Othello Othello is a game played by two people on an 8 x 8 board, using disks that are white on one side and black on the other. One player places disks with the white side up and the other player places disks with the black side up. The players alte…

SDUST的训练赛 当时死磕这个水题3个小时,也无心去搞其他的 按照题意,转换成无向图,预处理去掉单向的边,然后判断剩下的图能否构成两个无向完全图(ps一个完全图也行或是一个完全图+一个孤点) 代码是赛后看的网上大神,所以转载过来了,dfs染色的时候很巧妙,巧妙的用到了就两个无向完全图 #include <cstdio> #include <cstring> #include <cmath> #include <vector> #include <qu…

祝大家新年快乐,相信在新的一年里一定有我们自己的梦! 这是一个简化的魔板问题,只需输出步骤即可. 玩具(Toy) 描述 ZC神最擅长逻辑推理,一日,他给大家讲述起自己儿时的数字玩具. 该玩具酷似魔方,又不是魔方.具体来说,它不是一个3 * 3 * 3的结构,而是4 * 2的结构. 按照该玩具约定的玩法,我们可反复地以如下三种方式对其做变换: A． 交换上下两行.比如,图(a)经此变换后结果如图(b)所示. B． 循环右移(ZC神从小就懂得这是什么意思的).比如,图(b)经此变换后结果如图(c)所…

8.8 Othello is played as follows: Each Othello piece is white on one side and black on the other. When a piece is surrounded by its opponents on both the left and right sides, or both the top and bottom, it is said to be captured and its color is fli…

Barricade Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 997    Accepted Submission(s): 306 Problem Description The empire is under attack again. The general of empire is planning to defend his…

Sparse Graph Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 689    Accepted Submission(s): 238 Problem Description In graph theory, the complement of a graph G is a graph H on the same vertic…

http://acm.hdu.edu.cn/showproblem.php?pid=4712 Hamming Distance Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 1610    Accepted Submission(s): 630 Problem Description (From wikipedia) For bina…

http://acm.hdu.edu.cn/showproblem.php?pid=4707 Pet Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Problem Description One day, Lin Ji wake up in the morning and found that his pethamster escaped. He searched in th…

hannnnah_j’s Biological Test Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 802    Accepted Submission(s): 269 Problem Description hannnnah_j is a teacher in WL High school who teaches biolog…

[问题描述] 黑白棋游戏的棋盘由4×4方格阵列构成.棋盘的每一方格中放有1枚棋子,共有8枚白棋子和8枚黑棋子.这16枚棋子的每一种放置方案都构成一个游戏状态.在棋盘上拥有1条公共边的2个方格称为相邻方格.一个方格最多可有4个相邻方格.在玩黑白棋游戏时,每一步可将任何2个相邻方格中棋子互换位置.对于给定的初始游戏状态和目标游戏状态,编程计算从初始游戏状态变化到目标游戏状态的最短着棋序列. [样例输入] 1111 0000 1110 0010 1010 0101 1010 0101 [样例输出] 4…