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摘要: Problem F - String Partition Time limit: 3.000 secondsJohn was absurdly busy for preparing a programming contest recently. He wanted to create a ridic... 阅读全文
posted @ 2016-01-04 09:49 mengfanrong 阅读(366) 评论(0) 推荐(0) 编辑
摘要: 错误一:Hive的where后不能用字段的别名,错误二:hive的groupby中不能用自己定义函数,否则报错(用嵌套select取代)错误三:运行:$ ./hive_game_operationstatis5.sh时,报错信息例如以下:./hive_game_operationstatis5.sh... 阅读全文
posted @ 2016-01-04 09:07 mengfanrong 阅读(2746) 评论(0) 推荐(0) 编辑
摘要: L -Minimum Sum LCMTime Limit:3000MSMemory Limit:0KB64bit IO Format:%lld & %lluSubmitStatusPracticeUVA 10791题意:输入正整数n,找至少两个数,使得他们的LCM为n且要输出最小的和;思路:既然LC... 阅读全文
posted @ 2016-01-04 08:03 mengfanrong 阅读(179) 评论(0) 推荐(0) 编辑
摘要: Given a binary tree, return thepostordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[3,2,1].No... 阅读全文
posted @ 2016-01-03 21:24 mengfanrong 阅读(144) 评论(0) 推荐(0) 编辑
摘要: 效果图:watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxMzgxNjcwOQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="">前台调用... 阅读全文
posted @ 2016-01-03 21:05 mengfanrong 阅读(994) 评论(0) 推荐(0) 编辑
摘要: 前面我们学习二叉搜索树的时候发如今一些情况下其高度不是非常均匀,甚至有时候会退化成一条长链,所以我们引用一些”平衡”的二叉搜索树。红黑树就是一种”平衡”的二叉搜索树,它通过在每一个结点附加颜色位和路径上的一些约束条件能够保证在最坏的情况下基本动态集合操作的时间复杂度为O(nlgn).... 阅读全文
posted @ 2016-01-03 20:51 mengfanrong 阅读(600) 评论(0) 推荐(0) 编辑
摘要: 1.Given an array where elements are sorted in ascending order, convert it to a height balanced BST.2.Given a singly linked list where elements are sor... 阅读全文
posted @ 2016-01-03 20:34 mengfanrong 阅读(132) 评论(0) 推荐(0) 编辑
摘要: 写c++程序时,常常会出现内存泄漏的问题,这里从网上找了一种非常麻烦的方法:假设想找到每一个cpp文件的内存泄漏,都必须在每一个cpp加上例如以下代码:#include #ifdef _DEBUG#define DEBUG_CLIENTBLOCK new(_CLIENT_BLOCK, __FIL... 阅读全文
posted @ 2016-01-03 19:26 mengfanrong 阅读(389) 评论(0) 推荐(0) 编辑
摘要: Problem DescriptionYou have an array consisting of n integers:a1=1,a2=2,a3=3,…,an=n. Then give you m operators, you should process all the operators i... 阅读全文
posted @ 2016-01-03 19:16 mengfanrong 阅读(142) 评论(0) 推荐(0) 编辑
摘要: Problem DescriptionBob enjoys playing computer games, especially strategic games, but sometimes he cannot find the solution fast enough and then he is... 阅读全文
posted @ 2016-01-03 18:29 mengfanrong 阅读(192) 评论(0) 推荐(0) 编辑
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