岁月流风、、

黑白图像Time Limit(Common/Java):1000MS/3000MS          Memory Limit:65536KByteTotal Submit:282            Accepted:82Description输入一个n×n的黑白图像（1表示黑色，0表示白色），任务是统计其中八连块的个数。如果两个黑格子有公共边或者公共顶点，就说它们属于

DescriptionWhen a radio station is broadcasting over a very large area, repeaters are used to retransmit the signal so that every receiver has a strong signal. However, the channels used by each r

DescriptionYou have just been put in charge of developing a new shredder for the Shredding Company Although a "normal" shredder would just shred sheets of paper into little pieces so that the cont

DescriptionA university network is composed of N computers. System administrators gathered information on the traffic between nodes, and carefully divided the network into two subnetworks in order

DescriptionGiven a positive integer n, write a program to find out a nonzero multiple m of n whose decimal representation contains only the digits 0 and 1. You may assume that n is not greater t

DescriptionSudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure. In some of the cells are written decimal digits from 1

Description在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放方案C。Input输入含有多组测试数据。 每组数据的第一行是两个正整数，n k，用一个空格隔开，表示了将在一个n*n的矩阵内描述棋盘，以及摆放棋子的数目。 n

DescriptionOn Planet MM-21, after their Olympic games this year, curling is getting popular. But the rules are somewhat different from ours. The game is played on an ice game board on which a squa

DescriptionThe cornfield maze is a popular Halloween treat. Visitors are shown the entrance and must wander through the maze facing zombies, chainsaw-wielding psychopaths, hippies, and other terro

Description在N*N的方格棋盘放置了N个皇后，使得它们不相互攻击（即任意2个皇后不允许处在同一排，同一列，也不允许处在与棋盘边框成45角的斜线上。你的任务是，对于给定的N，求出有多少种合法的放置方法。 Input共有若干行，每行一个正整数N≤10，表示棋盘和皇后的数量；如果N=0，表示结束。 Output共有若干行，每行一个正整数，表示对应输入行的皇后的不

DescriptionBackground The knight is getting bored of seeing the same black and white squares again and again and has decided to make a journey around the world. Whenever a knight moves, it is

DescriptionThere is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a tile, he can move to one of four adjacent til

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4277  DFS枚举，固定一条边即可。。。这样也能过，相当拙劣。。//STATUS:C++_AC_890MS_4732KB #include#include#include#include#include#include#include#includeusing names