Go

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… Read More »How to Alternate String Casing in Golang

The challenge Create a function that takes a Roman numeral as its argument and returns its value as a numeric decimal integer. You don’t need… Read More »Roman Numerals Decoder in Golang

The challenge Clock shows h hours, m minutes and s seconds after midnight. Your task is to write a function that returns the time since midnight in milliseconds. Example: Input constraints:… Read More »How to Subtract from Time in Golang

The challenge Write a function that takes an integer as input, and returns the number of bits that are equal to one in the binary… Read More »Bit Counting in Golang

The challenge Find the next higher number (int) with same ‘1’- Bits. I.e. as much 1 bits as before and output next higher than input. Input is… Read More »How to Find Next Higher Number with Same Bits in Golang

The challenge Write a function named first_non_repeating_letter that takes a string input, and returns the first character that is not repeated anywhere in the string. For example,… Read More »How to Find the First Non-Repeating Character in Golang

The challenge Return the last digit of the nth element in the Fibonacci sequence (starting with 1,1, to be extra clear, not with 0,1 or… Read More »How to Find the Last Fibonacci Digit in Golang

The challenge Write an algorithm that will identify valid IPv4 addresses in dot-decimal format. IPs should be considered valid if they consist of four octets,… Read More »How to Validate an IP Address in Golang

Fmt provides printing to standard output (usually the console) and formatting of strings capabilities. The basics of Print and Println The main difference between fmt.Print… Read More »Formatting Strings with Fmt in Golang

Reading from “standard input” is really useful if you are making a command-line application and require user input. First setup a new bufio reader, then… Read More »How to Read from Standard Input in Golang

The challenge Create a function that repeats each character by the amount of it’s index value of the original string. Examples: The parameter of accum… Read More »How to Repeat by String Index in Golang

The challenge You are given two interior angles (in degrees) of a triangle. Write a function to return the 3rd. Note: only positive integers will… Read More »Calculate the Third Angle of a Triangle in Go

The challenge In this challenge, your function receives an array of integers as input. Your task is to determine whether the numbers are in ascending… Read More »How to Detect if Numbers are in Order in Golang

The challenge Given a string, capitalize the letters that occupy even indexes and odd indexes separately, and return as shown below. Index 0 will be considered even.… Read More »Alternate Capitalization in Golang

The challenge Create a method IsUpperCase to see whether the string is ALL CAPS. For example: In this challenge, a string is said to be in ALL… Read More »Check if a String is Uppercase in Golang

In Go, there are multiple ways to make a string UpperCase, each of them are by using the strings package. Option 1 (strings.ToUpper): func ToUpper(str… Read More »How to UpperCase a String in Golang

The challenge Given a string of words, return the length of the shortest word(s). The input string will never be empty and you do not… Read More »Return the Shortest Words in Golang

The challenge Your goal is to return multiplication table for number that is always an integer from 1 to 10. For example, a multiplication table (string) for number… Read More »Creating a Multiplication Table for a Number in Golang

The challenge Remove the left-most duplicates from a list of integers and return the result. The solution in Golang Option 1: Option 2: Option 3:… Read More »How to Remove Duplicates in an Array in Golang

The challenge All we eat is water and dry matter. John bought potatoes: their weight is 100 kilograms. Potatoes contain water and dry matter. The… Read More »How to Dry Potatoes in Golang

The challenge The input is a string str of digits. Cut the string into chunks (a chunk here is a substring of the initial string) of size sz (ignore… Read More »How to Reverse or Rotate in Golang

The challenge Given a month as an integer from 1 to 12, return to which quarter of the year it belongs as an integer number.… Read More »Get which Quarter of the Year in Golang