Given n as input, generate a n-by-n matrix 'O' using 0 and 1 .
[1 1 1 1
1 0 0 1
1 0 0 1
1 1 1 1]
three solution, all great.
Return the largest number that is adjacent to a zero
Replicate elements in vectors
Free passes for everyone!
Let's get back to school, and create multiplication tables
Prime numbers between a , b.
Find all repeated numbers
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