/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ const.h ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
http://www.codebf.com/read/205290/5024312
http://www.codebf.com/read/205290/5024337
http://www.codebf.com/read/205290/5024365
http://www.codebf.com/read/205290/5024391
http://www.codebf.com/read/205290/5024416
http://www.codebf.com/read/205290/5024441
http://www.codebf.com/read/205290/5024469
http://www.codebf.com/read/205290/5024497
http://www.codebf.com/read/205290/5024533
http://www.codebf.com/read/205290/5024556
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