摘要:
A pupil Tim gets homework to identify whether three line segments could possibly form a triangle. However, this assignment is very heavy because there 阅读全文
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[LeetCode] 584. Find Customer Referee_Easy tag: SQL
2018-08-28 23:04 by Johnson_强生仔仔, 388 阅读, 收藏,
摘要:
Given a table customer holding customers information and the referee. + + + + | id | name | referee_id| + + + + | 1 | Will | NULL | | 2 | Jane | NULL 阅读全文
[LeetCode] 126. Word Ladder II_Hard tag: BFS&DFS
2019-05-26 05:33 by Johnson_强生仔仔, 386 阅读, 收藏,
摘要:
Given two words (beginWord and endWord), and a dictionary's word list, find all shortest transformation sequence(s) from beginWord to endWord, such th 阅读全文
[LeetCode] Backtracking Template for (Subsets, Permutations, and Combination Sum)
2018-06-18 03:44 by Johnson_强生仔仔, 386 阅读, 收藏,
摘要:
根据issac3 用Java总结了backtracking template, 我用他的方法改成了Python. 以下为template. 可以用来解决的问题有: Leetcode 78. Subsets , Leetcode 90. Subsets II, Leetcode 46. Permuta 阅读全文
[唱歌系统练习] 2. 呼吸
2019-12-16 08:18 by Johnson_强生仔仔, 378 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《呼吸》所做的笔记和总结。 演唱示范歌曲: 无 要点:未曾发声先练气。 1. 呼吸 -- 用的是腹式呼吸。特征: 吸气时胸不会鼓起来,不会耸肩,而是腹部往外顶。 2. 腹式呼吸的好处:能短时间快速吸口气,较好的控制,吸气快,动作小。 3. 吸气 阅读全文
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