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This challenge involves creating or parsing pictures using text characters as the paint. Typically this uses only 95 printable (from a total of 128) characters defined by the ASCII Standard from 1963.
8
votes
Print a Christmas Tree
Groovy, 65
(p={c,r->println' '*(9-r)+(c*(r*2-1))})'*',1;(1..9).each{p'0',it}
Surprisingly, the tree looks like this:
*
0
000
00000
0000000
000000000
000000 …
1
vote
Print a Christmas Tree
Java, 155 127
enum t{_;{for(char c=42,i=9,j;--i<0;c=48){j=i;String b="";while(--j>0)b+=" ";while(++j<(10-i)*2)b+=c;System.out.println(b);}}}
and a tree
*
0
000
00000
…