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 2025-12-05
🟢3432.count-partitions-with-even-sum-difference
🏷️ Tags
#array #math #prefix_sum
🟢3432.count-partitions-with-even-sum-difference
🏷️ Tags
#array #math #prefix_sum
Telegraph
count-partitions-with-even-sum-difference
给你一个长度为 n 的整数数组 nums 。 分区 是指将数组按照下标 i (0 <= i < n - 1)划分成两个 非空 子数组,其中:
leetcode.com 2025-12-05
🟢3432.count-partitions-with-even-sum-difference
🏷️ Tags
#array #math #prefix_sum
🟢3432.count-partitions-with-even-sum-difference
🏷️ Tags
#array #math #prefix_sum
Telegraph
count-partitions-with-even-sum-difference
You are given an integer array nums of length n. A partition is defined as an index i where 0 <= i < n - 1, splitting the array into two non-empty subarrays such that:
leetcode.cn 2025-12-10
🟡3577.count-the-number-of-computer-unlocking-permutations
🏷️ Tags
#brainteaser #array #math #combinatorics
🟡3577.count-the-number-of-computer-unlocking-permutations
🏷️ Tags
#brainteaser #array #math #combinatorics
Telegraph
count-the-number-of-computer-unlocking-permutations
给你一个长度为 n 的数组 complexity。 在房间里有 n 台 上锁的 计算机,这些计算机的编号为 0 到 n - 1,每台计算机都有一个 唯一 的密码。编号为 i 的计算机的密码复杂度为 complexity[i]。 编号为 0 的计算机密码已经 解锁 ,并作为根节点。其他所有计算机必须通过它或其他已经解锁的计算机来解锁,具体规则如下:
leetcode.com 2025-12-10
🟡3577.count-the-number-of-computer-unlocking-permutations
🏷️ Tags
#brainteaser #array #math #combinatorics
🟡3577.count-the-number-of-computer-unlocking-permutations
🏷️ Tags
#brainteaser #array #math #combinatorics
Telegraph
count-the-number-of-computer-unlocking-permutations
You are given an array complexity of length n. There are n locked computers in a room with labels from 0 to n - 1, each with its own unique password. The password of the computer i has a complexity complexity[i]. The password for the computer labeled 0 is…