Tech-Interview-Prep

Easy

  • AddBinary
  • BestTimeToBuyAndSellStock
  • BinaryTreeInorderTraversal
  • ClimbingStairs
  • ContainsDuplicateII
  • ConvertSortedArrayToBST
  • FindTheIndexOfTheFirstOccurrenceInAString
  • FirstUniqueCharacterInAString
  • FizzBuzz
  • HappyNumber
  • IntersectionOfTwoArraysII
  • IntersectionOfTwoLinkedLists
  • InvertBinaryTree
  • IsSubsequence
  • IsomorphicStrings
  • LengthOfLastWord
  • LinkedListCycle
  • LongestCommonPrefix
  • MajorityElement
  • MaximumDepthOfBinaryTree
  • MergeSortedArray
  • MergeTwoSortedLists
  • MissingNumber
  • PalindromeLinkedList
  • PalindromeNumber
  • PascalsTriangle
  • PlusOne
  • PowerOfThree
  • RansomNote
  • RemoveElement
  • ReverseLinkedList
  • ReverseString
  • RomanToInteger
  • SameTree
  • Sqrtx
  • SummaryRanges
  • SymmetricTree
  • TwoSum
  • ValidAnagram
  • ValidPalindrome
  • ValidParentheses
  • WordPattern

Medium

  • AddTwoNumbers
  • BinaryTreeLevelOrderTraversal
  • BinaryTreeZigzagLevelOrderTraversal
  • BitwiseANDOfNumbersRange
  • ConstructBinaryTreeFromPreorderAndInorderTraversal
  • ContainerWithMostWater
  • CountAndSay
  • CountPrimes
  • DeleteNodeInALinkedList
  • DivideTwoIntegers
  • FindFirstAndLastPositionOfElementInSortedArray
  • GameOfLife
  • GasStation
  • GenerateParentheses
  • GroupAnagrams
  • HIndex
  • InsertDeleteGetRandomO1
  • IntegerToRoman
  • JumpGame
  • LRUCache
  • LengthOfLongestSubstring
  • LetterCombinationsOfAPhoneNumber
  • LongestPalindromicSubstring
  • MaximumSubarray
  • MergeIntervals
  • Permutations
  • Pow
  • ProductOfArrayExceptSelf
  • RemoveDuplicatesFromSortedArrayII
  • RemoveNthNodeFromEndOfList
  • ReverseInteger
  • ReverseWordsInAString
  • RotateImage
  • SearchInRotatedArray
  • SetMatrixZeroes
  • SingleNumberII
  • SortList
  • StringToInteger
  • Subsets
  • ThreeSum
  • Tries
  • TwoSumII
  • ValidSudoku
  • ZigZagConversion

Hard

  • MergeKSortedLists
Tech-Interview-Prep
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