Reverse a string5Intermediary
5
Intermediary
Reverse a string
Reverse a string
Merge Two Sorted Arrays5Intermediary
5
Intermediary
Write a function that merges two sorted arrays into a single sorted array.
N-Queens Problem5Intermediary
5
Intermediary
Write a function that returns the number of possible solutions to the N-Queens problem.
Merge Sort5Intermediary
5
Intermediary
Implement a function that sorts an array using the merge sort algorithm.
Bubble Sort5Intermediary
5
Intermediary
Implement a function that sorts an array using the bubble sort algorithm.
Quick Sort5Intermediary
5
Intermediary
Implement a function that sorts an array using the quick sort algorithm.
Middle Element in Linked List5Intermediary
5
Intermediary
Implement a function to find the middle element of a linked list.
Longest Substring5Intermediary
5
Intermediary
Find the largest chain of characters without repetition.
Find common between lists5Intermediary
5
Intermediary
Give two lists of characters, find the common characters between them.
Palindrome Checker5Intermediary
5
Intermediary
Write a function that checks whether a given string is a palindrome.
Int to Hexadecimal5Intermediary
5
Intermediary
Given an integer, convert it to a hexadecimal representation.
Prime number5Intermediary
5
Intermediary
Given an integer, return true if it's a prime number, false otherwise.
Parent Children Pairs5Intermediary
5
Intermediary
Return individuals with zero and one known parents from a list of parent-child pairs.
Order & filter an array5Intermediary
5
Intermediary
Return the top 3 ids of the lowest value given a single clientId
FizzBuzz5Intermediary
5
Intermediary
A function that logs Fizz for multiples of 3, Buzz for multiples of 5 and FizzBuzz for multiples of both 3 and 5.
Factorial5Intermediary
5
Intermediary
Write a function that computes the factorial of a given number.
Sum of Array5Intermediary
5
Intermediary
Write a function that finds the sum of all elements in an array.
Find the Largest Number in an Array5Intermediary
5
Intermediary
Write a function that finds the largest number in an array.
Reverse an Integer5Intermediary
5
Intermediary
Write a function that reverses an integer.
Remove Duplicates from an Array5Intermediary
5
Intermediary
Write a function that removes duplicate elements from an array.
Check if Two Strings are Anagrams5Intermediary
5
Intermediary
Write a function that checks if two strings are anagrams