update content

Author: labuladong

数据结构系列/二叉树总结.md

@@ -990,6 +990,7 @@ class Solution {
 | [1469. Find All The Lonely Nodes](https://leetcode.com/problems/find-all-the-lonely-nodes/?show=1)🔒 | [1469. 寻找所有的独生节点](https://leetcode.cn/problems/find-all-the-lonely-nodes/?show=1)🔒 |
 | [1485. Clone Binary Tree With Random Pointer](https://leetcode.com/problems/clone-binary-tree-with-random-pointer/?show=1)🔒 | [1485. 克隆含随机指针的二叉树](https://leetcode.cn/problems/clone-binary-tree-with-random-pointer/?show=1)🔒 |
 | [1490. Clone N-ary Tree](https://leetcode.com/problems/clone-n-ary-tree/?show=1)🔒 | [1490. 克隆 N 叉树](https://leetcode.cn/problems/clone-n-ary-tree/?show=1)🔒 |
+| [1593. Split a String Into the Max Number of Unique Substrings](https://leetcode.com/problems/split-a-string-into-the-max-number-of-unique-substrings/?show=1) | [1593. 拆分字符串使唯一子字符串的数目最大](https://leetcode.cn/problems/split-a-string-into-the-max-number-of-unique-substrings/?show=1) |
 | [1602. Find Nearest Right Node in Binary Tree](https://leetcode.com/problems/find-nearest-right-node-in-binary-tree/?show=1)🔒 | [1602. 找到二叉树中最近的右侧节点](https://leetcode.cn/problems/find-nearest-right-node-in-binary-tree/?show=1)🔒 |
 | [1612. Check If Two Expression Trees are Equivalent](https://leetcode.com/problems/check-if-two-expression-trees-are-equivalent/?show=1)🔒 | [1612. 检查两棵二叉表达式树是否等价](https://leetcode.cn/problems/check-if-two-expression-trees-are-equivalent/?show=1)🔒 |
 | [1740. Find Distance in a Binary Tree](https://leetcode.com/problems/find-distance-in-a-binary-tree/?show=1)🔒 | [1740. 找到二叉树中的距离](https://leetcode.cn/problems/find-distance-in-a-binary-tree/?show=1)🔒 |

算法思维系列/回溯算法详解修订版.md

@@ -459,6 +459,7 @@ def backtrack(...):
 | [113. Path Sum II](https://leetcode.com/problems/path-sum-ii/?show=1) | [113. 路径总和 II](https://leetcode.cn/problems/path-sum-ii/?show=1) |
 | [131. Palindrome Partitioning](https://leetcode.com/problems/palindrome-partitioning/?show=1) | [131. 分割回文串](https://leetcode.cn/problems/palindrome-partitioning/?show=1) |
 | [140. Word Break II](https://leetcode.com/problems/word-break-ii/?show=1) | [140. 单词拆分 II](https://leetcode.cn/problems/word-break-ii/?show=1) |
+| [1593. Split a String Into the Max Number of Unique Substrings](https://leetcode.com/problems/split-a-string-into-the-max-number-of-unique-substrings/?show=1) | [1593. 拆分字符串使唯一子字符串的数目最大](https://leetcode.cn/problems/split-a-string-into-the-max-number-of-unique-substrings/?show=1) |
 | [17. Letter Combinations of a Phone Number](https://leetcode.com/problems/letter-combinations-of-a-phone-number/?show=1) | [17. 电话号码的字母组合](https://leetcode.cn/problems/letter-combinations-of-a-phone-number/?show=1) |
 | [22. Generate Parentheses](https://leetcode.com/problems/generate-parentheses/?show=1) | [22. 括号生成](https://leetcode.cn/problems/generate-parentheses/?show=1) |
 | [301. Remove Invalid Parentheses](https://leetcode.com/problems/remove-invalid-parentheses/?show=1) | [301. 删除无效的括号](https://leetcode.cn/problems/remove-invalid-parentheses/?show=1) |