How would I check and print a message saying no matches found for barcode? I have a default message for Invalid Input for the "Q" case, but I am trying to print a message saying no matches found within the case for individual registration if it doesn't match the barcode.

While counting sort appears to have the best runtime, it is seldom ever implemented. Why is this the case? What is it about the algorithm that makes it practically undesirable? Be sure to back up your claims with relevant analysis and mathematical arguments.

I need a nice flow chart that does the following: One scenario that may require the use of both a "for" loop and a "while" loop is when dealing with data that has a known length or size, but requires a conditional check to determine when to stop iterating. For example, let's consider a scenario where you have a list of numbers and you want to find the first occurrence of a specific number. You know the length of the list, so you can use a "for" loop to iterate through each element. However, you need to use a "while" loop within the "for" loop to check if the current element matches the desired number. If a match is found, the "while" loop can break, and you can exit the "for" loop.   Please and thank you <3

Let's revisit our first problem, where we want to set up a series of chess matches so we can rank six players in our class. As we did before, we will assume that everyone keeps their chess rating a private secret; however, when two players have a chess match, the person with the higher rating wins 100% of the time. But this time, we are only interested in identifying the BEST of these six players and the WORST of these six players. (We don't care about the relative ordering or ranking of the middle four players.) Your goal is to devise a comparison-based algorithm that is guaranteed to identify the player with the highest rating and the player with the lowest rating. Because you are very strong at Algorithm Design, you know how to do this in the most efficient way. Here are five statements. A. There exists an algorithm to solve this problem using 6 matches, but there does not exist an algorithm using only 5 matches. B. There exists an algorithm to solve this problem using 7 matches,…