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  1. -- your code goes here
  2.  
  3. a = {{1,2,3,4,},
  4.      {5,6,7,8,},
  5.      {9,10,11,12},
  6.      {13,14,15,16}}
  7.  
  8. bottom = {}
  9. top = {}
  10.  
  11. for i, v in ipairs(a) do
  12. 	for j, w in ipairs(v) do
  13. 		if(i > j) then
  14. 			table.insert(bottom, w)
  15. 		else if(i < j) then
  16. 			table.insert(top, w)
  17. 		end
  18. 	end
  19. end
  20. end
  21.  
  22. print("Top:")
  23. for i=1, #top do
  24. 	print(top[i])
  25. end
  26.  
  27. print("Bottom:")
  28. for i = 1, #bottom do
  29. 	print(bottom[i])
  30. end
Success #stdin #stdout 0.01s 2496KB
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stdin
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Standard input is empty
stdout
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Top:
2
3
4
7
8
12
Bottom:
5
9
10
13
14
15
https://ideone.com/jDkiEx
language:
Lua (luac 5.3.3)
created:
10 years ago
visibility:
public

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