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 1 /******************************************************************************
 2 *
 3 * Copyright (C) 2005, The Gentee Group. All rights reserved. 
 4 * This file is part of the Gentee open source project - http://www.gentee.com. 
 5 * 
 6 * THIS FILE IS PROVIDED UNDER THE TERMS OF THE GENTEE LICENSE ("AGREEMENT"). 
 7 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS FILE CONSTITUTES RECIPIENTS 
 8 * ACCEPTANCE OF THE AGREEMENT.
 9 *
10 * ID: euclidean 17.10.06 0.0.A.
11 *
12 * Author: Alexey Krivonogov ( gentee )
13 *
14 ******************************************************************************/
15 
16 func uint gcd( uint first second )
17 {
18    if !second : return first
19    return gcd( second, first % second )
20 }
21 
22 func main<main>
23 {
24    str     input
25    uint    first second
26    
27    print("This program finds the greatest common divisor 
28 by the Euclidean Algorithm.\n\n")
29 
30    while 1
31    {
32       first = uint( congetstr( "Enter the first number ( enter 0 to exit ): ", input ))
33       if !first : break
34       
35       second = uint( congetstr( "Enter the second number: ", input ))
36       print("GCD = \( gcd( first, second ))\n\n")
37    }
38 }
39