- Find the count of sub-strings whose characters can be rearranged to form the given word
- Count the number of currency notes needed
- Count of elements whose absolute difference with the sum of all the other elements is greater than k
- Count the pairs of vowels in the given string
- Calculate the loss incurred in selling the given items at discounted price
- Maximum absolute difference in an array
- Find out the minimum number of coins required to pay total amount
- Find sum of factorials in an array
- Number of character corrections in the given strings to make them equal
- Reorder the position of the words in alphabetical order
- Count the number of digits of palindrome numbers in an array
- Sum of all palindrome numbers present in an Array
- Number of 0s and 1s at prime positions in the given array
- Sum of all perfect numbers present in an array
- Sum of all mersenne numbers present in an array

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