Before checking the solution, write actual code. Does your QUICKSORT implementation sort correctly? If yes, you have already solved 70% of the problem.
A: CLRS is used in hundreds of universities for graded homework. If official solutions were public, professors could not assign problems. The instructors' manual is deliberately restricted to preserve pedagogical value. introduction to algorithms 4th edition solutions github
Publishers like MIT Press actively scan for and send DMCA takedown notices to GitHub. You may find a repository today that disappears tomorrow. This is frustrating but legal. Before checking the solution, write actual code