Challenge No. 199: Extract part no.
Solved using: Python.
Insert Dashes After N Characters
Challenge No. 460: Insert the dashes after every N characters.
Solved using: Excel VBA.
Next Perfect Square Finder
Challenge No. 459: Find the next perfect square numbers.
Solved using: Excel VBA.
Monthly Running Max Total
Challenge No. 198: Find the running total on the basis of max value for the month.
Solved using: Python.
Longest Uppercase Substring
Challenge No. 458: Extract the substrings which have longest sequence of capital (uppercase) letters in given words.
Solved using: Python.
Extract Numbers in Parentheses
Challenge No. 457: Extract the numbers if they are within parenthesises.
Solved using: Python in Excel.
Calculate Stock Start End
Challenge No. 197: Work out the Start and End Stock for all line items.
Solved using: R.
Extract Special Characters Only
Challenge No. 456: Extract special characters from given strings.
Solved using: R.
Group Per Month
Challenge No. 60: Group the customers per month.
Solved using: Python.
Identify Anti-Perfect Numbers
Challenge No. 455: Anti perfect number is that number where number is equal to sum of reverse of its perfect divisors’ digits.
Solved using: Python in Excel.