一般的都是打印直角三角形式的杨辉三角,本人作了点修改,输出等边三角(非直角)形式的杨辉三角, -general are right triangle-print Pascal's Triangle, I made a point changes, the output equilateral triangle (non-Cartesian) form of Pascal's Triangle.

本程序实现pascal语言的语法分析,采用递归向下的分析方法,值得新手一看,-This procedure realize PASCAL language syntax analysis, USES the pass to the analysis method of novice is worth a look,