Add Two NumbersLinked ListsAdd Two NumbersProblem 🤔 You have two numbers represented by a linked list, where each node contains a single…Omer GoldbergJanuary 19, 2021 13 min
Letter Combination of a Phone NumberStringsLetter Combination of a Phone NumberProblem 🤔 Given a string containing digits from 2-9 inclusive, return all possible letter…Omer GoldbergJanuary 05, 2021 22 min
One AwayStringsEdit DistanceProblem 🤔 There are 3 types of edits that can be performed on strings: insert a character remove a…Omer GoldbergJanuary 05, 2021 11 min
Palindrome PermutationStringsPalindrome PermutationProblem 🤔 Palindrome Definition a word, phrase, or sequence that reads the same backward as…Omer GoldbergJanuary 05, 2021 8 min
Design a HashMapHash TablesDesign a HashMapProblem 🤔 Design a HashMap without using any built-in hash table libraries. To be specific, your…Omer GoldbergDecember 23, 2020 16 min
Best Time to Buy and Sell StockArraysBest Time to Buy and Sell StockProblem 🤔 Say you have an array for which the i -th element is the price of a given stock on day i…Omer GoldbergDecember 20, 2020 14 min