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ch05_2.pas
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Pascal/Delphi Source File
|
1991-02-04
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959b
|
41 lines
(* Chapter 5 - Programming exercise 2 *)
program Try_Recursion;
var Count : integer;
procedure Print_And_Decrement(Index : integer);
begin
Writeln('The value of the index is ',Index:3);
Index := Index - 1;
if Index > 0 then
Print_And_Decrement(Index);
Writeln('The value of the index is now ',Index:3);
end;
begin (* main program *)
Count := 7;
Print_And_Decrement(Count);
end. (* main program *)
{ Result of execution
The value of the index is 7
The value of the index is 6
The value of the index is 5
The value of the index is 4
The value of the index is 3
The value of the index is 2
The value of the index is 1
The value of the index in now 0
The value of the index in now 1
The value of the index in now 2
The value of the index in now 3
The value of the index in now 4
The value of the index in now 5
The value of the index in now 6
}