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题干如下：Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.Example 1:Input: 1->2->3->3->4->4->5Output: 1-...

LeetCode71 Simplify Path 简化路径题干如下Given an absolute path for a file (Unix-style), simplify it.For example,path = “/home/”, => “/home”path = “/a/./b/…/…/c/”, => “/c”path = “/a/