WebJun 5, 2024 · Country codes SQL solution SELECT a.customer_id,a.name,concat ("+",b.country_code,a.phone_number) FROM customers as a LEFT join country_codes as b ON a.country=b.country ORDER BY a.customer_id; Student Advisor SQL solution in MYSQL Web3 sam 99912222 tom 11122222 harry 12299933 sam edward harry Sample Output sam=99912222 Not found harry=12299933 Explanation We add the following (Key,Value) pairs to our map so it looks like this: We then process each query and print key=value if the queried is found in the map; otherwise, we print Not found. Query 0: sam
Validating phone numbers Hackerrank solution - CodeSagar
WebApr 11, 2024 · Go to the Extensions tab on the left-hand side of the VS Code window. Search for GitHub Copilot and click the Install button; it should be the first of the search results. Once installation is complete, a pop-up will appear asking you to sign up for GitHub Copilot. Click on the Signup for GitHub Copilot button. WebDec 8, 2024 · [Country code]-[Local Area Code]–[Number] There might either be a ‘-‘ ( ascii value 45), or a ‘ ‘ ( space, ascii value 32) between the segments Where the country and local area codes can have 1-3 numerals each and the number section can … tax return recovery rebate credit
Hackerrank Day 8 Dictionaries and maps 30 days of code solution
WebJan 17, 2024 · In this HackerRank Day 8 Dictionaries and maps 30 days of code problem you have Given n names and phone numbers, assemble a phone book that maps friends' names to their respective phone numbers. You will then be given an unknown number of names to query your phone book for. Web+91 xxxxx xxxxx The given mobile numbers may have +91 , 91 or 0 written before the actual 10 digit number. Alternatively, there may not be any prefix at all. Input Format The first line of input contains an integer N, the number of mobile phone numbers. N lines follow each containing a mobile number. Output Format Web0404 999 999 is a valid Australian number. (02) 9999 9999 is also a valid Australian number. (09) 9999 9999 is not a valid Australian number. A regular expression is fine for checking … tax return refund advance