return [0, 1]. 笔记: Tips: 空间换时间,使用哈希表记录(number,index)以加速查找 Tricks: 一边循环一边建哈希表,进一步降低时间复杂度class Solution: def twoSum(self, nums, target): """ :type nums: List[int] :type target: int :rtype: List[int] """ hash_table = {} for i,num in enum...
LeetCode Summary(1 ~ 154) New Free Problems(155 ~ Latest) New Problems in Book(156 ~ 159, 161, 163, 167, 170, 186) Tips Other Classic Problems Each problem row has name, level, idea, code and frequency analysis. Frequency: derived from online resources and interview experience. ...
and your custom stuff. jsmpeg-player MPEG1 Video Player Based On JSMpeg. JavaScript30 有关@wesbos 的课程 JavaScript-30 的中文练习指南 h265player 一套完整的Web版H.265播放器解决方案,非常适合学习交流和实际应用。基于JS码流解封装、WebAssembly(FFmpeg)视频解码,利用Canvas画布投影、AudioContext播放音频。
print(get_from_hash_map("apple")) # Output: 1 print(get_from_hash_map("cherry")) # Output: None remove_from_hash_map("banana") print(get_from_hash_map("banana")) # Output: None Tips and Tricks for Solving Hashing: Use Default Dictionary:Thecollections.defaultdictin Python can be ...