Question: ALGORITHM Q ( n ) / / Input: A positive integer n if n = 1 then return 1 else return Q ( n -

ALGORITHM Q(n)
// Input: A positive integer n
if n=1 then
return 1
else
return Q(n-1)+2**n-1
In the worst case, the time efficiency class of Q algorithm in terms of "big-O"
notation is:
Select one:
a.O(n2)
 ALGORITHM Q(n) // Input: A positive integer n if n=1 then

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