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yu zhang

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not bad man

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math

840Rank
3Badges
390Score

yu zhang submitted Solution 337096 to Problem 167. Pizza!

on 22 Oct 2013

yu zhang received Commenter badge for Problem 149. Is my wife right?

on 22 Oct 2013

yu zhang submitted a Comment to Problem 149. Is my wife right?

Good problem, but I doubt its meaning.

on 22 Oct 2013

yu zhang received Promoter badge for Problem 76. De-dupe

on 22 Oct 2013

yu zhang liked Problem 76. De-dupe

on 22 Oct 2013

yu zhang submitted Solution 337092 to Problem 76. De-dupe

on 22 Oct 2013

yu zhang submitted Solution 336472 to Problem 7. Column Removal

on 21 Oct 2013

yu zhang received Solver badge for Solution 336469

on 21 Oct 2013