How to Solve Max-Min Arrays in Java
The challenge
You are given an array of unique elements, and your task is to rearrange the values so that the first max value is followed by the first …
Read Article →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
How to Find the Smallest Integer in the Array in Golang
The challenge
Given an array of integers your solution should find the smallest integer.
For example:
- Given
[34, 15, 88, 2]your solution will return …
How to do Basic Encryption in Java
The challenge
The most basic encryption method is to map a char to another char by a certain math rule. Because every char has an ASCII value, we can …
Read Article →Forming Unique Array Combinations in Golang
The challenge
You are given an array of arrays and your task will be to return the number of unique arrays that can be formed by picking exactly one …
Read Article →How to Check if String is a Palindrome in Python
The challenge
Write a function that checks if a given string (case insensitive) is a palindrome.
The solution in Python
Option 1:
def …How to Find the Squares in Java
The challenge
Complete the function that takes an odd integer (0 < n < 1000000) which is the difference between two consecutive perfect squares, …
How to Get Longest Word in Sentence in Java
The challenge
When given a string of space-separated words, return the word with the longest length.
If there are multiple words with the longest …
Read Article →How to Sum all the Integers in a String in Golang
The challenge
Implement a function that calculates the sum of the integers inside a string. For example, in the string …
Read Article →How to Reverse a String in Golang
The challenge
Complete the solution so that it reverses the string passed into it.
'world' => 'dlrow'
'word' => …Maximum Different of Int-Array in Java
The challenge
You must implement a function that returns the difference between the biggest and the smallest value in a list(lst) received as a …
Read Article →Indexed Capitalization in Java
The challenge
Given a string and an array of integers representing indices, capitalize all letters at the given indices.
Example: …
Read Article →How to Spacify a String in Java
The challenge
Modify the spacify function so that it returns the given string with spaces inserted between each character.
spacify("hello …