A monotonic array is an array whose elements, from left to right, are entirely non-increasing, or entirely non-decreasing. Return true if the given ar...
Sorted Squared Array
Given an array of integers A sorted in non-decreasing order, return an array of the squares of each number, also in sorted non-decreasing order.
Given a 2D matrix of numbers, return a spiral traversal of the matrix in the clockwise direction.
Three Number Sum
Given an array of integers, find three integers in the array that sum to a specific target number.
Given an array (that can have nested arrays) - return the sum of all the numbers in the array. If nested array is encountered, recursively add the num...
Non Repeating First Character
Given a string of characters, return the index of the first non-repeating character.
Select All Checkboxes
Given a `Select All` checkbox - toggle the children's checkboxes in such a way that when the `select all` button is clicked, all the boxes are checked...
Given an array of sorted integers in ascending order, and a target integer, write a function to search target in nums array. If target exists, return ...
Maximum Subset Sum With No Adjacent
Given an array of POSITIVE INTEGERS, find the greatest sum that can be generated without adding 2 numbers positioned next to each other.
Given two arrays of integers, find the pair of values (one value in each array) with the smallest (non-negative) difference.
Given an array of integers and a target value, move all instances of that target value to the end end of the array. The order of the resulting array d...
Minimum Number Of Coins To Make Change
Given an array of coins or denominations and a target sum, calculate the minimum number of coins required to match the total. Note that the coins arra...
Given an integer n, return the nth Fibonacci number. In mathematics, the Fibonacci numbers form a sequence called the Fibonacci sequence - In which ea...