[LeetCode刷題筆記] 652 – Find Duplicate Subtrees
題目描述: Given the root of a binary tree, return all dupli …
題目描述: Given the root of a binary tree, return all dupli …
題目描述: Determine if a 9 x 9 Sudoku board is valid. Only …
題目描述: Given an array of strings strs, group the anagram …
題目描述: Given an array of integers and an integer k, find …
題目描述: Given two arrays, write a function to compute the …
[LeetCode刷題筆記] 350 – Intersection of Two Arrays II Read More »
題目描述: Suppose Andy and Doris want to choose a restauran …
[LeetCode刷題筆記] 599 – Minimum Index Sum of Two Lists Read More »
題目描述: Given two strings s and t, determine if they are …
題目描述: Given an array of integers, return indices of the …
題目描述: Write an algorithm to determine if a number n is …
題目描述: Given two arrays, write a function to compute the …