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Rules

  • Write a program in a language of your choice.

  • That program is designed to rotate a block of text. Example:

    BOB 90 deg DCB
CAT --> OAO
DOG CW GTB
  • You may assume the blocks of text are loaded into a variable block.
  • You may assume a square block, but of any size.
  • You may assume the line-endings are \n.
  • You're not allowed to use a library that already rotates blocks of text.
  • Code Golf rules, shortest program wins.
feersum
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asked Sep 25, 2014 at 22:23
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    \$\begingroup\$ Rotate in which direction? 90 degrees clockwise, or is that just an example? \$\endgroup\$ Commented Sep 25, 2014 at 22:43

2 Answers 2

2
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GolfScript, 11 characters

n/-1%zip n*

Explanation:

n/ # split on newline
-1% # reverse array
zip # "rotate" (will turn ['abc' 'def' 'ghi'] into ['adg' 'beh' 'cfi'])
n* # join with newline again
answered Sep 25, 2014 at 22:42
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  • \$\begingroup\$ Didn't he say that you cannot use an predefined method which rotates the text ? Seems like zip is doing that only \$\endgroup\$ Commented Sep 26, 2014 at 16:57
  • \$\begingroup\$ This can be improved by one char. See my answer to the question it duplicates \$\endgroup\$ Commented Sep 27, 2014 at 16:51
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Python, 0 bytes

My program rotates the block of text by 720 degrees.

answered Sep 25, 2014 at 22:38
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    \$\begingroup\$ Problem, it does not echo. \$\endgroup\$ Commented Sep 25, 2014 at 23:19

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