what do u mean by every other element?
Asif, it means an index like: 1,0,1,0,1,0,1,0 ...
Finding Perfect Squares
Sums with Excluded Digits
Better bullseye matrix
How long is the longest prime diagonal?
We love vectorized solutions. Problem 1 : remove the row average.
Lights Out 11 - 5x5, with wrapping, x moves
Rumis Scorer 1
Divisible by 7
Lights Out 10 - 5x5, with wrapping, 6 moves
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