The books solution, is definitely cleaner, and the biggest difference I can see is the books solution is actually sorting the variables, rather than just changing the display order. In terms of efficiency, displaying stuff to the console is more efficient than popping up message boxes.
A Dr. Sharmila Anandasabapathy, MD , Gastroenterology, answered on behalf of The Mount Sinai Health System. Colon cancer is very curable and survivable provided detection is early. In this video, Sharmila Anandasabapathy, MD, a gastroenterologist, explains that later detection can result in lower survivability rates.
In the past decade, CRC has emerged as one of the most preventable common cancers. This publication provides information about colorectal cancer, including statistics on cancer occurrence, as well as information about risk factors, prevention, early detection, and treatment.