The Traveling Purchaser Problem with Promotional Packages (TPP-PP) problem set, and best-found solutions

This file pack represents the supplemental data of the study "The Traveling Purchaser Problem with Promotional Packages " introduced by I. Kucukoglu. Files include the data of the TPP-PP instances and the details of the computational results obtained by the proposed algorithm in the related study. Description of the files is given in a "readme.txt" file for both the problem and solution files.