very cool question: learn some new tricks, and get 10 points, why not?!
Hint to spare the pain : string(NaN)==
7 segment LED display
Back to basics 3 - Temp Directory
letter yes yes & letter no no
Find out sum and carry of Binary adder
Find the 9's Complement
Words Count: A String Array Approach
Combine the first and last names
Histogram of histogram
Fast 1-D Convolution (full shape)
Moving Product (Easy)
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