leetcode.cn 2025-05-12
🟢2094.finding-3-digit-even-numbers
🏷️ Tags
#array #hash_table #enumeration #sorting
🟢2094.finding-3-digit-even-numbers
🏷️ Tags
#array #hash_table #enumeration #sorting
Telegraph
finding-3-digit-even-numbers
给你一个整数数组 digits ,其中每个元素是一个数字(0 - 9)。数组中可能存在重复元素。 你需要找出 所有 满足下述条件且 互不相同 的整数:
👍1
leetcode.com 2025-05-12
🟢2094.finding-3-digit-even-numbers
🏷️ Tags
#array #hash_table #enumeration #sorting
🟢2094.finding-3-digit-even-numbers
🏷️ Tags
#array #hash_table #enumeration #sorting
Telegraph
finding-3-digit-even-numbers
You are given an integer array digits, where each element is a digit. The array may contain duplicates. You need to find all the unique integers that follow the given requirements:
leetcode.cn 2025-05-13
🟡3335.total-characters-in-string-after-transformations-i
🏷️ Tags
#hash_table #math #string #dynamic_programming #counting
🟡3335.total-characters-in-string-after-transformations-i
🏷️ Tags
#hash_table #math #string #dynamic_programming #counting
Telegraph
total-characters-in-string-after-transformations-i
给你一个字符串 s 和一个整数 t,表示要执行的 转换 次数。每次 转换 需要根据以下规则替换字符串 s 中的每个字符:
leetcode.com 2025-05-13
🟡3335.total-characters-in-string-after-transformations-i
🏷️ Tags
#hash_table #math #string #dynamic_programming #counting
🟡3335.total-characters-in-string-after-transformations-i
🏷️ Tags
#hash_table #math #string #dynamic_programming #counting
Telegraph
total-characters-in-string-after-transformations-i
You are given a string s and an integer t, representing the number of transformations to perform. In one transformation, every character in s is replaced according to the following rules:
👍1
leetcode.cn 2025-05-14
🔴3337.total-characters-in-string-after-transformations-ii
🏷️ Tags
#hash_table #math #string #dynamic_programming #counting
🔴3337.total-characters-in-string-after-transformations-ii
🏷️ Tags
#hash_table #math #string #dynamic_programming #counting
Telegraph
total-characters-in-string-after-transformations-ii
给你一个由小写英文字母组成的字符串 s,一个整数 t 表示要执行的 转换 次数,以及一个长度为 26 的数组 nums。每次 转换 需要根据以下规则替换字符串 s 中的每个字符:
leetcode.com 2025-05-14
🔴3337.total-characters-in-string-after-transformations-ii
🏷️ Tags
#hash_table #math #string #dynamic_programming #counting
🔴3337.total-characters-in-string-after-transformations-ii
🏷️ Tags
#hash_table #math #string #dynamic_programming #counting
Telegraph
total-characters-in-string-after-transformations-ii
You are given a string s consisting of lowercase English letters, an integer t representing the number of transformations to perform, and an array nums of size 26. In one transformation, every character in s is replaced according to the following rules:
leetcode.cn 2025-05-15
🟢2900.longest-unequal-adjacent-groups-subsequence-i
🏷️ Tags
#greedy #array #string #dynamic_programming
🟢2900.longest-unequal-adjacent-groups-subsequence-i
🏷️ Tags
#greedy #array #string #dynamic_programming
Telegraph
longest-unequal-adjacent-groups-subsequence-i
给你一个下标从 0 开始的字符串数组 words ,和一个下标从 0 开始的 二进制 数组 groups ,两个数组长度都是 n 。 你需要从 words 中选出 最长子序列。如果对于序列中的任何两个连续串,二进制数组 groups 中它们的对应元素不同,则 words 的子序列是不同的。 正式来说,你需要从下标 [0, 1, ..., n - 1] 中选出一个 最长子序列 ,将这个子序列记作长度为 k 的 [i0, i1, ..., ik - 1] ,对于所有满足 0 <= j < k - 1 的 j 都有 groups[ij]…
leetcode.com 2025-05-15
🟢2900.longest-unequal-adjacent-groups-subsequence-i
🏷️ Tags
#greedy #array #string #dynamic_programming
🟢2900.longest-unequal-adjacent-groups-subsequence-i
🏷️ Tags
#greedy #array #string #dynamic_programming
Telegraph
longest-unequal-adjacent-groups-subsequence-i
You are given a string array words and a binary array groups both of length n, where words[i] is associated with groups[i]. Your task is to select the longest alternating subsequence from words. A subsequence of words is alternating if for any two consecutive…
leetcode.cn 2025-05-16
🟡2901.longest-unequal-adjacent-groups-subsequence-ii
🏷️ Tags
#array #string #dynamic_programming
🟡2901.longest-unequal-adjacent-groups-subsequence-ii
🏷️ Tags
#array #string #dynamic_programming
Telegraph
longest-unequal-adjacent-groups-subsequence-ii
给你一个整数 n 和一个下标从 0 开始的字符串数组 words ,和一个下标从 0 开始的数组 groups ,两个数组长度都是 n 。 两个长度相等字符串的 汉明距离 定义为对应位置字符 不同 的数目。 你需要从下标 [0, 1, ..., n - 1] 中选出一个 最长子序列 ,将这个子序列记作长度为 k 的 [i0, i1, ..., ik - 1] ,它需要满足以下条件:
leetcode.com 2025-05-16
🟡2901.longest-unequal-adjacent-groups-subsequence-ii
🏷️ Tags
#array #string #dynamic_programming
🟡2901.longest-unequal-adjacent-groups-subsequence-ii
🏷️ Tags
#array #string #dynamic_programming
Telegraph
longest-unequal-adjacent-groups-subsequence-ii
You are given a string array words, and an array groups, both arrays having length n. The hamming distance between two strings of equal length is the number of positions at which the corresponding characters are different. You need to select the longest subsequence…