Select the best candidates, that is for minimizing problems to the minimum cost, and
maximizing profit to the maxumum cost. Therefore, this step can be done by electing the
best two candidates in each row. If the candidate repeated more than two times, then the
candidate should be elected again. As well as ,the columns must be checked such that if it is not have candidates so that the candidates will be elected for them. However, if the
candidate is repeated more than one time, the elect it again.