• 致力于为学生提供留学定制方案
  • 针对学员的学习量身打造合适的教学方案
  • 课程采用一对一和一对三个性化辅导为主

400-663-3380

上海进藤USACO竞赛培训全解:算法思维锻造与留学背景强化路径

上海进藤USACO竞赛培训全解:算法思维锻造与留学背景强化路径

授课机构: 上海进藤教育培训

上课地点: 校区地址

成交/评价:

联系电话: 400-663-3380

上海进藤USACO竞赛培训全解:算法思维锻造与留学背景强化路径课程详情

USACO竞赛的核心价值与培训必要性

USACO(美国计算机奥林匹克竞赛)作为全球范围内影响力的中学生信息学赛事之一,其独特性在于不仅考察选手的编程能力,更注重算法设计与问题解决思维的综合运用。与常规编程课程不同,USACO要求参赛者在限定时间内完成高复杂度算法的编写与调试,这种实战场景对逻辑思维、代码效率和抗压能力提出了更高要求。

对于国内中学生而言,参与USACO的意义不仅在于竞赛本身。其一,赛事成绩是申请美国高校(如MIT、斯坦福等)计算机相关专业的重要背书,尤其Platinum(白金组)高分成绩被视为“编程能力的硬通货”;其二,备赛过程中系统学习的算法知识(如动态规划、图论、数论等)能直接反哺国内信息学奥赛(NOI/NOIP),形成“以赛促学”的良性循环;其三,通过与全球选手的同台竞技,可快速定位自身编程水平,拓宽技术视野。

上海进藤USACO培训的课程体系设计

上海进藤教育针对USACO赛事特点,构建了“分级进阶+项目实战”的课程体系,覆盖Bronze(青铜)到Platinum(白金)四个组别,每个阶段设置明确的能力目标与知识模块:

青铜组(Bronze):编程基础夯实

面向零基础或初级编程学习者,重点掌握Python/C++基础语法、简单数据结构(数组、字符串、循环)及基础算法(排序、贪心)。通过USACO官方题库中的经典题目(如“挤奶顺序”“方块游戏”)进行针对性训练,确保学员能独立完成2-3小时内的简单问题求解。

银组(Silver):算法思维跃升

针对已掌握基础编程的学员,重点突破搜索算法(DFS/BFS)、二维前缀和、并查集等核心技术。课程引入USACO银组典型题目(如“牛的旅行”“篱笆回路”),强调时间复杂度分析与优化策略,帮助学员建立“高效算法优先”的解题思维。

金组(Gold):高阶算法应用

面向目标冲击金组及以上的学员,聚焦动态规划(状态设计、转移优化)、图论(最短路径、最小生成树)、数论(模运算、欧拉函数)等高级内容。课程结合USACO金组真题(如“购票”“负载平衡”),通过小组协作解题、代码互审等形式,提升复杂问题拆解与多算法融合能力。

白金组(Platinum):竞赛实战突破

针对已具备金组实力的学员,重点攻克高级数据结构(线段树、树状数组、平衡树)、计算几何、字符串算法(KMP、后缀数组)等前沿技术。课程模拟USACO正式比赛环境,通过限时训练、错题复盘、策略调整等环节,帮助学员适应高强度竞赛节奏,冲击白金组高分。

全周期教学服务:从注册到备赛的全程护航

上海进藤教育深知竞赛培训的关键不仅在于课程内容,更在于服务细节的把控。为此,团队设计了覆盖“赛前-课中-课后”的全流程服务体系:

赛前准备:解决参赛“步”难题

许多学员因不熟悉USACO注册流程而错失参赛机会。进藤教育班主任会在开课前1周为每位学员单独指导,协助完成USACO官网账号注册、比赛报名及题库权限申请,确保学员能时间接触官方资源。同时,提供《USACO参赛指南》电子手册,涵盖赛事时间节点、评分规则、常见问题解答等实用信息。

课中管理:保障学习效率与参与度

每节课前48小时,班主任会在专属家长群内同步课程大纲、预习资料及设备调试提醒;开课前30分钟发送上课链接与注意事项,确保学员准时进入课堂。课堂中,主讲教师采用“讲解-示范-练习”三段式教学,实时关注学员代码编写进度,通过连麦答疑、弹幕互动解决即时问题;助教同步记录学员出席情况,对迟到/早退学员课后进行学习进度追踪。

针对因特殊原因请假的学员,课程全程录制并上传至内部学习平台,学员可在7天内随时回看,同时班主任会整理本节课重点笔记发送至学员,确保学习连续性。

课后巩固:知识内化与能力提升

每节课后,学员需在24小时内提交课堂练习代码,主讲教师会逐行批注,指出逻辑漏洞、代码冗余等问题,并给出优化建议。此外,班级群内每日推送1道USACO经典题目(难度匹配当前学习阶段),由助教带领进行“晨读解题”:学员上午提交思路,下午公布标准答案,晚上进行集中答疑,形成“输入-输出-反馈”的学习闭环。

对于备考关键阶段(如赛前1个月),团队会组织模拟赛,完全复刻USACO比赛规则(3小时限时、禁止外部资料),赛后进行成绩分析与策略指导,帮助学员调整答题节奏与时间分配。

哪些学生适合选择进藤USACO培训?

USACO培训并非“全民适用”,但以下几类学生往往能通过系统学习获得显著提升:

  • 目标参与国内信息学竞赛的中学生:USACO与NOI/NOIP在算法考察上高度重合(如动态规划、图论),通过USACO训练可快速提升编程实战能力,为国内赛事积累经验。
  • 计划留学(尤其是美国)的理科生:USACO成绩是招生官评估计算机能力的重要指标,白金组高分能显著提升斯坦福、MIT等院校的录取竞争力。
  • 对算法编程有浓厚兴趣的爱好者:USACO题库包含大量趣味性题目(如“奶牛交通”“跳房子游戏”),能激发学习热情,在挑战中深化技术理解。
  • 需要突破编程学习瓶颈的学生:许多学员在掌握基础语法后陷入“能写简单代码但无法解决复杂问题”的困境,USACO培训通过高阶算法学习与实战训练,能有效打破这一壁垒。

选择进藤USACO培训的核心优势

区别于市面上泛泛的编程培训,上海进藤教育的USACO课程始终围绕“竞赛结果”与“能力提升”双目标设计:一方面,通过分级教学、真题训练确保学员能在对应组别取得理想成绩;另一方面,注重算法思维与代码规范的培养,让学员不仅“能解题”,更“会解题”“精解题”。

从历年学员反馈来看,85%以上的学员在完成一个阶段课程后能实现组别看提升(如青铜升银组、银组升金组),其中20%的白金组学员最终获得Top 10%的优异成绩。这些数据不仅验证了课程体系的科学性,更体现了进藤教育在USACO培训领域的专业性。

上海进藤教育培训

上海进藤教育培训
认证 7 年

成立: 2006年

认证 地址认证 教学保障 在线预约 到店体验 售后支持
基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-04-04 13:51:56 HTTP/1.1 GET : http://www.edudw.com/s/6257/c/87264.html
  2. 运行时间 : 0.060528s [ 吞吐率:16.52req/s ] 内存消耗:394.34kb 文件加载:136
  3. 缓存信息 : 0 reads,0 writes
  1. /data/web/baijiao_branch_collect/public/index.php ( 0.79 KB )
  2. /data/web/baijiao_branch_collect/vendor/autoload.php ( 0.75 KB )
  3. /data/web/baijiao_branch_collect/vendor/composer/autoload_real.php ( 1.63 KB )
  4. /data/web/baijiao_branch_collect/vendor/composer/platform_check.php ( 0.90 KB )
  5. /data/web/baijiao_branch_collect/vendor/composer/ClassLoader.php ( 15.99 KB )
  6. /data/web/baijiao_branch_collect/vendor/composer/autoload_static.php ( 4.26 KB )
  7. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper.php ( 8.34 KB )
  8. /data/web/baijiao_branch_collect/vendor/topthink/think-validate/src/helper.php ( 2.19 KB )
  9. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/helper.php ( 1.47 KB )
  10. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/stubs/load_stubs.php ( 0.16 KB )
  11. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Exception.php ( 1.69 KB )
  12. /data/web/baijiao_branch_collect/vendor/topthink/think-container/src/Facade.php ( 2.71 KB )
  13. /data/web/baijiao_branch_collect/vendor/symfony/deprecation-contracts/function.php ( 0.99 KB )
  14. /data/web/baijiao_branch_collect/vendor/symfony/polyfill-mbstring/bootstrap.php ( 8.26 KB )
  15. /data/web/baijiao_branch_collect/vendor/symfony/polyfill-mbstring/bootstrap80.php ( 9.78 KB )
  16. /data/web/baijiao_branch_collect/vendor/symfony/var-dumper/Resources/functions/dump.php ( 1.49 KB )
  17. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/App.php ( 15.30 KB )
  18. /data/web/baijiao_branch_collect/vendor/topthink/think-container/src/Container.php ( 15.76 KB )
  19. /data/web/baijiao_branch_collect/vendor/psr/container/src/ContainerInterface.php ( 1.02 KB )
  20. /data/web/baijiao_branch_collect/app/provider.php ( 0.19 KB )
  21. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Http.php ( 6.04 KB )
  22. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper/Str.php ( 7.29 KB )
  23. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Env.php ( 4.68 KB )
  24. /data/web/baijiao_branch_collect/app/common.php ( 10.83 KB )
  25. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/helper.php ( 18.78 KB )
  26. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Config.php ( 5.54 KB )
  27. /data/web/baijiao_branch_collect/config/app.php ( 1.29 KB )
  28. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Env.php ( 1.67 KB )
  29. /data/web/baijiao_branch_collect/config/cache.php ( 1.22 KB )
  30. /data/web/baijiao_branch_collect/config/config.php ( 0.26 KB )
  31. /data/web/baijiao_branch_collect/config/console.php ( 0.29 KB )
  32. /data/web/baijiao_branch_collect/config/cookie.php ( 0.56 KB )
  33. /data/web/baijiao_branch_collect/config/database.php ( 2.29 KB )
  34. /data/web/baijiao_branch_collect/config/filesystem.php ( 0.63 KB )
  35. /data/web/baijiao_branch_collect/config/lang.php ( 0.81 KB )
  36. /data/web/baijiao_branch_collect/config/log.php ( 1.37 KB )
  37. /data/web/baijiao_branch_collect/config/middleware.php ( 0.19 KB )
  38. /data/web/baijiao_branch_collect/config/route.php ( 1.54 KB )
  39. /data/web/baijiao_branch_collect/config/session.php ( 0.57 KB )
  40. /data/web/baijiao_branch_collect/config/trace.php ( 0.34 KB )
  41. /data/web/baijiao_branch_collect/config/view.php ( 0.81 KB )
  42. /data/web/baijiao_branch_collect/app/event.php ( 0.25 KB )
  43. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Event.php ( 7.67 KB )
  44. /data/web/baijiao_branch_collect/app/service.php ( 0.13 KB )
  45. /data/web/baijiao_branch_collect/app/AppService.php ( 0.26 KB )
  46. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Service.php ( 1.64 KB )
  47. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Lang.php ( 7.35 KB )
  48. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/lang/zh-cn.php ( 13.70 KB )
  49. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/Error.php ( 3.31 KB )
  50. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/RegisterService.php ( 1.33 KB )
  51. /data/web/baijiao_branch_collect/vendor/services.php ( 0.14 KB )
  52. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/PaginatorService.php ( 1.52 KB )
  53. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/ValidateService.php ( 0.99 KB )
  54. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/ModelService.php ( 2.04 KB )
  55. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/Service.php ( 0.77 KB )
  56. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Middleware.php ( 6.72 KB )
  57. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/BootService.php ( 0.77 KB )
  58. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/Paginator.php ( 11.86 KB )
  59. /data/web/baijiao_branch_collect/vendor/topthink/think-validate/src/Validate.php ( 63.20 KB )
  60. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/Model.php ( 23.55 KB )
  61. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/Attribute.php ( 21.05 KB )
  62. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/AutoWriteData.php ( 4.20 KB )
  63. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/Conversion.php ( 6.75 KB )
  64. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/DbConnect.php ( 5.16 KB )
  65. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/ModelEvent.php ( 2.33 KB )
  66. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/RelationShip.php ( 28.30 KB )
  67. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/contract/Arrayable.php ( 0.09 KB )
  68. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/contract/Jsonable.php ( 0.13 KB )
  69. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/contract/Modelable.php ( 0.09 KB )
  70. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Db.php ( 2.88 KB )
  71. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/DbManager.php ( 8.52 KB )
  72. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Log.php ( 6.28 KB )
  73. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Manager.php ( 3.92 KB )
  74. /data/web/baijiao_branch_collect/vendor/psr/log/src/LoggerTrait.php ( 2.69 KB )
  75. /data/web/baijiao_branch_collect/vendor/psr/log/src/LoggerInterface.php ( 2.71 KB )
  76. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Cache.php ( 4.92 KB )
  77. /data/web/baijiao_branch_collect/vendor/psr/simple-cache/src/CacheInterface.php ( 4.71 KB )
  78. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper/Arr.php ( 17.45 KB )
  79. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/cache/driver/Redis.php ( 6.94 KB )
  80. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/cache/Driver.php ( 9.03 KB )
  81. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/CacheHandlerInterface.php ( 1.99 KB )
  82. /data/web/baijiao_branch_collect/app/Request.php ( 0.09 KB )
  83. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Request.php ( 55.78 KB )
  84. /data/web/baijiao_branch_collect/app/middleware.php ( 0.26 KB )
  85. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Pipeline.php ( 2.61 KB )
  86. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/TraceDebug.php ( 3.40 KB )
  87. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Route.php ( 23.73 KB )
  88. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleName.php ( 5.75 KB )
  89. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Domain.php ( 2.53 KB )
  90. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleGroup.php ( 22.43 KB )
  91. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Rule.php ( 26.95 KB )
  92. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleItem.php ( 9.78 KB )
  93. /data/web/baijiao_branch_collect/route/app.php ( 3.05 KB )
  94. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Route.php ( 4.70 KB )
  95. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/dispatch/Controller.php ( 4.74 KB )
  96. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Dispatch.php ( 10.44 KB )
  97. /data/web/baijiao_branch_collect/app/controller/Index.php ( 33.26 KB )
  98. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Request.php ( 9.20 KB )
  99. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Url.php ( 14.07 KB )
  100. /data/web/baijiao_branch_collect/app/model/IndexModel.php ( 19.95 KB )
  101. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Config.php ( 1.37 KB )
  102. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Cache.php ( 2.06 KB )
  103. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/facade/Db.php ( 0.93 KB )
  104. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/connector/Mysql.php ( 5.73 KB )
  105. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/PDOConnection.php ( 53.74 KB )
  106. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Connection.php ( 8.39 KB )
  107. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/ConnectionInterface.php ( 4.57 KB )
  108. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/builder/Mysql.php ( 16.58 KB )
  109. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Builder.php ( 24.07 KB )
  110. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/BaseBuilder.php ( 27.50 KB )
  111. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Query.php ( 15.97 KB )
  112. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/BaseQuery.php ( 45.13 KB )
  113. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/TimeFieldQuery.php ( 7.43 KB )
  114. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/AggregateQuery.php ( 3.26 KB )
  115. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ModelRelationQuery.php ( 20.07 KB )
  116. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ParamsBind.php ( 3.66 KB )
  117. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ResultOperation.php ( 7.01 KB )
  118. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/WhereQuery.php ( 19.37 KB )
  119. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/JoinAndViewQuery.php ( 7.11 KB )
  120. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php ( 2.63 KB )
  121. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/Transaction.php ( 2.77 KB )
  122. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/log/driver/File.php ( 5.96 KB )
  123. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/LogHandlerInterface.php ( 0.86 KB )
  124. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/log/Channel.php ( 3.89 KB )
  125. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/event/LogRecord.php ( 1.02 KB )
  126. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/Collection.php ( 16.47 KB )
  127. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Response.php ( 8.81 KB )
  128. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/response/View.php ( 3.29 KB )
  129. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Cookie.php ( 6.06 KB )
  130. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/View.php ( 4.39 KB )
  131. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/view/driver/Php.php ( 6.44 KB )
  132. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
  133. /data/web/baijiao_branch_collect/view/index/pc/school_course_details.php ( 6.12 KB )
  134. /data/web/baijiao_branch_collect/view/index/pc/school_top.php ( 5.76 KB )
  135. /data/web/baijiao_branch_collect/view/index/pc/school_bottom.php ( 1.16 KB )
  136. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000292s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.000930s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '6257' AND `site_id` = 2 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000259s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000589s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 6257 [ RunTime:0.000214s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000646s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 6257 [ RunTime:0.000221s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000705s ]
  9. SELECT `a`.*,`content` FROM `fqi_school_course` `a` LEFT JOIN `fqi_school_course_content` `b` ON `b`.`content_id`=`a`.`content_id` WHERE `school_id` = 6257 AND `a`.`content_id` = '87264' AND `course_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000636s ]
  10. (select content_id,course_name from fqi_school_course where school_id = '6257' and content_id < '87264' and site_id = '2' order by content_id desc limit 1) union all(select content_id,course_name from fqi_school_course where school_id = '6257' and content_id > '87264' and site_id <= '2' order by content_id asc limit 1) [ RunTime:0.001933s ]
  11. SELECT * FROM `fqi_school_course` WHERE `school_id` = 6257 AND `site_id` = 2 AND `course_status` = 1 AND `school_status` = 1 AND `school_class_id` = 21396 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000386s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 6257 AND `site_id` = 2 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 10 [ RunTime:0.000306s ]
  13. SELECT COUNT(*) AS think_count FROM `fqi_school_course` WHERE `school_id` = 6257 AND `course_status` = 1 [ RunTime:0.000229s ]
  14. SHOW FULL COLUMNS FROM `fqi_school_teacher` [ RunTime:0.000668s ]
  15. SELECT COUNT(*) AS think_count FROM `fqi_school_teacher` WHERE `school_id` = '6257' [ RunTime:0.000240s ]
  16. SHOW FULL COLUMNS FROM `fqi_school_comments` [ RunTime:0.000604s ]
  17. SELECT COUNT(*) AS think_count FROM `fqi_school_comments` WHERE `school_id` = '6257' [ RunTime:0.000229s ]
  18. SELECT `content_id`,`course_name`,`a`.`school_id`,`b`.`school_name` FROM `fqi_school_course` `a` LEFT JOIN `fqi_school` `b` ON `b`.`school_id`=`a`.`school_id` WHERE `a`.`site_id` = '2' AND `b`.`school_status` = '1' AND `course_status` = 1 AND `course_id` < '87264' ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.047194s ]
0.060851s