摘要：
Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacen 阅读全文
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[LeetCode] 490. The Maze_Medium tag: BFS/DFS
2018-08-08 04:34 by Johnson_强生仔仔, 373 阅读, 收藏,
摘要：
There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, left or right, but it won't stop roll 阅读全文
[唱歌系统练习] 5. 稳定发声
2020-01-06 06:18 by Johnson_强生仔仔, 365 阅读, 收藏,
摘要：
以下是我在喜马拉雅大宝哥里面听的专辑流行演唱-微课堂中的《稳定发声》所做的笔记和总结。 演唱示范歌曲： 1. 《心如刀割》 - 张学友 （主歌部分） 2. 《我要你》 - 张杰 （翻唱） 要点：针对气息不稳定，尤其是尾音不稳定的练习。 练习： 1. 真声长发音练习 goal： 气息稳定性呼出 （建议 阅读全文
[LeetCode] questions conclustion_Path in Tree
2018-07-18 00:29 by Johnson_强生仔仔, 360 阅读, 收藏,
摘要：
Path in Tree: [LeetCode] 112. Path Sum_Easy tag: DFS input: root, target, return True if exists sum(root-> leaf) == target else False 1 [LeetCode] 257 阅读全文
[LeetCode] 884. Uncommon Words from Two Sentences_Easy tag: Hash Table
2018-08-19 04:54 by Johnson_强生仔仔, 357 阅读, 收藏,
摘要：
We are given two sentences A and B. (A sentence is a string of space separated words. Each word consists only of lowercase letters.) A word is uncommo 阅读全文
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