Checking the Validity of a Sudoku Grid
Implementing an isValidSudoku function that takes a matrix representing a Sudoku grid as inputs and returns true if it is valid and false otherwise
Neetcode-150
Building a Product Array without the Element Itself
Implementing a productExceptSelf function that returns an array of products of all the elements without the element at the same index in input array
Finding Most Frequent Elements in an Array
Implementing a topKFrequent(nums, k) function that takes an array of integers and a value k as inputs and returns top k most frequent elements.
Group Anagrams in an Array
Implementing a groupAnagrams function that takes an array of strings as input and returns another array with anagrams grouped together
Finding Elements in an Array that Sum Up to a Target Value
Implementing a twoSums(nums, targetValue) function that returns the indices of two elements in nums which could be summed up to the targetValue