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harbour-core/harbour/samples/misc/guess.prg
1999-10-09 10:07:23 +00:00

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/*
* $Id$
*/
//
// Guess a number
//
// Date : 1999/04/22
//
// My first application (big word) written in Harbour
//
// Written by Eddie Runia <eddie@runia.com>
// www - http://www.harbour-project.org
//
// Placed in the public domain
//
extern OutStd
function Main()
local flGuessed
local CRLF := chr(13)+chr(10)
local nSeed := 241
local nPick
QQOut( "Welcome to guess a number....", CRLF )
QQOut( "You have to guess a number between ",0," and 255", CRLF )
do while Upper( Read( "Continue Y/N : " ) ) == "Y"
nSeed := (( nSeed * 11) + 5) % 256
flGuessed := 0
do while flGuessed == 0
nPick := Val( Read( "Value : " ) )
if nPick > 255
QQOut( "More than 255", CRLF )
elseif nPick < 0
QQOut( "Less than 0", CRLF )
elseif nPick > nSeed
QQOut( "Try lower", CRLF )
elseif nPick < nSeed
QQOut( "Try higher", CRLF )
else
QQOut( "Congratulations, you've guessed the number", CRLF, CRLF )
flGuessed := 1
endif
enddo
enddo
return nil
function Read( cPrompt ) // Simple read function.
return __Accept( cPrompt )