Problem 853. Without french accent please !

What is Size?

Size refers to the number of nodes in a parse tree. Generally speaking, you can think of size as code length.
16Size
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Solution 243563 Submitted on 13 May 2013 at 13:05 by Yaroslav 
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11Size
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Solution 232143 Submitted on 18 Apr 2013 by Dan 
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Incorrect
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Solution 232142 Submitted on 18 Apr 2013 
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16Size
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Solution 232137 Submitted on 18 Apr 2013 by Dan 
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12Size
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Solution 194292 Submitted on 21 Jan 2013 by Alfonso Nieto-Castanon 
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12Size
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Solution 194290 Submitted on 21 Jan 2013 by Alfonso Nieto-Castanon 
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70Size
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Solution 183411 Submitted on 30 Dec 2012 by Mehmet 
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70Size
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Solution 183410 Submitted on 30 Dec 2012 by Mehmet 
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70Size
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Solution 173629 Submitted on 6 Dec 2012 by Binbin Qi 
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24Size
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Solution 162420 Submitted on 15 Nov 2012 by José Ramón Menzinger 
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24Size
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Solution 160890 Submitted on 12 Nov 2012 by Venu Lolla 
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162Size
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Solution 128709 Submitted on 17 Aug 2012 by James 
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118Size
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Solution 126137 Submitted on 10 Aug 2012 by @bmtran 
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34Size
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Solution 124796 Submitted on 7 Aug 2012 by Tim 
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16Size
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Solution 120071 Submitted on 29 Jul 2012 by Khaled Hamed 
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18Size
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Solution 119698 Submitted on 28 Jul 2012 by Jean-Marie SAINTHILLIER 
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Incorrect
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Solution 118867 Submitted on 25 Jul 2012 
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18Size
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Solution 118600 Submitted on 25 Jul 2012 by Julian 
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86Size
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Solution 117415 Submitted on 23 Jul 2012 by Freddy 
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68Size
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Solution 117369 Submitted on 23 Jul 2012 by Aurelien Queffurust 
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Incorrect
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Solution 117368 Submitted on 23 Jul 2012 
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Incorrect
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Solution 117367 Submitted on 23 Jul 2012 
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Incorrect
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Solution 117365 Submitted on 23 Jul 2012 
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Incorrect
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Solution 117364 Submitted on 23 Jul 2012 
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34Size
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Solution 117113 Submitted on 22 Jul 2012 by Khaled Hamed 
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18Size
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Solution 116234 Submitted on 20 Jul 2012 by Richard Zapor 
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70Size
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Solution 116181 Submitted on 20 Jul 2012 by Richard Zapor 
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Incorrect
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Solution 116171 Submitted on 20 Jul 2012 
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Incorrect
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Solution 116163 Submitted on 20 Jul 2012 
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