I find a bug.
Difference between en2 and en3, changed 7 character(s)
there is his code : http://mirror.codeforces.com/contest/610/submission/15050289↵
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As we can see: ↵
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![ ](http://mirror.codeforces.com/predownloaded/d3/2f/d32f8ea0395711a3b413b48e7c06889068d1ac28.png)↵
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He geot accepted.↵
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But his code got wa2.↵
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![ ](http://mirror.codeforces.com/predownloaded/d9/cb/d9cbb04df41336dca55e156253d77df9af60e474.png)↵
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Maybe this is a Christmas presents?↵
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lol↵
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History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en3 English Qoogle 2015-12-28 06:27:08 7
en2 English Qoogle 2015-12-28 06:22:14 118 Tiny change: 'om/30decf/QQ图片20151228111332.png)\n\n' - (published)
en1 English Qoogle 2015-12-28 06:16:29 300 Initial revision (saved to drafts)