| [525. 连续数组](https://leetcode-cn.com/problems/contiguous-array/) | [题解](https://github.com//skypesky/leetcode-for-javascript/blob/master/525.%20%E8%BF%9E%E7%BB%AD%E6%95%B0%E7%BB%84.md) | 哈希表 | |

| [530. 二叉搜索树的最小绝对差](https://leetcode-cn.com/problems/minimum-absolute-difference-in-bst/) | [题解](https://github.com//skypesky/leetcode-for-javascript/blob/master/530.%20%E4%BA%8C%E5%8F%89%E6%90%9C%E7%B4%A2%E6%A0%91%E7%9A%84%E6%9C%80%E5%B0%8F%E7%BB%9D%E5%AF%B9%E5%B7%AE.md) | 递归 | successfully! |

| [535. TinyURL 的加密与解密](https://leetcode-cn.com/problems/encode-and-decode-tinyurl/) | [题解](https://github.com/skypesky/leetcode-for-javascript/blob/master/535.%20TinyURL%20%E7%9A%84%E5%8A%A0%E5%AF%86%E4%B8%8E%E8%A7%A3%E5%AF%86.md) | 哈希表 | |

| [554. 砖墙](https://leetcode-cn.com/problems/brick-wall/) | [题解](https://github.com//skypesky/leetcode-for-javascript/blob/master/554.%20%E7%A0%96%E5%A2%99.md) | 哈希表 | |

| [557. 反转字符串中的单词](https://leetcode-cn.com/problems/reverse-words-in-a-string-iii/) | [题解](https://github.com/skypesky/leetcode-for-javascript/blob/master/557.%20%E5%8F%8D%E8%BD%AC%E5%AD%97%E7%AC%A6%E4%B8%B2%E4%B8%AD%E7%9A%84%E5%8D%95%E8%AF%8D%20III.md) | 字符串,原地修改 | |

| [560. 和为K的子数组](https://leetcode-cn.com/problems/subarray-sum-equals-k/) | [题解](https://github.com//skypesky/leetcode-for-javascript/blob/master/560.%20%E5%92%8C%E4%B8%BAK%E7%9A%84%E5%AD%90%E6%95%B0%E7%BB%84.md) | | successfully!前缀和+哈希表运用不够熟练,待二刷! |