General Tree DFS Timestamp¶ Table of Contents¶ 2322. Minimum Score After Removals on a Tree (Hard) 3327. Check if DFS Strings Are Palindromes (Hard) 2322. Minimum Score After Removals on a Tree¶ LeetCode | 力扣 Tags: Array, Bit Manipulation, Tree, Depth First Search 3327. Check if DFS Strings Are Palindromes¶ LeetCode | 力扣 Tags: Array, Hash Table, String, Tree, Depth First Search, Hash Function