改进了骑士巡游算法，速度更快，使用了权值的思路-Knight-tour algorithm improved, faster, and the idea of using the weight

acm动态规划经典习题解析，其中有很多经典案例，如数塔问题、最短路径问题、骑士游历问题等。-Acm dynamic programming classic problem sets, there are a lot of classic case, all to solve the problem, the shortest path problem, knight tour, etc.