# Generalized Collatz conjecture

Sep 15th, 2019
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1. //----------------------------------------------------------------------------------------------
2. // Meditor Digital Strategies since 1989.
3. // www.meditor.hu * meditor@meditor.hu
4. // This file : CVc.c
5. // Created by: Végvári Lajos
6. // Date      : 2019-sep-15 + 08:06:51
7. //----------------------------------------------------------------------------------------------
8. // >> Sol omnibus lucet
9. //----------------------------------------------------------------------------------------------
10.
11. // C code for generalized Collatz conjecture
12. // Conjecture generalized and code made by Lajos Végvári (c) 2019.
13.
14. #define     MAX_EXPONENT   5
15. #define     MAX_NUMBER  5000
16. #define     MAX_ITER    5000
17.
18. #include    <stdio.h>
19. #include    <stdlib.h>
20.
21. //----------------------------------------------------------------------------------------------
22. //----------------------------------------------------------------------------------------------
23.
24.
25. int main(int argc, char *argv[])
26.     {unsigned int   k,exponent,divider;
27.      unsigned int   number,iter;
28.      int            result;
30.
32.
33.      printf("\n ** Generalized Collatz conjecture from Lajos Végvári. (c) 2019.\n\n");
34.      k=0;while(k<MAX_EXPONENT)
35.      {exponent=(2*k)+1;divider=1<<exponent;
36.       printf("  > Process with:: EXP: %6d DIV %6d\n",exponent,divider);
37.
39.       number=1;while(number<MAX_NUMBER)     // try with 1....(MAX_NUMBER-1)
40.       {result=number;
41.
42.        iter=0;while(iter<MAX_ITER)          // max length of sequence
43.        {
44.         if(!(result%divider)){result/=divider;}
46.
47.         if(result==1)break;
48.         iter++;
49.        }
50.
51.        if(iter<MAX_ITER){good_cnt++;}
53.        number++;
54.       }
55.
57.
58.       k++;
59.      }
60.
61.      printf("\n ** Sol omnibus lucet.\n\n");
62.
63.
64.      getchar();
65.      return(0);
66.     }
67.
68.
69. //----------------------------------------------------------------------------------------------
70. // End of file.
71. //----------------------------------------------------------------------------------------------
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