Haoyu Dai
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Haoyu Dai's Badges
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Promoter 30 Apr 2020Like a problem or solution
Awarded to Haoyu Dai on 30 Apr 2020
Commenter 30 Apr 2020Comment on a problem or solution
Awarded to Haoyu Dai on 30 Apr 2020
Solver 27 Apr 2020Solve a problem for the first time
Awarded to Haoyu Dai on 27 Apr 2020
Cody Badges
AllPromoter 30 Apr 2020Commenter 30 Apr 2020Solver 27 Apr 2020
Like a problem or solution
Awarded to Haoyu Dai on 30 Apr 2020
Comment on a problem or solution
Awarded to Haoyu Dai on 30 Apr 2020
Solve a problem for the first time
Awarded to Haoyu Dai on 27 Apr 2020
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