题目链接 2017 Beijing Problem H 题意 给定一个$n * m$的矩阵，现在可以把矩阵中的任意一个数换成$p$，求替换之后最大子矩阵的最小值。 首先想一想暴力的方法，枚举矩阵中的数，然后$O(n^{3})$求最大子矩阵更新答案，这样复杂度是$O(n^{5})$的。 思考得再仔细一 ...
分类：
其他好文 时间：
2018-05-29 00:33:13
阅读次数：
285
Description Katu Puzzle is presented as a directed graph G(V, E) with each edge e(a, b) labeled by a boolean operator op (one of AND, OR, XOR) and an ...
分类：
其他好文 时间：
2018-05-26 23:22:41
阅读次数：
211
传送门 题目描述 In an extended version of the game Lights Out, is a puzzle with 5 rows of 6 buttons each (the actual puzzle has 5 rows of 5 buttons each). Ea ...
分类：
其他好文 时间：
2018-05-25 17:53:12
阅读次数：
158
注：未经博主允许不得转载。 原文链接：http://www.cnblogs.com/Blog-of-Eden/p/9060300.html 和 https://i-m-eden.github.io/2018/05/17/ST-PUZZLE-2-0/ 仅使用vs2017编写的一个WinApi小程序。 ...
分类：
其他好文 时间：
2018-05-19 15:40:58
阅读次数：
200
rep_word = 'The piece is gone, left the puzzle undone' # \ 换行，跟shell一样 with open('nothing', 'r', encoding='utf-8') as f, \ open('nothing1', 'w', encod... ...
分类：
其他好文 时间：
2018-04-28 11:43:06
阅读次数：
212
Shuffling is a procedure used to randomize a deck of playing cards. Because standard shuffling techniques are seen as weak, and in order to avoid "ins ...
分类：
系统相关 时间：
2018-04-27 22:10:03
阅读次数：
276
On a 2x3 board, there are 5 tiles represented by the integers 1 through 5, and an empty square represented by 0. A move consists of choosing 0 and a 4 ...
分类：
其他好文 时间：
2018-04-27 02:41:31
阅读次数：
183
* This program shows how to detect the edges of a diamond * with subpixel accuracy and calculate the angle between them. * * In contrast to the exampl... ...
分类：
其他好文 时间：
2018-04-24 20:12:49
阅读次数：
1336
The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. The n-queens puzzle is the prob ...
分类：
其他好文 时间：
2018-04-23 11:05:13
阅读次数：
156
Crazy Search Many people like to solve hard puzzles some of which may lead them to madness. One such puzzle could be finding a hidden prime number in ...
分类：
其他好文 时间：
2018-04-22 21:54:52
阅读次数：
213
