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hdu 1082 Matrix Chain Multiplication
Matrix Chain MultiplicationTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 797 Accepted Submission(s): 553Problem DescriptionMatr原创 2013-06-01 20:54:45 · 698 阅读 · 0 评论 -
D. Psychos in a Line Codeforces Round #189 (Div. 2)
D. Psychos in a Linetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are n psychos standing in a line.原创 2013-06-24 15:22:17 · 1743 阅读 · 0 评论 -
hdu 4452 Running Rabbits (简单模拟)
Running RabbitsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 613 Accepted Submission(s): 438Problem DescriptionRabbit Tom a原创 2013-08-06 10:02:39 · 1084 阅读 · 0 评论 -
hdu 4090 GemAnd Prince (bfs+dfs+模拟)
题目链接:点此进入思路:先bfs查找块(能一次消除的),然后对这些块dfs,然后模拟下降操作和左移操作就够了。剪枝:当前分+当前的相同的全消除得的分注意:数组传递,传递的是指针,如果修改值则修改的是实际值。感想:这题其实说起来也还不算很难的那种,因为至少知道应该怎么搜,所以不要怕它。代码:#include #incl原创 2013-08-28 14:09:50 · 1115 阅读 · 0 评论 -
hdu 4431 Mahjong (模拟+搜索)
MahjongTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2406 Accepted Submission(s): 500Problem DescriptionJapanese Mahjong is原创 2013-08-18 20:54:09 · 1258 阅读 · 0 评论 -
hdu 3259 An interesting mobile game (dfs+bfs+模拟)
An interesting mobile gameTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 222 Accepted Submission(s): 104Problem DescriptionX原创 2013-09-10 23:11:33 · 1664 阅读 · 0 评论 -
poj 1103 & zoj 1142 Maze (图形模拟+简单搜索)
MazeTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 1138 Accepted: 451DescriptionBy filling a rectangle with slashes (/) and backslashes (\), you can ge原创 2013-12-22 15:38:45 · 1761 阅读 · 0 评论 -
递归转循环的通用方法
1.递归定义:程序调用自身的编程技巧称为递归。栈与递归的关系:递归是借助于系统栈来实现的。每次递归调用,系统都要为该次调用分配一系列的栈空间用于存放此次调用的相关信息:返回地址,局部变量等。当调用完成时,就从栈空间内释放这些单元,在该函数没有完成前,分配的这些单元将一直保存着不被释放。2.递归转化为循环记得有人说过“所有递归都能转化为循环”,某晚睡不着思考了一下这个问题原创 2016-04-18 20:49:59 · 23118 阅读 · 1 评论