Challenge No. 658: Word Square – A word square is a n x n matrix where row (i) = column (i).
Solved using: Python.
AND
Returns TRUE if all logical tests are TRUE in Excel.
Detect Sequence Direction
Challenge No. 655: Find whether a sequence is increasing (I), decreasing (D) or neither of these (N).
Solved using: Python.
Render a Lamp in ASCII
Challenge No. 577: Make an ASCII lamp. .
Solved using: Python.
Draw ASCII Abacus Display
Challenge No. 553: Draw an ASCII abacus.
Solved using: Python in Excel.
List All Emirp Numbers
Challenge No. 538: An emirp (prime spelled backward = emirp) number is a prime number and its reversal is also a prime number but this is not a palindromic prime.
Solved using: Python in Excel.
Detect Wavy Number Pattern
Challenge No. 474: Wavy numbers – List the numbers where digits alternately get smaller or larger (they should not be equal).
Solved using: Excel VBA.
Evaluate Tic Tac Toe Results
Challenge No. 426: Find the results of given Tic Tac Toe (Noughts and Crosses) boards.
Solved using: Python.
Pivot Table by Agent
Challenge No. 173: Pivot the given table as shown.
Solved using: Python.
List Prime-Surrounded Sandwich Numbers
Challenge No. 405: Sandwich numbers – A number is said to be a Sandwich number if the number prior to it and the number after it, both are primes.
Solved using: Excel VBA.
Validate Point Connectivity Rule
Challenge No. 395: Coordinates for points are given in x, y format.
Solved using: DAX.