骑士周游列国问题 在一张国际象棋棋盘上（8*8方格），骑士（knight，马）位于任意一个位置。问如何才能让骑士不重不漏的经过棋盘上的每个格？-Knight tour around the problem in a chess board (8* 8 squares), Knight (knight, horse) in any one location. Q. How can I get the knights do not leak through the chessboard each