Introduction - If you have any usage issues, please Google them yourself
Knight rescue the princess (nature of the problem for the maze problem) map by the ' .' ,' #' , N (0 ≤ n ≤ 9) constitute the three symbols, ' .' Said the knight to enter the ground, ' #' , said Knight could not enter the trap , n has a vitality that the square is n monster, knight takes n seconds to destroy it.