分治算法的直观应用，有GUI。即在8*8的格子中放一块障碍，求一种分配方案使得能用相同的直角方块（共3块成L字形）铺满整个方格。-Divide and conquer algorithm intuitive applications, there GUI. Ie 8* 8 grid put an obstacle, seeking an allocation scheme makes possible the same rectangular box (a total of three L-sh