Help me in solving LCPPCL67 problem

My issue

Consider a partition of the domain
(
0
,
L
)
(0,L) into
n
e
l
n
el

elements for which the weak form is written as an integral over
(
0
,
L
)
(0,L). How many sub-integrals can the weak form be broken up into?
cout << c;

Learning course: Learn C++
Problem Link: Rearrange Code in C++