Alan Zhan 部落格

Live for nothing, or die for something

白話解 Leetcode - 433 Minimum Genetic Mutation

433. Minimum Genetic Mutation https://leetcode.com/problems/minimum-genetic-mutation/ MediumA gene string can be represented by an 8-character long string, with choices from 'A', 'C', 'G', and 'T'. …

Posted by Alan Zhan on Tuesday, June 28, 2022

白話解 Leetcode - 200 Number of Islands

200. Number of Islands https://leetcode.com/problems/number-of-islands/ MediumGiven an m x n 2D binary grid grid which represents a map of '1's (land) and '0's (water), return the number of islands. …

Posted by Alan Zhan on Thursday, June 23, 2022

白話解 Leetcode - 78 Subsets

78. Subsets https://leetcode.com/problems/subsets/ MediumGiven an integer array nums of unique elements, return all possible subsets (the power set). The solution set must not contain duplicate …

Posted by Alan Zhan on Monday, June 20, 2022