篮球计时计分，可以实现 两队分数交换，计时、记分、等篮球场上经常的一些用处-Basketball time points, two points can be realized exchange, timing, scoring, and so often some of the usefulness of the basketball court

This code is one of many application of the search algorithm of A * shortest path (called "a star "). It is applied to card 25 by 25 squares containing the walls and floor. This source aimed more help understand the algorithm to demonstrate its imple