程序员的算法趣题 2-畅读网

　　　　

程序员的算法趣题 2

作者：增井敏克

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计算机网络 >> 软硬件开发

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内容简介:

在计算机技术发展日新月异的当下，“算法”是不变的重要基石。要想编写高效率的程序，就需要优化算法。无论开发工具如何进化，熟识并能灵活运用算法仍然是对程序员的基本要求。本书作者“寓教于题”，精心设计了70道算法趣题。所有问题都贴近生活和实际应用，兼具实用性和趣味性。读者在自行思考和解题后，可以对比查看作者分析的解题思路和关键点，阅读基于Ruby和JavaScript编程语言编写的源代码示例，从而掌握不同的算法实现思路和程序优化技巧。

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SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.001607s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 3 LIMIT 1 [ RunTime:0.003014s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.001808s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.004559s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.004635s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1750288206 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.545352s ]

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