Sept. 10, 2015 Study again the back tracking algorithm using recursive solution, rat in maze, a classical problem. Made a few of mistakes through the practice, one is how to use two dimension array, another one is that "not all return path returns va…

http://www.lightoj.com/volume_showproblem.php?problem=1027 You are in a maze; seeing n doors in front of you in beginning. You can choose any door you like. The probability for choosing a door is equal for all doors. If you choose the ith door, it ca…

1204.   Maze Traversal A common problem in artificial intelligence is negotiation of a maze. A maze has corridors and walls. The robot can proceed along corridors, but cannot go through walls. Input For this problem, you will input the dimensions of…

/*这道题我原本是将斜线迷宫扩大为原来的两倍,但是在这种情况下对于在斜的方向上的搜索会变的较容易出错,所以参考了别人的思路后将迷宫扩展为原来的3倍,这样就变成一般的迷宫问题了*/ #include"iostream" #include"stdio.h" #include"algorithm" #include"cmath" #include"string.h" #include"ctype.h&q…

Zhuge Liang's Stone Sentinel Maze Time Limit: 10000/4000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 385    Accepted Submission(s): 106 Problem Description Zhuge Liang was a chancellor of the state of Shu Han dur…

Borg Maze Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9220   Accepted: 3087 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to descr…

Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9718   Accepted: 3263 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to describe the gr…

http://acm.split.hdu.edu.cn/showproblem.php?pid=4035 Maze Special Judge Problem Description   When wake up, lxhgww find himself in a huge maze. The maze consisted by N rooms and tunnels connecting these rooms. Each pair of rooms is connected by one a…

http://poj.org/problem?id=3026 Borg Maze Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 12086   Accepted: 3953 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg coll…

Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9971   Accepted: 3347 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to describe the gr…

点击打开链接 Borg Maze Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7097   Accepted: 2389 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used t…

http://acm.hdu.edu.cn/showproblem.php?pid=2216 zjt和sara在同一个地图里,zjt要去寻找sara,zjt每移动一步sara就要往相反方向移动,如果他们相邻或者在同一个格子里就算相遇. 输出最少步数.注意zjt每次必须要有能移动的点才移动,否则不能移动,但是sara没有能移动的点的话可以呆着不动. 用结构体保存两个点和相应的步数作为一个状态,然后用哈希函数映射出每一个状态的的哈希值,放入set中,判重. 注意哈希函数的选取要确保不能重复. #in…

http://acm.hdu.edu.cn/showproblem.php?pid=4035 树上的概率dp.   Maze Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65768/65768 K (Java/Others) Total Submission(s): 1626    Accepted Submission(s): 608 Special Judge Problem Description When wake up…

Borg Maze 题目链接: http://acm.hust.edu.cn/vjudge/contest/124434#problem/I Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to describe the group consciou…

Borg Maze Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 6634   Accepted: 2240 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to descr…

http://poj.org/problem?id=3026 Borg Maze Time Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Practice POJ 3026 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of…

// 题意:输入一个迷宫,从*开始遍历,把可达点标记为字符# 注意迷宫边界不规则,要用strlen判断. #include<cstdio> #include<cstring> #include<iostream> #include<string> #include<algorithm> using namespace std; + ; char maze[maxn][maxn]; , , -, }; , -, , }; int R; void d…

Borg Maze Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7998   Accepted: 2675 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to descr…

染色问题,其实就是看看图上某一点能扩散多少. 用DFS解决,因为BFS不是很熟 =-=...以后要多练. 提交后32ms,优化了一下,在递归前进行判定,优化到22ms,不是优化的很好... 代码: #include <cstdio> #include <cstdlib> #include <cstring> char maze[31][81]; void dfs(int x, int y) { maze[x][y] = '#'; if (maze[x - 1][y] =…

题目链接:http://poj.org/problem?id=3026. Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to describe the group consciousness of the Borg civilization. Ea…

Borg Maze DescriptionThe Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to describe the group consciousness of the Borg civilization. Each Borg individual is linked…

A - A Dangerous Maze Time Limit:2000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Description You are in a maze; seeing n doors in front of you in beginning. You can choose any door you like. The probability for choosing a door is equal…

 Slash Maze  By filling a rectangle with slashes (/) and backslashes ( ), you can generate nice little mazes. Here is an example: As you can see, paths in the maze cannot branch, so the whole maze only contains cyclic paths and paths entering somewhe…

作者:jostree 转载请注明出处 http://www.cnblogs.com/jostree/p/4092176.html 题目链接:hdu 5094 Maze 状态压缩dp+广搜 使用广度优先搜索,dp[key][x][y]表示在拥有钥匙key并在坐标(x,y)时需要的最少的步数,key的二进制的第i位等于1则代表拥有第i把钥匙. 需要注意以下几点: 1.可能存在同一坐标有多把钥匙. 2.墙和门是在两个坐标间进行移动时的障碍,并不在坐标点上,因此两个方向的移动都要加入wall数组. 2.…

题目链接:http://poj.org/problem?id=3026 感觉英语比题目本身难,其实就是个最小生成树,不过要先bfs算出任意两点的权值. #include <stdio.h> #include <string.h> #include <queue> #include <algorithm> using namespace std; ][]; ]; struct Point { int x, y; }point[]; struct Edge {…

Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to describe the group consciousness of the Borg civilization. Each Borg individual is linked to the c…

1159:Maze 总时间限制: 2000ms 内存限制: 65536kB 描述 Acm, a treasure-explorer, is exploring again. This time he is in a special maze, in which there are some doors (at most 5 doors, represented by 'A', 'B', 'C', 'D', 'E' respectively). In order to find the treas…

1 #include <stdlib.h> #include <stdio.h> #define stackinitsize 50 #define stackincrement 8 typedef struct { int x,y; }posttype; typedef struct { int ord; posttype seat; int di; }elemtype; typedef struct{ elemtype *base; elemtype *top; int stac…

Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 6971   Accepted: 2345 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to describe the gr…

By filling a rectangle with slashes (/) and backslashes ( ), you can generate nice little mazes. Here is an example: As you can see, paths in the maze cannot branch, so the whole maze only contains cyclic paths and paths entering somewhere and leavin…