User name:  Poseidon

Nick name:  闫瑞涵

School:  山东理工大学

College:  材料学院

Major:  高分子材料与工程

Class:  材料1501

Solved:  1

Submissions:  1

AC Ratio:  100%

Rank:  29667

Email:   --

Register Time:  2016-07-26 10:55:42

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