User name:  626671935

Nick name:  sj110120_刘勇杰

School:  山东理工大学

College:  adademy

Major:  数学与应用数学

Class:  

Solved:  41

Submissions:  130

AC Ratio:  31.54%

Rank:  19319

Email:   --

Register Time:  2013-03-27 00:06:59

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