Challenge No. 397: Tri Numeral Alphabet Cipher – English alphabets are divided into groups containing 3 alphabets each and last group contain only 2 alphabets i.
Solved using: Python in Excel.
LAMBDA
Creates custom reusable functions in Excel.
Count Inversions in Number Sequence
Challenge No. 396: Let’s say i and j are positions and e(i) and e(j) are elements from the string at that position.
Solved using: Python.
Validate Point Connectivity Rule
Challenge No. 395: Coordinates for points are given in x, y format.
Solved using: DAX.
Fill Missing Months Default
Challenge No. 159: For a give name and year combination, if a month is missing between 1 and 12 then enter that month number with a default sales of 100.
Solved using: Python in Excel.
List Super-Palindrome Numbers
Challenge No. 394: A palindrome number is that which is same even where read backwards.
Solved using: Python in Excel.
Encrypt with Autokey Cipher
Challenge No. 393: AUTOKEY CIPHER – Key is written beneath Plaintext and if key is shorter than Plaintext, then remaining slots beneath Plaintext are filled by letters from Plaintext starting from beginning.
Solved using: R.
Transpose Problem Table Format
Challenge No. 158: Transpose the Problem table into Result table.
Solved using: R.
Reorder Letters by Position Type
Challenge No. 392: Reading from backwards, collect all letters occurring at even positions followed by all letters occurring at odd positions.
Solved using: Python in Excel.
Form Shortest Palindromic Prefix
Challenge No. 391: Find the smallest Palindromes (in length) which can be formed by adding English alphabets before string.
Solved using: Python in Excel.
Generate Axis for Four Quadrants
Challenge No. 389: Generate X and Y axes of all 4 quadrants for value given in A1.
Solved using: R.