Anyone has suggestions on a clean way of doing this?
How can I get rid of the for-loop?
Replace the for-loop simply by: y = yy - '0' , or by: y = yy - 48 .
Alphabetize by last name
7 segment LED display
Set the array elements whose value is 13 to 0
We love vectorized solutions. Problem 1 : remove the row average.
Length of a short side
Tune your guitar
Flip the bit
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