Tech Interview Prep!

AddBinary

Problem https://leetcode.com/problems/remove-element/

AddTwoNumbers

Problem https://leetcode.com/problems/add-two-numbers/

BestTimeToBuyAndSellStock

Problem https://leetcode.com/problems/best-time-to-buy-and-sell-stock/

BinaryTreeInorderTraversal

Problem https://leetcode.com/problems/binary-tree-inorder-traversal/

BinaryTreeLevelOrderTraversal

Problem https://leetcode.com/problems/binary-tree-level-order-traversal/

BinaryTreeZigzagLevelOrderTraversal

Problem https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal/

BitwiseANDOfNumbersRange

Problem https://leetcode.com/problems/bitwise-and-of-numbers-range/

ClimbingStairs

Problem https://leetcode.com/problems/climbing-stairs/

ConstructBinaryTreeFromPreorderAndInorderTraversal

Problem https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/

ContainerWithMostWater

Problem https://leetcode.com/problems/container-with-most-water/

ContainsDuplicateII

Problem https://leetcode.com/problems/contains-duplicate-ii/

ConvertSortedArrayToBST

Problem https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/

CountAndSay

Problem https://leetcode.com/problems/count-and-say/

CountPrimes

Problem https://leetcode.com/problems/count-primes/

DeleteNodeInALinkedList

Problem https://leetcode.com/problems/delete-node-in-a-linked-list/

DivideTwoIntegers

Problem https://leetcode.com/problems/divide-two-integers/

FindFirstAndLastPositionOfElementInSortedArray

Problem https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/

FirstUniqueCharacterInAString

Problem https://leetcode.com/problems/first-unique-character-in-a-string/

FizzBuzz

Problem https://leetcode.com/problems/fizz-buzz/

GameOfLife

Problem https://leetcode.com/problems/game-of-life/

GasStation

Problem https://leetcode.com/problems/gas-station/

GenerateParentheses

Problem https://leetcode.com/problems/generate-parentheses/

GroupAnagrams

Problem https://leetcode.com/problems/group-anagrams

HappyNumber

Problem https://leetcode.com/problems/happy-number/

HIndex

Problem https://leetcode.com/problems/h-index/

InsertDeleteGetRandomO1

Problem https://leetcode.com/problems/insert-delete-getrandom-o1/

IntegerToRoman

Problem https://leetcode.com/problems/integer-to-roman/

IntersectionOfTwoArraysII

Problem https://leetcode.com/problems/intersection-of-two-arrays-ii/

IntersectionOfTwoLinkedLists

Problem https://leetcode.com/problems/intersection-of-two-linked-lists/

IsomorphicStrings

Problem https://leetcode.com/problems/isomorphic-strings/

IsSubsequence

Problem https://leetcode.com/problems/is-subsequence/

JumpGame

Problem https://leetcode.com/problems/jump-game/

LengthOfLastWord

Problem https://leetcode.com/problems/length-of-last-word/

LengthOfLongestSubstring

Problem https://leetcode.com/problems/longest-substring-without-repeating-characters/

LetterCombinationsOfAPhoneNumber

Problem https://leetcode.com/problems/letter-combinations-of-a-phone-number/

LinkedListCycle

Problem https://leetcode.com/problems/linked-list-cycle/

LongestCommonPrefix

Problem https://leetcode.com/problems/longest-common-prefix/

LongestPalindromicSubstring

Problem https://leetcode.com/problems/longest-palindromic-substring/

LRUCache

Problem https://leetcode.com/problems/lru-cache/

MajorityElement

Problem https://leetcode.com/problems/majority-element/

MaximumDepthOfBinaryTree

Problem https://leetcode.com/problems/maximum-depth-of-binary-tree/

MaximumSubarray

Problem https://leetcode.com/problems/maximum-subarray/

Merge2SortedLists

Problem https://leetcode.com/problems/merge-two-sorted-lists/

MergeIntervals

Problem https://leetcode.com/problems/merge-intervals/

MergeKSortedLists

Problem https://leetcode.com/problems/merge-k-sorted-lists/

MergeSortedArray

Problem https://leetcode.com/problems/merge-sorted-array/

MissingNumber

Problem https://leetcode.com/problems/missing-number/

PalindromeLinkedList

Problem https://leetcode.com/problems/palindrome-linked-list/

PalindromeNumber

Problem https://leetcode.com/problems/palindrome-number/

PascalsTriangle

Problem https://leetcode.com/problems/pascals-triangle/

Permutations

Problem https://leetcode.com/problems/permutations/

PlusOne

Problem https://leetcode.com/problems/plus-one

Pow

Problem https://leetcode.com/problems/powx-n/

PowerOfThree

Problem https://leetcode.com/problems/power-of-three/

ProductOfArrayExceptSelf

Problem https://leetcode.com/problems/product-of-array-except-self/

RansomNote

Problem https://leetcode.com/problems/ransom-note/description/

RemoveDuplicatesFromSortedArrayII

Problem https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii/

RemoveElement

Problem https://leetcode.com/problems/remove-element

RemoveNthNodeFromEndOfList

Problem https://leetcode.com/problems/remove-nth-node-from-end-of-list/

ReverseInteger

Problem https://leetcode.com/problems/reverse-integer/

ReverseLinkedList

Problem https://leetcode.com/problems/reverse-linked-list/

ReverseString

Problem https://leetcode.com/problems/reverse-string/

ReverseWordsInAString

Problem https://leetcode.com/problems/reverse-words-in-a-string/

RomanToInteger

Problem https://leetcode.com/problems/roman-to-integer/

RotateImage

Problem https://leetcode.com/problems/rotate-image/

SearchInRotatedArray

Problem https://leetcode.com/problems/search-in-rotated-sorted-array/

SetMatrixZeroes

Problem https://leetcode.com/problems/set-matrix-zeroes/

SingleNumberII

Problem https://leetcode.com/problems/single-number-ii/

SortList

Problem https://leetcode.com/problems/sort-list/

Sqrtx

Problem https://leetcode.com/problems/sqrtx/

StringToInteger

Problem https://leetcode.com/problems/string-to-integer-atoi/

StrStr

Problem https://leetcode.com/problems/implement-strstr/

Subsets

Problem https://leetcode.com/problems/subsets/

SummaryRanges

Problem https://leetcode.com/problems/summary-ranges/

SymmetricTree

Problem https://leetcode.com/problems/symmetric-tree/

ThreeSum

Problem https://leetcode.com/problems/3sum/

Tries

Problem https://www.hackerrank.com/challenges/ctci-contacts/problem

TwoSum

Problem https://leetcode.com/problems/two-sum/

TwoSumII

Problem https://leetcode.com/problems/two-sum-ii-input-array-is-sorted/

ValidAnagram

Problem https://leetcode.com/problems/valid-anagram/

ValidPalindrome

Problem https://leetcode.com/problems/valid-palindrome/

ValidParentheses

Problem https://leetcode.com/problems/valid-parentheses/

ValidSudoku

Problem https://leetcode.com/problems/valid-sudoku/

WordPattern

Problem https://leetcode.com/problems/word-pattern/

ZigZagConversion

Problem https://leetcode.com/problems/zigzag-conversion/

Indices and tables