Given a string x, return the sum of all ASCII numbers of all characters.
for example, if x='lala' ('l'-> 108, 'a'->97) then y = 108+97+108+97
Return the 3n+1 sequence for n
Back to basics 5 - Clipboard
Back to basics 14 - Keywords
06 - Matrix Equations 2
vector to string
Odd times 3
How many complete pizzas
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