bug睡的略爽

摘要： 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 preserve the 阅读全文

摘要： Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For 阅读全文

摘要： Write a function to find the longest common prefix string amongst an array of strings. 这题很简单，直接依次比较即可，代码如下： 1 class Solution { 2 public: 3 string long 阅读全文