User name:  17110906046

Nick name:  sss-01-地信1702-17110906046张庆昆

School:  山东理工大学

College:  建筑工程学院

Major:  地理信息科学

Class:  地信1702

Solved:  365

Submissions:  1097

AC Ratio:  33.27%

Rank:  501

Email:   --

Register Time:  2017-10-27 09:42:04

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