1. EPI-Array

    Date: 2020-03-26 Thu Category: LeetCode

    很久很久以前，有人刷题不做记录，从Array刷到Array，刷了几年还是在刷Array。

    这里记录一 …

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  2. LeetCode-Tree

    Date: 2020-02-29 Sat Category: LeetCode

    [TOC]

    通用数据结构定义

    /**
 * Definition for a binary tree node.
 * struct TreeNode {
 *     int val;
 *     TreeNode *left;
 *     TreeNode *right;
 *     TreeNode(int x) : val(x), left(NULL …
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