Guess the password or break the lock.
And this problem is much easier than others you solved here!! ;-)
Sorry, I was tempted by the 'break the lock' part... :)
Find all elements less than 0 or greater than 10 and replace them with NaN
Counting in Finnish
Duplicate each element of a vector.
Pancakes for everyone!
Another colon problem
Best Problem Elections
Arithmetic/geometric sequence, 50/50
Cut an orange
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