Partition List leetcode java
題目： Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should ...
原文：Leetcode: Partition List
思路: . 空間復雜度為 o n 解法. 創建兩個鏈表, 分別記錄大於 x 和小於 x 的節點, 最后合並 . o 的空間復雜度解法. 四個指針, 分別指向小於 x 部分鏈表的頭, 尾, 指向大於 x 部分鏈表的頭, 尾 總結: . 使用 dummyNode 減少判斷 代碼: class Solution public: ListNode partition ListNode head, int ...
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