User name:  17111271021

Nick name:  ly170332孙袁振

School:  山东理工大学

College:  物理与光电工程学院

Major:  光电信息科学与工程

Class:  1703

Solved:  63

Submissions:  270

AC Ratio:  23.33%

Rank:  6555

Email:   --

Register Time:  2018-03-04 21:59:22

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