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RobPratt

  • Senior R&D Manager, SAS Institute Inc.
  • Ph.D. in Operations Research, The University of North Carolina at Chapel Hill
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  • Member for 4 months
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  • Last seen 1 hour ago

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25 A COVID-19 puzzle: How large a class do you need to fit 30 pupils? May 22
22 What node does 11 point to? Apr 22
20 A rook's tour of the chessboard Jan 29
19 How many ways can you find the word DIAMOND in this diamond? May 26
19 A Rook's Territory in the Chessboard May 20
13 Knights attacking exactly three knights Mar 10
9 What's the graph relation? #3 May 15
8 Making longest line in 10 by 10 grid Mar 24
7 The farmer and the olive trees May 23
5 New maths puzzle May 10
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