chapter_introduction/algorithms_are_everywhere/ #87
Replies: 146 comments 40 replies
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原来查字典就是用二分查找,之前一直没注意到 |
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积木的例子很好的帮助记忆哎 |
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CS 50 里面也是用的字典做的二分法的例子。那个老师真的就把一本书撕掉了。lol |
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一个小建议:把积木的例子换成做菜,各种不同的食材就是不同的数据结构,而算法其实就是做菜的蒸、煮、烹、炸…处理步骤。类比积木好像有点单一。 |
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你们真的好厉害,很支持 |
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我开始学了,希望能在今年看完这本书 |
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k神!原来我小学就会 |
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能问下,文中比如代码块上边的不同tap这种是怎么做的呢 |
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感谢作者,很有帮助. 有个建议, 评论的输入框放到评论区的顶部可能会好一点 |
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这几个生活中的例子好形象,对小白很友好。 |
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用的例子生动形象,真赞 |
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“贪心”算法,真的贪,哈哈 |
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原来这个就是贪心算法 |
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有趣!原来我们的行为,背后都有着深深的原因 |
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生活問題以算法思考列出步驟,再轉化成程式碼,實踐處理任務 |
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我算是一个curd程序员。在日常工作编程中,从没用算法解决过问题。所以有个疑问,是否我们使用的高级编程语言,例如C#这种语言。是他们已经将算法应用到语言框架的各个API中了,还是我们工作解决的问题太简单还没需要到使用算法的程度。希望有经验的大佬能理解我的问题,并解答。谢谢!!! |
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之前对“贪心算法”一直很懵,看了这个例子有点悟了 |
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贪心算法不一定可以找到全局最优解,比如面额为1,3,4的找零问题,当要找6元零钱时,按照贪心算法得到的是4+1+1,有三张,而显然最优解应该是3+3,只需要两种。但在现实的货币系统中,大面额货币值总是小面额货币值的整数倍,相当于添加了约束,此时贪心算法总是可以找到最优解的。 |
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chapter_introduction/algorithms_are_everywhere/
动画图解、一键运行的数据结构与算法教程
https://www.hello-algo.com/chapter_introduction/algorithms_are_everywhere/
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