amanmeghrajani

/* Author - Aman Meghrajani - amanmeghrajaniatgmaildotcom */

/* Remove Duplicates in a Singly Linked List
   Input  - head Node of SinglyLinkedList
   Output - void
   Notes  - We will cache all elements that occur once and remove them if they occur again

*/

function removeDuplicates (head) {

amanmeghrajani

// takes O(log(n) base 2 + 1) iterations where 2 ^ n is the closest to array.count 
// example 10 is closest to 2^3 which will take 3 + 1 iterations to find an element in the worst case scenario


  func iterativeBinarySearch (_ array: [Int],_ key: Int) -> Int? {
        var low = 0;
        var high = array.count - 1
        var mid : Int;
        // var iterations = 0;

amanmeghrajani

const getHumanizedDateTime = (yyyymmddhhmmss) => {
    let components = yyyymmddhhmmss.split('');
    let year       = components.splice(0,4).join('');
    let month      = components.splice(0,2).join('');
    let day        = components.splice(0,2).join('');
    let hour       = components.splice(0,2).join('');
    let minute     = components.splice(0,2).join('');
    let second     = components.join('');
    let humanized  = `${month}/${day}/${year} - ${hour}:${minute}:${second}`;
    console.log(humanized);

amanmeghrajani

/* Author Aman Meghrajani - amanmeghrajaniatgmaildotcom */
/* Function to find the longest unique path in a Given BST with O(n) complexity */



/*
Utility Function - _longestUniquePath 
Input            - Tree object and a cache object to store path count
Output           - Maximum Path count

amanmeghrajani

// Formatted YYYYMMDDHHMMSS Int for timestamp calculation without needing any extra libs

const getFormattedDateTime = (dateObj) => {
let verifyDoubleDigits  = (vals) => vals.map(val => val.length === 1 ? "0" + val : val)
let date                = dateObj && dateObj.getMonth === 'function' ? datObj : new Date()
let year                = date.getFullYear() .toString()
let month               = (date.getMonth()+1).toString()
let day                 = date.getDate()     .toString()
let hour                = date.getHours()    .toString()
let minutes             = date.getMinutes()  .toString()