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  1. local random_char_string = function(arr, length)
  2.   local result = ""
  3.   for i = 1, length do
  4.     result = result .. arr[math.random(#arr)]
  5.   end
  6.   return result
  7. end
  8.  
  9. local yoba = function(atoms, n) 
  10.   local str = ""
  11.   for i = n, 0, -1 do
  12.     str = str .. string.rep(" ", i) .. random_char_string(atoms, (n - i) * 2 + 1) .. "\n"
  13.   end  
  14.   return str
  15. end
  16.  
  17. local n = tonumber(io.read())
  18. if not n then n = 10 end
  19. local atoms = {"+", ".", "*", "~", "^", "o"}
  20.  
  21. print(yoba(atoms, n))
Success #stdin #stdout 0.02s 2500KB
comments (?)
stdin
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20
stdout
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                    o
                   *^^
                  o.*^.
                 ~*~*~oo
                ~^+~+.+^+
               *++o.~o~.~~
              *o.^~^*o.*^o+
             o~+.~o*++*+.ooo
            .~*^~^~+*oo^.^~*^
           +*o^..o*^o~~o*o*^^o
          *.oo+o~*~.^.*...~*.o+
         +*^oo^*^*..~.+^+^+^+o+~
        ..^^~o~^++~++.*^~^++o.o+o
       +o++o~.+*o^*~~*^+~^.o~o^~+^
      ^oo^o^oo^*+^o+~.~.^...+~.~~o.
     ~^+*~o**o*+*~^.^**.^.~+*^^~*.~~
    ^.^.o^~.~+.o^++*~~~.^...o+^..*oo^
   ^+^*^ooo.^~.ooo*~+.o**o*..^^+~*o^..
  *++*.oo~o^***~~.+++~*..+*o~.~^*+o~~.~
 *^*..^~o*o+*+^^.+o^+*o^.*o++*.~^+++*^^*
+~~~~*.o*.~~~~.^++o.*.^.*o*^~+.^~o...~+^^
https://ideone.com/5ORGZK
language:
Lua (luac 5.3.3)
created:
11 years ago
visibility:
public

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