Challenge No. 233: List all valid names from A2:A11
The criteria for valid names are –
1.
Solved using: Power Query.
LET
Assigns names to values or calculations to simplify formulas in Excel.
Length Of Pattern!
Challenge No. 145: Find the largest length of occurrences of the “++-” pattern across the test IDs for each product.
Solved using:Excel (CONCAT, GROUPBY, LAMBDA), Google Sheets, Power Query (List.Transform, Text.Combine, Table.AddColumn), Python, Python in Excel, and R.
Find Double Base Palindromes
Challenge No. 229: Find all double base Palindrome Numbers.
Solved using: Python in Excel.
Encrypt Using Affine Cipher
Challenge No. 232: Affine Cipher
This is a kind of Caesar’s Cipher.
Solved using: Excel VBA.
Multiply Columns by Factor Dynamically
Challenge No. 73: Multiply Alpha, Beta, Gamma columns with Factor column.
Solved using: Python in Excel.
Classify Deficient Perfect Abundant
Challenge No. 228: Take a positive integer n and add its positive divisors (let’s denote it by S)
Classify the numbers as per given criteria:
If S < 2n = Deficient Number
If S = 2n = Perfect Number
If S > 2n = Abundant Number
Ex.
Solved using: Python in Excel.
First Date Of Months!
Challenge No. 144: From the provided “transactions” table, filter the first transaction for each.
Solved using:Excel (DROP, FILTER, LAMBDA), Google Sheets, Power Query (Date.Month, Table.AddColumn, Table.Group), Python, Python in Excel, and R.
Sort Numbers Leave Text
Challenge No. 226: Sort the numbers in given strings and leave the non numbers as they are.
Solved using: Power Query.
Find Kangaroo and Joey Words
Challenge No. 225: Kangaroo words are those words which contain the other words within themselves.
Solved using: Excel VBA.
Even Result by Position Sum
Challenge No. 224: List the numbers where following result is an even number
Result = Sum of Digits at Odd positions – Sum of Digits at Even positions
Positions start at 1 not at 0.
Solved using: Python in Excel.