Challenge No. 618: Today’s challenge is contributed by Abdelrahman Omer, MBA, PMP.
Solved using: Python.
Find First Palintiple Numbers
Challenge No. 617: Take a number n and reverse it to get a number r.
Solved using: Excel VBA.
Rank Cities by Percent Change
Challenge No. 615: List the top 3 cities where sum of %change from 2020 to 2021 and 2021 to 2022 is the highest.
Solved using: Python.
Count Consecutive Number Repeats
Challenge No. 614: Today’s challenge is contributed by Mehmet Çiçek.
Solved using: R.
Generate Sum of Digits Sequence
Challenge No. 613: Sum of Digits Sequence – It starts with 1 and every succeeding term is sum of all digits appearing previously.
Solved using: Excel VBA.
Match Names with Same Initials
Challenge No. 612: List the names if first character of first name and first character of last name are same.
Solved using: Python.
Find Maximum N-Digit Grid Number
Challenge No. 611: Find the N digit maximum number in given 6×6 grid either rows (left to right) or columns (top to down).
Solved using: Python.
Count Unique Uncommon Words
Challenge No. 610: Find the number of un-common unique words between Sentence1 and Sentence2.
Solved using: Python.
Find Missing AP Sequence
Challenge No. 609: The first and last terms in an Arithmetic Progressions (AP) are given in each row.
Solved using: Python in Excel.
Extract Zip and Country Info
Challenge No. 608: Extract zip code (5 or 6 digits in length) and country names.
Solved using: Python.
