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caesarian
Caesarian shift (Caesar cipher) is a method used in cryptography where a string message is encrypted by…
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chainNames
You're given an array of names, where each name is given as a string. Your task…
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moreTimesLess
Some positive integers can be written as the difference of the squares of 2 positive integers,…
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nearSquare
You're given a positive integer n. Your task is to represent this number as a product…
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emirpMinion
Emirp is prime spelled backwards. A number is emirp if both the number itself and the same number…
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maxBits
Given an integer n, find the largest positive integer that has the same number of 0s and 1s…
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repetitionFree
A repetition free number is one in which each digit in the range [1, 9] appears at most once…
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luckyAndPrime2
Recently Lucky learnt how to check if the given number is prime or not. Bunny,…
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factorialCount
A factorial number is such a number that can be written as k! and is equal to the product…
