2. f :
n
3. m :
n
4. k :
n
5.
m = k
6.
x:n. x = m 
x = k f(x) = 0
7. sum(f(x) | x < n) = f(m)+sum(if x=
m
0 else f(x) fi | x < n)
8. x :
n
9.
x = k
if x=m 0 else f(x) fi = 0
n
n
n
m = k
x:n. x = m x = k f(x) = 0
m 0 else f(x) fi | x < n)
n
x = k
if x=m 0 else f(x) fi = 0| By: |
|
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