骑士的移动 题目链接:http://acm.hust.edu.cn/vjudge/contest/view.action?cid=83498#problem/E 题目: 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 s…
[Usaco2005 Dec]Knights of Ni 骑士 Description 贝茜遇到了一件很麻烦的事:她无意中闯入了森林里的一座城堡,如果她想回家,就必须穿过这片由骑士们守护着的森林.为了能安全地离开,贝茜不得不按照骑士们的要求,在森林寻找一种特殊的灌木并带一棵给他们.当然,贝茜想早点离开这可怕的森林,于是她必须尽快完成骑士们给的任务,贝茜随身带着这片森林的地图,地图上的森林被放入了直角坐标系,并按x,y轴上的单位长度划分成了W×H(1≤W,H≤1000)块,贝茜在地图上查出了她自…
给出起点和终点 求骑士从起点走到终点所需要的步数 Sample Inpute2 e4 //起点 终点a1 b2b2 c3a1 h8a1 h7h8 a1b1 c3f6 f6 Sample OutputTo get from e2 to e4 takes 2 knight moves.To get from a1 to b2 takes 4 knight moves.To get from b2 to c3 takes 2 knight moves.To get from a1 to h8 take…