02. Fancy Barcodes

Problem 2. Fancy Barcodes

Your first task is to determine if the given sequence of characters is a valid barcode or not.

Each line must not contain anything else but a valid barcode. A barcode is valid when:

Is surrounded with a "@" followed by one or more "#"
Is at least 6 characters long (without the surrounding "@" or "#")
Starts with a capital letter
Contains only letters (lower and upper case) and digits
Ends with a capital letter

Examples of valid barcodes: @#FreshFisH@#, @###Brea0D@###, @##Che46sE@##, @##Che46sE@###

Examples of invalid barcodes: ##InvaliDiteM##, @InvalidIteM@, @#Invalid_IteM@#

Next you have to determine the product group of the item from the barcode. The product group is obtained by concatenating all the digits found in the barcode. If there are no digits present in the barcode, the default product group is "00".

Examples:

@#FreshFisH@# -> product group: 00

@###Brea0D@### -> product group: 0

@##Che4s6E@## -> product group: 46

Input

On the first line you will be given an integer n – the count of barcodes that you will be receiving next.

On the next n lines, you will receive different strings.

Output

For each barcode that you process, you need to print a message.

If the barcode is invalid:

"Invalid barcode"

If the barcode is valid:

"Product group: {product group}"

Input	Output
3 @#FreshFisH@# @###Brea0D@### @##Che4s6E@##	Product group: 00 Product group: 0 Product group: 46
Input	Output
6 @###Val1d1teM@### @#ValidIteM@# ##InvaliDiteM## @InvalidIteM@ @#Invalid_IteM@# @#ValiditeM@#	Product group: 11 Product group: 00 Invalid barcode Invalid barcode Invalid barcode Product group: 00

https://pastebin.com/m2vrfh2h

Кода ми дава 80/100 и не намирам грешката.. Опитах да счупя регекса и всичко друго, но нищо. По аутпут вярно, а Джъдж се сърди. Ще се радвам някой да ми помогне. И знам, че задачата я има по лекциите, ама ми се искаше да си я реша сама. :D

П.С.: Опитах няколко пъти да си едитна табличката с input и output, но нещо не ми се получи. Не съм особено активна във форума - също ще бъда щастлива някой да ме навигира как да пействам адекватни таблици :D

using System; using System.Text.RegularExpressions; namespace ExamPrep_02_FancyBarcodes { class Program { static void Main(string[] args) { int count = int.Parse(Console.ReadLine()); //string pattern = @"(@#+)([A-Z][A-Za-z0-9]{4,}[A-Z])\1"; string pattern = @"^@#+([A-Z][A-Za-z0-9]{4,}[A-Z])@#+$"; // No Backreference Regex barcodeRegex = new Regex(pattern); while (count-- > 0) { string input = Console.ReadLine(); Match match = Regex.Match(input, pattern); if (match.Success) { string productGroup = ""; for (int i = 0; i < match.Value.Length; i++) { if (char.IsDigit(match.Value[i])) { productGroup += match.Value[i]; } } if (productGroup != "") { Console.WriteLine($"Product group: {productGroup}"); } else { Console.WriteLine($"Product group: 00"); } } else { Console.WriteLine("Invalid barcode"); } } } } }