Answer 1

narges ghanbari
for value of n between 2 to 4 ,
runs 2*2-1 times
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for value of n between 4 to 8,
runs 4*2-1 times,
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for value of between 8 to 16,
runs 8*2-1 times and so on.
Check the following code,
https://code.sololearn.com/cs84pomT48n1/?ref=app