超级密码 Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1492 Accepted Submission(s): 445 Problem Description Ignatius花了一个星期的时间终于找到了传说中的宝藏,宝藏被放在一个房间里,房间的门用密码锁起来了,在门旁边的墙上有一些关于密码的提示信息:密码是一个C进制的数,…
超级密码 Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2927 Accepted Submission(s): 939 Problem Description Ignatius花了一个星期的时间终于找到了传说中的宝藏,宝藏被放在一个房间里,房间的门用密码锁起来了,在门旁边的墙上有一些关于密码的提示信息: 密码是一个C进制的…
广度优先搜索以源结点s为出发点,算法始终将已发现和未发现结点之间的边界,沿其广度方向向外扩展.也即算法需要在发现所有距离源结点s为k的所有结点之后才会去发现距离源结点距离为k+1的其他结点. talk is cheap,show me the code!上具体的代码,最容易解释这一切. 该例子是以无向图为基础,代码中注释有具体说明,不在解释每一步: #include <iostream> #include <list> #include <queue> using na…
Walk Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1142 Accepted Submission(s): 195 Problem Description Biaoge is planning to walk to amusement park. The city he lives can be abstracted as…
超级密码 Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Problem Description Ignatius花了一个星期的时间终于找到了传说中的宝藏,宝藏被放在一个房间里,房间的门用密码锁起来了,在门旁边的墙上有一些关于密码的提示信息:密码是一个C进制的数,并且只能由给定的M个数字构成,同时密码是一个给定十进制整数N(0<=N<=5000)的正整数倍(如果存在多个满…
题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3781 Time Limit: 2 Seconds Memory Limit: 65536 KB Leo has a grid with N rows and M columns. All cells are painted with either black or white initially. Two cells A and B are calle…
Find a way Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5401 Accepted Submission(s): 1823 Problem Description Pass a year learning in Hangzhou, yifenfei arrival hometown Ningbo at finally.…
Problem Description A friend of you is doing research on the Traveling Knight Problem (TKP) where you are to find the shortest closed tour of knight moves that visits each square of a given set of n squares on a chessboard exactly once. He thinks tha…
Catch That Cow Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 9276 Accepted Submission(s): 2907 Problem Description Farmer John has been informed of the location of a fugitive cow and wants…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1429 思路分析:题目要求找出最短的逃亡路径,但是与一般的问题不同,该问题增加了门与钥匙约束条件: 考虑一般的搜索问题的解答思路: 搜索算法即在解空间中搜索满足要求的答案,可以看做一棵不断生长的状态树,状态之间不断扩展出新的状态,直到找出所需要的状态,即答案: <1>定义状态:对于该问题,由于存在门与锁的约束条件,所以状态应该包括3个元素,即人所在的坐标 x 和 y 以及含有锁的种类: <2&…