Problem 1213. What gear ratio does the cyclist need?

What is Size?

Size refers to the number of nodes in a parse tree. Generally speaking, you can think of size as code length.
26Size
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Solution 199320 Submitted on 1 Feb 2013 by Alfonso Nieto-Castanon 
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26Size
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Solution 198839 Submitted on 31 Jan 2013 by Vitaly Lavrukhin 
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33Size
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Solution 193917 Submitted on 19 Jan 2013 by Chris 
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42Size
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Solution 193913 Submitted on 19 Jan 2013 by Chris 
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Incorrect
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Solution 193912 Submitted on 19 Jan 2013 
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33Size
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Solution 193911 Submitted on 19 Jan 2013 by Chris 
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43Size
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Solution 193909 Submitted on 19 Jan 2013 by Chris 
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Incorrect
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Solution 193907 Submitted on 19 Jan 2013 
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Incorrect
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Solution 193906 Submitted on 19 Jan 2013 
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Incorrect
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Solution 193904 Submitted on 19 Jan 2013 
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26Size
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Solution 193377 Submitted on 18 Jan 2013 by Khaled Hamed 
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26Size
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Solution 193367 Submitted on 18 Jan 2013 by Tim 
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29Size
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Solution 192974 Submitted on 18 Jan 2013 by @bmtran 
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55Size
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Solution 192897 Submitted on 17 Jan 2013 by Peter Wittenberg 
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