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E. Cheynet

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E. Cheynet submitted Solution 600452 to Problem 76. De-dupe

on 22 Mar 2015

E. Cheynet submitted Solution 593356 to Problem 27. Pangrams!

on 7 Mar 2015

E. Cheynet submitted a Comment to Solution 593338

more elegant solution than a loop: Use the LDL decomposition on the bullseye matrix and you will find an interesting L and D matrix. THe D matrix is diagonale and can be built using n only. THe matrix L is the sum of a lower triangular matrix whose lowest part is put to zero using the mirrored triangular matrix. Finally the identity matrix is added :)

on 7 Mar 2015

E. Cheynet received Commenter badge for Solution 593338

on 7 Mar 2015

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