leetcode.com 2025-05-08
🟡3342.find-minimum-time-to-reach-last-room-ii
🏷️ Tags
#graph #array #matrix #shortest_path #heap_priority_queue
🟡3342.find-minimum-time-to-reach-last-room-ii
🏷️ Tags
#graph #array #matrix #shortest_path #heap_priority_queue
Telegraph
find-minimum-time-to-reach-last-room-ii
There is a dungeon with n x m rooms arranged as a grid. You are given a 2D array moveTime of size n x m, where moveTime[i][j] represents the minimum time in seconds when you can start moving to that room. You start from the room (0, 0) at time t = 0 and can…
leetcode.cn 2025-05-09
🔴3343.count-number-of-balanced-permutations
🏷️ Tags
#math #string #dynamic_programming #combinatorics
🔴3343.count-number-of-balanced-permutations
🏷️ Tags
#math #string #dynamic_programming #combinatorics
Telegraph
count-number-of-balanced-permutations
给你一个字符串 num 。如果一个数字字符串的奇数位下标的数字之和与偶数位下标的数字之和相等,那么我们称这个数字字符串是 平衡的 。
leetcode.com 2025-05-09
🔴3343.count-number-of-balanced-permutations
🏷️ Tags
#math #string #dynamic_programming #combinatorics
🔴3343.count-number-of-balanced-permutations
🏷️ Tags
#math #string #dynamic_programming #combinatorics
Telegraph
count-number-of-balanced-permutations
You are given a string num. A string of digits is called balanced if the sum of the digits at even indices is equal to the sum of the digits at odd indices.
leetcode.cn 2025-05-10
🟡2918.minimum-equal-sum-of-two-arrays-after-replacing-zeros
🏷️ Tags
#greedy #array
🟡2918.minimum-equal-sum-of-two-arrays-after-replacing-zeros
🏷️ Tags
#greedy #array
Telegraph
minimum-equal-sum-of-two-arrays-after-replacing-zeros
给你两个由正整数和 0 组成的数组 nums1 和 nums2 。 你必须将两个数组中的 所有 0 替换为 严格 正整数,并且满足两个数组中所有元素的和 相等 。 返回 最小 相等和 ,如果无法使两数组相等,则返回 -1 。 示例 1: 输入:nums1 = [3,2,0,1,0], nums2 = [6,5,0] 输出:12 解释:可以按下述方式替换数组中的 0 : - 用 2 和 4 替换 nums1 中的两个 0 。得到 nums1 = [3,2,2,1,4] 。 - 用 1 替换 nums2…
leetcode.com 2025-05-10
🟡2918.minimum-equal-sum-of-two-arrays-after-replacing-zeros
🏷️ Tags
#greedy #array
🟡2918.minimum-equal-sum-of-two-arrays-after-replacing-zeros
🏷️ Tags
#greedy #array
Telegraph
minimum-equal-sum-of-two-arrays-after-replacing-zeros
You are given two arrays nums1 and nums2 consisting of positive integers. You have to replace all the 0's in both arrays with strictly positive integers such that the sum of elements of both arrays becomes equal. Return the minimum equal sum you can obtain…
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…