How to Find First and Last Position of Element in Sorted Array?
Given a sorted arrays with integers and a target to locate, find the first and last position of the element in the sorted array. Example: Input: nums = , …
The Javascript Function to Check Any Two Sets Are the Same
Two sets are considered same if they contain the same elements which may be of different orders, for example and are the same. In Javascript (ES6) the Set data …
How to Flatten Javascript Arrays?
Given an array in Javascript, Flatten its elements so it becomes one-dimension. For example, flatten(, 3, 4], 5]) becomes . In ES6, you can use the array.Prototype.flatten method which …
How to Implement a Safe Data Get Function in Javascript?
In Javascript, given object var x = {a: {b: {c: “value”} } }, we can retrieve/access the field by x.a.b.c However, if a field doesn’t exist, exception will be …
How to Check If Two Arrays are Similar in PHP?
Given two variables in PHP, write a simple function to check if they are similar arrays. Two arrays are similar if they are of same sizes and contain the …
How to Break Integers (StairCases) using Dynamic Programming?
Given an integer N, find out the number of method to sum up to N by integers given the following requirements: Natural Numbers (Postive Integers) need to be strictly …