Topological SortGraphsIs Course Schedule Possible?Problem 🤔 There are a total of numCourses courses you have to take, labeled from 0 to numCourses-…Omer GoldbergDecember 20, 2020 19 min
Merge K Sorted ListsSorting and SearchingMerge K Sorted ListsProblem 🤔 You are given an array of k linked-lists lists, each linked-list is sorted in ascending…Omer GoldbergDecember 20, 2020 14 min
Sum ArrayRecursionSum Array RecursivelyIntro This is a warm up for the recursive problems we'll work on later :) In this problem we want to…Omer GoldbergDecember 20, 2020 5 min
Isomorphic StringsHash TablesAre String Isomorphic?Challenge 🤔 Given two strings s and t, determine if they are isomorphic. Two strings are isomorphic…Omer GoldbergDecember 09, 2020 9 min
Two Sum ProblemArraysTwo SumProblem 🤔 Given an array of integers nums and an integer target, return indices of the two numbers…Omer GoldbergDecember 05, 2020 10 min
Find Min && Max in BSTBinary Search TreesFind Min and Max Elements in Binary Search TreeProblem 🤔 This is a warm up problem for binary search trees. Let's write an algorithm to find the…Omer GoldbergDecember 05, 2020 8 min