counting #enumeration
Telegraph
longest-balanced-substring-i
You are given a string s consisting of lowercase English letters. A substring of s is called balanced if all distinct characters in the substring appear the same number of times. Return the length of the longest balanced substring of s. Example 1: Input:…
leetcode.cn 2026-02-25
🟢1356.sort-integers-by-the-number-of-1-bits
🏷️ Tags
#bit_manipulation #array #counting #sorting
🟢1356.sort-integers-by-the-number-of-1-bits
🏷️ Tags
#bit_manipulation #array #counting #sorting
Telegraph
sort-integers-by-the-number-of-1-bits
给你一个整数数组 arr 。请你将数组中的元素按照其二进制表示中数字 1 的数目升序排序。 如果存在多个数字二进制中 1 的数目相同,则必须将它们按照数值大小升序排列。 请你返回排序后的数组。 示例 1: 输入:arr = [0,1,2,3,4,5,6,7,8] 输出:[0,1,2,4,8,3,5,6,7] 解释:[0] 是唯一一个有 0 个 1 的数。 [1,2,4,8] 都有 1 个 1 。 [3,5,6] 有 2 个 1 。 [7] 有 3 个 1 。 按照 1 的个数排序得到的结果数组为 [0…
leetcode.com 2026-02-25
🟢1356.sort-integers-by-the-number-of-1-bits
🏷️ Tags
#bit_manipulation #array #counting #sorting
🟢1356.sort-integers-by-the-number-of-1-bits
🏷️ Tags
#bit_manipulation #array #counting #sorting
Telegraph
sort-integers-by-the-number-of-1-bits
You are given an integer array arr. Sort the integers in the array in ascending order by the number of 1's in their binary representation and in case of two or more integers have the same number of 1's you have to sort them in ascending order. Return the…