Given theheadof a linked list and two integersmandn. Traverse the linked list and remove some nodesin the following way: Start with the head as the current node. Keep the firstmnodes starting with the ...
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Given the head of a linked list, we repeatedly delete consecutive sequences of nodes that sum to 0 until there are no such sequences. After doing so ...
題目如下： Given the root of a binary tree, each node in the tree has a distinct value. After deleting all nodes with a value in to_delete, we ...
原題鏈接在這里：https://leetcode.com/problems/delete-nodes-and-return-forest/ 題目： Given the root of a binary tree, each node in the tree has a distinct ...
Given the head of a linked list, we repeatedly delete consecutive sequences of nodes that sum to 0 until there are no such sequences. After doing ...
Given a linked list, swap every two adjacent nodes and return its head. For example,Given 1->2->3->4, you should return the list as 2-> ...
Given a linked list and two values v1 and v2. Swap the two nodes in the linked list with values v1 and v2. It's guaranteed there is no duplicate ...
Count Complete Tree Nodes Given a complete binary tree, count the number of nodes. In a complete binary tree every level, except possibly the last ...
原題地址：http://oj.leetcode.com/problems/swap-nodes-in-pairs/ 題意：將鏈表中的節點兩兩交換。Given 1->2->3->4, you should return the list as 2->1->4-> ...
