Calculate the sum of two numbers.

Convert minutes to seconds

Retrieve the first element from a non-empty array

Determine if the sum of two numbers is less than 42

Calculate the total fuel needed for a space journey, based on the distance and a minimum fuel reserve requirement

Check if two strings have the same length

Determine if the length of a given string is a multiple of three

Retrieve the last element from a non-empty array

Find the absolute value of a given number

Find the index of a given target value in an array

Convert a time given in hours and minutes to its equivalent in seconds

Concatenate two strings representing a first name and a last name, separated by a space

Combine the elements of two arrays into a new array

Determine if a given number is present in an array of integers

Determine if the last character of a string is 'C' or 'Q', case-insensitive

Filter out elements from an array that are outside a specified range

Create a new array by adding one to each element of the given array

Count how many times a specific character appears in a given string

Reverse the order of elements in an array of integers

Remove the first N characters from a given string. If N exceeds the length of the string, return an empty string

Count the number of words in a given string

Determine if a given string contains one or more spaces

Create a new string by repeating a given string a specified number of times

Create a new string by concatenating the first and last characters of the given string

Count the number of vowels in a given string

Identify the common elements between two arrays

Determine if the average of an array of integers is a whole number

Compute the factorial of a number using recursion

Find the starting index of a substring within a string

Find the character that is present in the modified string but not in the original string

Add two non-negative numbers represented as strings without using built-in conversion functions

Calculate the binary complement of a given number

Determine if it's possible to dock all new boats without adjacent placements

Find self-dividing numbers within a given range

Find the indices of the two numbers in an array that add up to a specific target sum

Calculate the total fuel required for an advanced spaceship

Convert a timecode string in the format hh:mm:ss to total seconds

Check if a given number is a 'happy' number

Determine if a number is a power of two

Determine if a string of words follows a given pattern

Check if a word uses capital letters correctly

Check if a student's attendance record qualifies for an award

Merge two sorted arrays into one sorted array

Find the minimum XOR value that can be obtained from pairing elements in an array

Determine if one string is an anagram of another

Reverse characters of each word in a sentence

Check if a sequence of moves returns the sailboat to the origin

Find the pivot index where left and right sums are equal

Add an integer to an array-form number