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Borland Delphi Version 15.0
Copyright (c) 1983,2002 Borland Software Corporation

0_0_12593360_12344.pas(29) Error: Undeclared identifier: 'n'

0_0_12593360_12344.pas(30) Error: For loop control variable must have ordinal type

0_0_12593360_12344.pas(33) Error: Undeclared identifier: 'a'

0_0_12593360_12344.pas(33) Error: ',' or ')' expected but ';' found