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hcx2012
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hcx2012
China
China
Joined Jan 13, 2026
OverviewPosts
Problems2
Submissions2
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2021
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2022
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2023
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2024
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2025
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2026
hcx2012 solved problem Summer (#10836) on first attempt19 ngày trước
hcx2012 solved problem Professor and balloons (#9405) on first attempt19 ngày trước
hcx2012 has joined contest Educational Round #619 ngày trước