Algorithms Easy Problem Solution Problem Statement E0001 Solve Me First E0002 Simple Array Sum E0003 Compare the Triplets E0004 A Very Big Sum E0005 Diagonal Difference E0006 Plus Minus E0007 Staircase E0008 Mini-Max Sum E0009 Birthday Cake Candles E0010 Grading Students E0011 Apple and Orange E0012 Breaking the Records E0013 Bon Appétit E0014 Drawing Book E0015 Counting Valleys E0016 Cats and a Mouse E0017 The Hurdle Race E0018 Designer PDF Viewer E0019 Utopian Tree E0020 Angry Professor E0021 Beautiful Days at the Movies E0022 Save the Prisoner! E0023 Sherlock and Squares E0024 Library Fine E0025 Circular Array Rotation E0026 Cut the sticks E0027 Repeated String E0028 Equalize the Array E0029 Taum and B'day E0030 Modified Kaprekar Numbers E0031 Find Digits E0032 Fair Rations E0033 Jumping on the Clouds E0034 Jumping on the Clouds: Revisited E0035 Service Lane E0036 Migratory Birds E0037 Minimum Distances E0038 Pangrams E0039 Lisa's Workbook E0040 Cavity Map E0041 Manasa and Stones E0042 Flatland Space Stations E0043 Sequence Equation E0044 Mars Exploration E0045 Happy Ladybugs E0046 Sock Merchant E0047 Electronics Shop E0048 HackerRank in a String! E0049 Funny String E0050 Alternating Characters E0051 Beautiful Binary String E0052 The Love-Letter Mystery E0053 Anagram E0054 Making Anagrams E0055 Caesar Cipher E0056 Time Conversion E0057 Kangaroo E0058 Viral Advertising E0059 Beautiful Triplets E0060 String Construction E0061 Picking Numbers E0062 Gemstones E0063 Closest Numbers E0064 Find the Median E0065 Two Strings E0066 Weighted Uniform Strings E0067 Ice Cream Parlor E0068 Missing Numbers E0069 Day of the Programmer E0070 Halloween Sale E0071 Chocolate Feast E0072 Separate the Numbers E0073 Palindrome Index E0074 Minimum Absolute Difference in an Array E0075 Marc's Cakewalk E0076 Luck Balance E0077 Maximum Perimeter Triangle E0078 Sherlock and The Beast E0079 Priyanka and Toys E0080 Mark and Toys E0081 Permuting Two Arrays E0082 Lonely Integer E0083 Maximizing XOR E0084 Game of Stones E0085 Tower Breakers E0086 Flipping bits E0087 Grid Challenge E0088 ACM ICPC Team E0089 Game of Thrones - I E0090 Largest Permutation E0091 Intro to Tutorial Challenges E0092 Insertion Sort - Part 1 E0093 Insertion Sort - Part 2 E0094 Correctness and the Loop Invariant E0095 Append and Delete E0096 XOR Strings E0097 Smart Number E0098 Big Sorting E0099 Poker Nim E0100 Introduction to Nim Game E0101 [Misère Nim] E0102 A Chessboard Game E0103 Sherlock and Array E0104 Beautiful Pairs E0105 Two Characters E0106 Strange Counter E0107 Sum vs XOR E0108 Nimble Game Medium Problem Solution Problem Statement M0001 Climbing the Leaderboard M0002 The Coin Change Problem M0003 Extra Long Factorials M0004 Encryption M0005 3D Surface Area M0006 Non-Divisible Subset M0007 The Time in Words M0008 The Grid Search M0009 Absolute Permutation M0010 Larry's Array M0011 Bigger is Greater M0012 Almost Sorted M0013 Organizing Containers of Balls M0014 The Bomberman Game M0015 Queen's Attack II M0016 Forming a Magic Square M0017 Ema's Supercomputer M0018 Fraudulent Activity Notifications M0019 Lily's Homework M0020 Sherlock and the Valid String M0021 Sherlock and Anagrams M0022 Highest Value Palindrome M0023 Hackerland Radio Transmitters M0024 Common Child M0025 KnightL on a Chessboard Hard Problem Solution Problem Statement H0001 Matrix Layer Rotation