length!! and not "not isempty"... good point!
Make an awesome ramp for a tiny motorcycle stuntman
Wrapping the Tower of Pisa
Rotate input square matrix 90 degrees CCW without rot90
Check if number exists in vector
Slicing the cube
Can you beat the lottery again (for hardcore coder) ?
BLOCK x3 (Version 3)
Magic is simple (for beginners)
Longest Collatz Sequence
What is the scope of variables in Matlab ?
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