该程序实现显示一个数字的方阵，程序中的清屏功能可将上次运行的结果 清除，重新显示下次运行结果。本程序在dos中或windows98中运行。-The program displays a number of the square to achieve the program s clear-screen function can be the result of the last run Clear, re-display the results next time. The progr