leetcode.cn 2026-07-24
🟡3514.number-of-unique-xor-triplets-ii
🏷️ Tags
#bit_manipulation #array #math #enumeration
🟡3514.number-of-unique-xor-triplets-ii
🏷️ Tags
#bit_manipulation #array #math #enumeration
Telegraph
number-of-unique-xor-triplets-ii
给你一个整数数组 nums 。
leetcode.com 2026-07-24
🟡3514.number-of-unique-xor-triplets-ii
🏷️ Tags
#bit_manipulation #array #math #enumeration
🟡3514.number-of-unique-xor-triplets-ii
🏷️ Tags
#bit_manipulation #array #math #enumeration
Telegraph
number-of-unique-xor-triplets-ii
You are given an integer array nums. A XOR triplet is defined as the XOR of three elements nums[i] XOR nums[j] XOR nums[k] where i <= j <= k. Return the number of unique XOR triplet values from all possible triplets (i, j, k). Example 1: Input: nums = [1…
leetcode.cn 2026-08-27
🟡3720.lexicographically-smallest-permutation-greater-than-target
🏷️ Tags
#greedy #hash_table #string #counting #enumeration
🟡3720.lexicographically-smallest-permutation-greater-than-target
🏷️ Tags
#greedy #hash_table #string #counting #enumeration
Telegraph
lexicographically-smallest-permutation-greater-than-target
给你两个长度均为 n 且仅由小写英文字母组成的字符串 s 和 target。
leetcode.com 2026-08-27
🟡3720.lexicographically-smallest-permutation-greater-than-target
🏷️ Tags
#greedy #hash_table #string #counting #enumeration
🟡3720.lexicographically-smallest-permutation-greater-than-target
🏷️ Tags
#greedy #hash_table #string #counting #enumeration
Telegraph
lexicographically-smallest-permutation-greater-than-target
You are given two strings s and target, both having length n, consisting of lowercase English letters. Return the lexicographically smallest permutation of s that is strictly greater than target. If no permutation of s is lexicographically strictly greater…
leetcode.cn 2026-08-28
🔴3734.lexicographically-smallest-palindromic-permutation-greater-than-target
🏷️ Tags
#two_pointers #string #enumeration
🔴3734.lexicographically-smallest-palindromic-permutation-greater-than-target
🏷️ Tags
#two_pointers #string #enumeration
Telegraph
lexicographically-smallest-palindromic-permutation-greater-than-target
给你两个长度均为 n 的字符串 s 和目标字符串 target,它们都由小写英文字母组成。
leetcode.com 2026-08-28
🔴3734.lexicographically-smallest-palindromic-permutation-greater-than-target
🏷️ Tags
#two_pointers #string #enumeration
🔴3734.lexicographically-smallest-palindromic-permutation-greater-than-target
🏷️ Tags
#two_pointers #string #enumeration
Telegraph
lexicographically-smallest-palindromic-permutation-greater-than-target
You are given two strings s and target, each of length n, consisting of lowercase English letters. Return the lexicographically smallest string that is both a palindromic permutation of s and strictly greater than target. If no such permutation exists, return…
leetcode.cn 2026-09-11
🟢3483.unique-3-digit-even-numbers
🏷️ Tags
#recursion #array #hash_table #enumeration
🟢3483.unique-3-digit-even-numbers
🏷️ Tags
#recursion #array #hash_table #enumeration
Telegraph
unique-3-digit-even-numbers
给你一个数字数组 digits,你需要从中选择三个数字组成一个三位偶数,你的任务是求出 不同 三位偶数的数量。 注意:每个数字在三位偶数中都只能使用 一次 ,并且 不能 有前导零。 示例 1: 输入: digits = [1,2,3,4] 输出: 12 解释: 可以形成的 12 个不同的三位偶数是 124,132,134,142,214,234,312,314,324,342,412 和 432。注意,不能形成 222,因为数字 2 只有一个。 示例 2: 输入: digits = [0,2,2] 输出:…
leetcode.com 2026-09-11
🟢3483.unique-3-digit-even-numbers
🏷️ Tags
#recursion #array #hash_table #enumeration
🟢3483.unique-3-digit-even-numbers
🏷️ Tags
#recursion #array #hash_table #enumeration
Telegraph
unique-3-digit-even-numbers
You are given an array of digits called digits. Your task is to determine the number of distinct three-digit even numbers that can be formed using these digits. Note: Each copy of a digit can only be used once per number, and there may not be leading zeros.…