POJ 1915 Knight Moves Knight Moves   Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 29912   Accepted: 14058 Description Background Mr Somurolov, fabulous chess-gamer indeed, asserts that no one else but him can move knights from one pos…

 Knight Moves Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 20913   Accepted: 9702 Description Background Mr Somurolov, fabulous chess-gamer indeed, asserts that no one else but him can move knights from one position to another so fa…

1.链接地址: http://bailian.openjudge.cn/practice/1915 http://poj.org/problem?id=1915 2.题目: 总Time Limit: 1000ms Memory Limit: 65536kB Description BackgroundMr Somurolov, fabulous chess-gamer indeed, asserts that no one else but him can move knights from o…

POJ 2243 Knight Moves 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 t…

主题链接:Knight Moves 题意:8个方向的 马跳式走法 ,已知起点 和终点,求最短路 研究了一下双向BFS,不是非常难,和普通的BFS一样.双向BFS只是是从 起点和终点同一时候開始搜索,可降低搜索时间 当两条搜索路线相遇时,结束. 貌似有一年百度的招聘 笔试,就是双向BFS. ... 以下,比較一下BFS 和 双向BFS的用时. BFS STL的queue可能会浪费一点时间 #include <iostream> #include <cstdio> #include &…

Knight Moves Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 13222   Accepted: 7418 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 v…

题意:一个人要从2先走到4再走到3,计算最少路径. 析:其实这个题很水的,就是要注意,在没有到4之前是不能经过3的,一点要注意.其他的就比较简单了,就是一个双向BFS,先从2搜到4,再从3到搜到4, 然后求最短路即可. 代码如下: #include <cstdio> #include <string> #include <cstdlib> #include <cmath> #include <iostream> #include <cstr…

Nightmare Ⅱ Time Limit: 2000/1000 MS (Java/Others)     Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 886     Accepted Submission(s): 185 Problem Description Last night, little erriyue had a horrible nightmare. He dreamed that he and…

题 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 that the…

题目: 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 that the most diffi…