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RobPratt
  • Member for 2 years, 6 months
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  • Senior R&D Manager, SAS Institute Inc.
  • Ph.D. in Operations Research, The University of North Carolina at Chapel Hill
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All Questions Answers
Score Newest
answer
30
Checkmate 30 kings with rooks
Jun 23
answer
27
Social distancing in a 5x5 room
Nov 4, 2021
answer
24
What node does 11 point to?
Apr 22, 2020
answer
24
A COVID-19 puzzle: How large a class do you need to fit 30 pupils?
May 22, 2020
answer
21
Three queens and two rooks covering the chess board... again!
Feb 8, 2021
answer
20
A rook's tour of the chessboard
Jan 29, 2020
answer
20
Is there way to solve this minesweeper without guessing?
Jul 9
answer
19
How many ways can you find the word DIAMOND in this diamond?
May 26, 2020
answer
19
The Greenhouse Problem
Feb 1, 2021
answer
19
A Rook's Territory in the Chessboard
May 20, 2020
Top network posts
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55
What is the optimal number of dice to roll a Yahtzee in one roll?
39
What is the closed form of the $f$ with $f(1)=1$, $f(2)=7$ and $f(n)=7f(n-1)-12f(n-2)$ ($n\ge 3$)?
23
Is there a generating function for any finite sequence of random numbers?
20
How to linearize the product of two binary variables?
19
Listing all posets on 9 points?

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