小弟今天上传几个程序想和大家交流一下,我十分想和大家学习点东西.棋盘覆盖-From today, a few procedures boy would like to exchange, I very much would like to learn something. Chessboard coverage

棋盘覆盖问题，有图形显示，可手动输入棋盘大小及多余点的位置-Board covering problem, a graphic display, you can manually enter the board size and location of extra points

通过输入行数与坐标，输出棋盘的覆盖的相关的可行性的解。-By entering the number of lines and the coordinate output chessboard coverage related to the feasibility of the solution.