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Indexed Capitalization in Java

October 17, 2021

Java

The challenge Given a string and an array of integers representing indices, capitalize all letters at the given indices.

How to Spacify a String in Java

October 16, 2021

Java

The challenge Modify the spacify function so that it returns the given string with spaces inserted between each character.

How to Find the Last Digit of a Huge Number in Golang

October 15, 2021

The challenge For a given list [x1, x2, x3, ..., xn] compute the last (decimal) digit of x1 ^ (x2 ^ (x3 ^ (.

Find the Maximum Length Difference between Lists/Arrays in Python

October 14, 2021

Python

The challenge You are given two arrays a1 and a2 of strings.

How to Circularly Sort an Array in Golang

October 13, 2021

The challenge An array is circularly sorted if the elements are sorted in ascending order but displaced, or rotated, by any number of steps.

Largest Number Groupings in String in Python

October 12, 2021

Python

The challenge You are be given a string that has lowercase letters and numbers.

How to Alternate String Casing in Golang

October 11, 2021

The challenge Write a function toWeirdCase (weirdcase in Ruby) that accepts a string, and returns the same string with all even indexed characters in each word uppercased, and all odd indexed characters in each word lowercased.

How to Sort a List of Numbers in Python

October 10, 2021

Python

The challenge Finish the solution so that it sorts the passed-in array/list of numbers.

How to Validate Usernames with Regex in Java

October 9, 2021

Java

The challenge Write a simple regex to validate a username. Allowed characters are:

Sort Lexicographical Order of Substrings in Java

October 8, 2021

Java

The challenge Given two arrays of strings a1 and a2 return a sorted array r in lexicographical order of the strings of a1 which are substrings of strings of a2.