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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4. #define NUM_CELLS 71
  5. #define NUM_GENERATIONS 32
  6. #define char_ON  '#'
  7. #define char_OFF '_'
  8.  
  9. void do_generation(char *cells, int num_cells)
  10. {
  11. 	int i;
  12. 	char *new_cells = (char*)malloc(num_cells + 1);
  13. 	new_cells[0] = cells[1];
  14. 	new_cells[num_cells-1] = cells[num_cells-2];
  15.  
  16. 	for (i=1; i<=num_cells-2; i++)
  17. 	{
  18. 		new_cells[i] = cells[i-1] ^ cells[i+1];
  19. 	}
  20.  
  21. 	memcpy(cells, new_cells, num_cells-1);
  22. 	free(new_cells);
  23. }
  24.  
  25. int main()
  26. {
  27. 	char cells[NUM_CELLS];
  28. 	int i, j;
  29.  
  30. 	for (i=0; i<NUM_CELLS; i++) cells[i] = (char)0;
  31. 	cells[(NUM_CELLS-1)/2] = (char)1;
  32.  
  33. 	for (i=1; i<=NUM_GENERATIONS; i++)
  34. 	{
  35. 		for (j=0; j<NUM_CELLS; j++)
  36. 		{
  37. 			putchar(cells[j] ? char_ON:char_OFF);
  38. 		}
  39. 		putchar('\n');
  40. 		do_generation(cells, NUM_CELLS);
  41. 	}
  42.  
  43. 	return 0;
  44. }
Success #stdin #stdout 0s 2380KB
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stdin
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Standard input is empty
stdout
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___________________________________#___________________________________
__________________________________#_#__________________________________
_________________________________#___#_________________________________
________________________________#_#_#_#________________________________
_______________________________#_______#_______________________________
______________________________#_#_____#_#______________________________
_____________________________#___#___#___#_____________________________
____________________________#_#_#_#_#_#_#_#____________________________
___________________________#_______________#___________________________
__________________________#_#_____________#_#__________________________
_________________________#___#___________#___#_________________________
________________________#_#_#_#_________#_#_#_#________________________
_______________________#_______#_______#_______#_______________________
______________________#_#_____#_#_____#_#_____#_#______________________
_____________________#___#___#___#___#___#___#___#_____________________
____________________#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#____________________
___________________#_______________________________#___________________
__________________#_#_____________________________#_#__________________
_________________#___#___________________________#___#_________________
________________#_#_#_#_________________________#_#_#_#________________
_______________#_______#_______________________#_______#_______________
______________#_#_____#_#_____________________#_#_____#_#______________
_____________#___#___#___#___________________#___#___#___#_____________
____________#_#_#_#_#_#_#_#_________________#_#_#_#_#_#_#_#____________
___________#_______________#_______________#_______________#___________
__________#_#_____________#_#_____________#_#_____________#_#__________
_________#___#___________#___#___________#___#___________#___#_________
________#_#_#_#_________#_#_#_#_________#_#_#_#_________#_#_#_#________
_______#_______#_______#_______#_______#_______#_______#_______#_______
______#_#_____#_#_____#_#_____#_#_____#_#_____#_#_____#_#_____#_#______
_____#___#___#___#___#___#___#___#___#___#___#___#___#___#___#___#_____
____#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#_#____
https://ideone.com/t02zka
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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