leetcode.cn 2025-07-14
🟢1290.convert-binary-number-in-a-linked-list-to-integer
🏷️ Tags
#linked_list #math
🟢1290.convert-binary-number-in-a-linked-list-to-integer
🏷️ Tags
#linked_list #math
Telegraph
convert-binary-number-in-a-linked-list-to-integer
给你一个单链表的引用结点 head。链表中每个结点的值不是 0 就是 1。已知此链表是一个整数数字的二进制表示形式。 请你返回该链表所表示数字的 十进制值 。 示例 1: 输入:head = [1,0,1] 输出:5 解释:二进制数 (101) 转化为十进制数 (5) 示例 2: 输入:head = [0] 输出:0 示例 3: 输入:head = [1] 输出:1 示例 4: 输入:head = [1,0,0,1,0,0,1,1,1,0,0,0,0,0,0] 输出:18880 示例 5: 输入:head…
leetcode.com 2025-07-14
🟢1290.convert-binary-number-in-a-linked-list-to-integer
🏷️ Tags
#linked_list #math
🟢1290.convert-binary-number-in-a-linked-list-to-integer
🏷️ Tags
#linked_list #math
Telegraph
convert-binary-number-in-a-linked-list-to-integer
Given head which is a reference node to a singly-linked list. The value of each node in the linked list is either 0 or 1. The linked list holds the binary representation of a number. Return the decimal value of the number in the linked list. The most significant…
leetcode.cn 2025-11-01
🟡3217.delete-nodes-from-linked-list-present-in-array
🏷️ Tags
#array #hash_table #linked_list
🟡3217.delete-nodes-from-linked-list-present-in-array
🏷️ Tags
#array #hash_table #linked_list
Telegraph
delete-nodes-from-linked-list-present-in-array
给你一个整数数组 nums 和一个链表的头节点 head。从链表中移除所有存在于 nums 中的节点后,返回修改后的链表的头节点。 示例 1: 输入: nums = [1,2,3], head = [1,2,3,4,5] 输出: [4,5] 解释: 移除数值为 1, 2 和 3 的节点。 示例 2: 输入: nums = [1], head = [1,2,1,2,1,2] 输出: [2,2,2] 解释: 移除数值为 1 的节点。 示例 3: 输入: nums = [5], head = [1,2,3…
leetcode.com 2025-11-01
🟡3217.delete-nodes-from-linked-list-present-in-array
🏷️ Tags
#array #hash_table #linked_list
🟡3217.delete-nodes-from-linked-list-present-in-array
🏷️ Tags
#array #hash_table #linked_list
Telegraph
delete-nodes-from-linked-list-present-in-array
You are given an array of integers nums and the head of a linked list. Return the head of the modified linked list after removing all nodes from the linked list that have a value that exists in nums. Example 1: Input: nums = [1,2,3], head = [1,2,3,4,5]…
leetcode.cn 2026-01-22
🟢3507.minimum-pair-removal-to-sort-array-i
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
🟢3507.minimum-pair-removal-to-sort-array-i
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
Telegraph
minimum-pair-removal-to-sort-array-i
给你一个数组 nums,你可以执行以下操作任意次数:
leetcode.com 2026-01-22
🟢3507.minimum-pair-removal-to-sort-array-i
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
🟢3507.minimum-pair-removal-to-sort-array-i
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
Telegraph
minimum-pair-removal-to-sort-array-i
Given an array nums, you can perform the following operation any number of times:
leetcode.cn 2026-01-23
🔴3510.minimum-pair-removal-to-sort-array-ii
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
🔴3510.minimum-pair-removal-to-sort-array-ii
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
Telegraph
minimum-pair-removal-to-sort-array-ii
给你一个数组 nums,你可以执行以下操作任意次数:
leetcode.com 2026-01-23
🔴3510.minimum-pair-removal-to-sort-array-ii
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
🔴3510.minimum-pair-removal-to-sort-array-ii
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
Telegraph
minimum-pair-removal-to-sort-array-ii
Given an array nums, you can perform the following operation any number of times:
leetcode.cn 2026-06-14
🟡2130.maximum-twin-sum-of-a-linked-list
🏷️ Tags
#stack #linked_list #two_pointers
🟡2130.maximum-twin-sum-of-a-linked-list
🏷️ Tags
#stack #linked_list #two_pointers
Telegraph
maximum-twin-sum-of-a-linked-list
在一个大小为 n 且 n 为 偶数 的链表中,对于 0 <= i <= (n / 2) - 1 的 i ,第 i 个节点(下标从 0 开始)的孪生节点为第 (n-1-i) 个节点 。
leetcode.com 2026-06-14
🟡2130.maximum-twin-sum-of-a-linked-list
🏷️ Tags
#stack #linked_list #two_pointers
🟡2130.maximum-twin-sum-of-a-linked-list
🏷️ Tags
#stack #linked_list #two_pointers
Telegraph
maximum-twin-sum-of-a-linked-list
In a linked list of size n, where n is even, the ith node (0-indexed) of the linked list is known as the twin of the (n-1-i)th node, if 0 <= i <= (n / 2) - 1.
leetcode.cn 2026-06-15
🟡2095.delete-the-middle-node-of-a-linked-list
🏷️ Tags
#linked_list #two_pointers
🟡2095.delete-the-middle-node-of-a-linked-list
🏷️ Tags
#linked_list #two_pointers
Telegraph
delete-the-middle-node-of-a-linked-list
给你一个链表的头节点 head 。删除 链表的 中间节点 ,并返回修改后的链表的头节点 head 。 长度为 n 链表的中间节点是从头数起第 ⌊n / 2⌋ 个节点(下标从 0 开始),其中 ⌊x⌋ 表示小于或等于 x 的最大整数。
leetcode.com 2026-06-15
🟡2095.delete-the-middle-node-of-a-linked-list
🏷️ Tags
#linked_list #two_pointers
🟡2095.delete-the-middle-node-of-a-linked-list
🏷️ Tags
#linked_list #two_pointers
Telegraph
delete-the-middle-node-of-a-linked-list
You are given the head of a linked list. Delete the middle node, and return the head of the modified linked list. The middle node of a linked list of size n is the ⌊n / 2⌋th node from the start using 0-based indexing, where ⌊x⌋ denotes the largest integer…