Q5Numerical3 Marks10 May 2026
Fill in the blank with the missing expression so that the following conditions hold: f(2) = 1, f(3) = 1, f(4) = 2
```
def f(n):
if n < 2:
return n
return f(n//2) + f(n//__)
```
What should replace the blank? Enter an integer as your answer.
Press Enter to check.