Challenge No. 678: Find first 50 numbers (at least 2 digits) where
1.
Solved using: Python.
MAP
Applies a function to each element of one or more arrays in Excel.
Cube With Equal Digits
Challenge No. 659: Find those 2 digits to 5 digits numbers whose cube results into numbers where frequency of appearing digits are same.
Solved using: Python.
Largest Alternating Digit Substring
Challenge No. 657: Find the largest substring number which has alternating odd/even or even/odd digits.
Solved using: R.
Find Project Critical Path
Challenge No. 656: This challenge is contributed by Abdelrahman Omer, MBA, PMP
Find the critical path and its duration for this project.
Solved using: Python.
Detect Sequence Direction
Challenge No. 655: Find whether a sequence is increasing (I), decreasing (D) or neither of these (N).
Solved using: Python.
Swap Number Sequences
Challenge No. 643: Replace next set of numbers with previous set of numbers and first set of numbers will be replaced by last set of numbers.
Solved using: Python in Excel.
Insert Dashes for Nonconsecutives
Challenge No. 637: Given alphanumeric strings, insert a dash if two characters are not consecutive in increasing order.
Solved using: Python in Excel.
Compare Unique Array Elements
Challenge No. 634: Starting the week on a comfortable note.
Solved using: R.
Encrypt Words with Random Characters
Challenge No. 633: Encrypt the given words with following rules
1.
Solved using: Python.
Toggle Arithmetic Operation Signs
Challenge No. 629: If a number is preceded by + or -, change + to – and – to +.
Solved using: Python.