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metric methods in computer sience question does the following solution is a true solution to the problem in the picture if yes please provide a

metric methods in computer sience question
does the following solution is a true solution to the problem in the picture
if yes please provide a full proof of approximation gurantee
the proof should be fully formal explaining each step and in a very clear way
the solution:
As in the hint I will use the \alpha -approximation for Max-Cut as a black box to solve the Maximum Linear Arrangement problem.
Algorithm:
Take the input graph G and run the Max-Cut \alpha -approximation algorithm , To split the vertices into two disjoint sets, V and V, let C be the cut that results.
2. Using the labels that were acquired from the Max-Cut algorithm, sort the vertices in V and V.(For example, let V1={v,...,vi} and V2={u,...,uj})
.3. Beginning with V, assign locations to each vertex in V and V in turn. For instance, give the vertices in V and V the locations {1,3,5,...,2k1} and {2,4,6,...,2m} respectively.
4. Determine the total edge length using the linear configuration established by the points given in step 3: Total_length is equal to \Sigma (u,v) in E|\pi (u)\pi (v)|.
thank you
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