C# Knowledge Build

• Basics - Best practices for C# concepts
  • LinqExample.cs - All LINQ related code examples.
  • CustomerReader.cs - How to add C# embedded resources and read them.
  • MappingExample.cs - Map between 2 DTOs using Automapper.
• Competitive coding - General examples-
  • CountPairs.cs - https://www.geeksforgeeks.org/count-pairs-difference-equal-k/
  • Backtracking.cs
    • https://leetcode.com/problems/subsets/
    • https://leetcode.com/problems/permutations/
    • https://leetcode.com/problems/combination-sum/
    • LetterCombinations.cs - https://leetcode.com/problems/letter-combinations-of-a-phone-number
  • TreeTraversal.cs - https://www.geeksforgeeks.org/bfs-vs-dfs-binary-tree/
    • DFS
    • BFS
  • DP
    • DecodeWays.cs - https://leetcode.com/problems/decode-ways/
    • CoinGame.cs - https://leetcode.com/problems/coin-change
    • HouseRobber.cs
      • https://leetcode.com/problems/house-robber
      • https://leetcode.com/problems/house-robber-ii
    • JumpGame.cs -
      • Check if jump possible - https://leetcode.com/problems/jump-game/
      • Min Jumps - https://leetcode.com/problems/jump-game-ii
    • Stairs.cs
      • Min cost - https://leetcode.com/problems/min-cost-climbing-stairs/
      • Climbing stairs - https://leetcode.com/problems/climbing-stairs/
      • Nth Tribonacci - https://leetcode.com/problems/n-th-tribonacci-number/
    • MaxAreaContainer.cs - https://leetcode.com/problems/container-with-most-water
    • MaximalSquare.cs - https://leetcode.com/problems/maximal-square/
    • UniquePaths.cs
      • W/O obstacle - https://leetcode.com/problems/unique-paths
      • With obstacle - https://leetcode.com/problems/unique-paths-ii
  • TwoSum.cs - https://leetcode.com/problems/two-sum/
  • ZigZagConversion.cs - https://leetcode.com/problems/zigzag-conversion
  • PrimeFactor.cs - https://leetcode.com/problems/2-keys-keyboard
  • KokoEatingBananas.cs - https://leetcode.com/problems/koko-eating-bananas/
  • GroupAnagrams.cs - https://leetcode.com/problems/group-anagrams
  • LinkedListExamples.cs
    • Add 2 lists - https://leetcode.com/problems/add-two-numbers/
    • Detect cycle - https://leetcode.com/problems/linked-list-cycle/
    • Remove nth node from end - https://leetcode.com/problems/remove-nth-node-from-end-of-list/
    • Rotate linked list - https://leetcode.com/problems/rotate-list/
    • IsPalindrome - https://leetcode.com/problems/palindrome-linked-list/
    • Swap nodes - https://leetcode.com/problems/swapping-nodes-in-a-linked-list/
  • MinimumRotatedSortedArray.cs - https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/
  • Matrix
    • SpiralMatrix.cs - https://leetcode.com/problems/spiral-matrix/
    • RotateMatrix.cs - https://leetcode.com/problems/rotate-image/
  • DSAExamples.cs
    • Stack - https://leetcode.com/problems/valid-parentheses/
    • Queue - https://leetcode.com/problems/number-of-students-unable-to-eat-lunch/
    • Priority Queue / Heap - https://leetcode.com/problems/top-k-frequent-elements/
  • InplaceOperations.cs
    • Remove Duplicated from sorted array - https://leetcode.com/problems/remove-duplicates-from-sorted-array
    • Remove Element - https://leetcode.com/problems/remove-element
  • LongestNonRepeatingSubstring.cs - https://leetcode.com/problems/longest-substring-without-repeating-characters
  • LongestCommonPrefix.cs - https://leetcode.com/problems/longest-common-prefix/
  • LongestPalindromicSubstring.cs - https://leetcode.com/problems/longest-palindromic-substring/
  • Palindrome.cs
    • https://leetcode.com/problems/palindrome-number/
    • https://leetcode.com/problems/find-palindrome-with-fixed-length/
  • Converter.cs
    • Integer to Roman - https://leetcode.com/problems/integer-to-roman/
    • Roman to Integer - https://leetcode.com/problems/roman-to-integer/
    • StrStr - https://leetcode.com/problems/implement-strstr/
    • LengthOfLastWord - https://leetcode.com/problems/length-of-last-word/
  • PathSum.cs - https://leetcode.com/problems/path-sum/
  • HappyNumber.cs - https://leetcode.com/problems/happy-number/
  • Median.cs - https://leetcode.com/problems/median-of-two-sorted-arrays/
  • BitManipulation.cs
    • Count set bits - https://leetcode.com/problems/number-of-1-bits/
    • Add binary numbers - https://leetcode.com/problems/add-binary/
  • SquareRoot.cs - https://leetcode.com/problems/sqrtx/
  • DiscountParser.cs - https://leetcode.com/problems/apply-discount-to-prices
  • MaximumSubarray.cs - https://leetcode.com/problems/maximum-subarray/
  • Traversal based questions
    • AllPaths.cs - https://leetcode.com/problems/all-paths-from-source-to-target/
    • CourseSchedule.cs - https://leetcode.com/problems/course-schedule/
    • FloodFill.cs - https://leetcode.com/problems/flood-fill/
    • IslandPerimeter.cs - https://leetcode.com/problems/island-perimeter/
    • RottingOranges.cs - https://leetcode.com/problems/rotting-oranges/
• OOPS Design Questions
  • Twitter - https://leetcode.com/problems/design-twitter
  • ATM Machine - https://leetcode.com/problems/design-an-atm-machine/
  • Food Rating - https://leetcode.com/problems/design-a-food-rating-system/
  • Number Container - https://leetcode.com/problems/design-a-number-container-system/
  • InternalHashMap.cs - https://leetcode.com/problems/design-hashmap
• Rest API - Http client examples
  • CustomerTransaction.cs - HR Tag 756803
  • QuoteService.cs - Fetch 25 quotes from http://api.quotable.io/random. Group quotes by author name.
  • RootThreshold.cs - HR Tag 724559
  • TopArticles.cs - HR Tag 1137670
  • MedicalRecords.cs - HR Tag 724357
  • RelevantFoodOutlet.cs - HR Tag 998334
• Azure
  • Cosmos DB
  • Functions
  • Storage accounts