166篇文章 · 93858字 · 2人關(guān)注
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LeetCode筆記：492. Construct the Rectangle
問題（Easy）： For a web developer, it is very important to know how to desig...
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LeetCode筆記：598. Range Addition II
問題（Easy）： Given an m * n matrix M initialized with all 0's and several u...
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LeetCode筆記：538. Convert BST to Greater Tree
問題（Easy）： Given a Binary Search Tree (BST), convert it to a Greater Tree...
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LeetCode筆記：717. 1-bit and 2-bit Characters
問題（Easy）： We have two special characters. The first character can be rep...
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LeetCode筆記：653. Two Sum IV - Input is a BST
問題（Easy）： Given a Binary Search Tree and a target number, return true if...
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LeetCode筆記：448. Find All Numbers Disappeared in an Array
問題（Easy）： Given an array of integers where 1 ≤ a[i] ≤ n (n = size of arr...
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LeetCode筆記：696. Count Binary Substrings
問題（Easy）： Give a string s, count the number of non-empty (contiguous) su...
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LeetCode筆記：520. Detect Capital
問題（Easy）： Given a word, you need to judge whether the usage of capitals ...
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LeetCode筆記：690. Employee Importance
問題（Easy）： You are given a data structure of employee information, which ...
