Amr Harb

CodeChef Starters 31 Division 4 (Rated)

XOR and AND, Sign Moves, Cup Finals, The Unchanging OR, Group Assignment, Economics Class

CodeChef Starters 33 Division 4 (Rated)

The Cheaper Cab, Monthly Budget, Minimum Cars required

April Long One 2022, Division 4 (Rated)

Dazzling GCD Pair, Prime Sum, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2, Pairwise Xors

CodeChef Starters 34 Division 4 (Rated)

Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products, Expiring Bread

April Long Two 2022 Division 4 (Rated)

Geometric Mean Inequality, Sasta Shark Tank, Akash and Equal Mean, Six Friends, Best Coupon, Pseudo Sorted Array

May Cook-Off 2022 Division 4 (Rated)

Chef and Gym, Chef and Masks, Farmers League

Starters 37 Division 4 (Rated)

Dazzling Even-Odd Challenge, The Mango Truck, Roller Coaster, Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum

May Long One 2022 Division 4 (Rated)

Mystical Numbers, Pushpa , Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP

May Lunchtime 2022 Division 3 (Rated)

Bucket and Water Flow , Problems in your to-do list

Starters 39 Division 3 (Rated)

Compress the Video, Closest Vowels, Recent contest problems, A or B

May Long Two 2022 Division 3 (Rated)

Subsequence-Numbers Divisible by 7, Xor Palindrome, Subarrays with length, Score High, Make them Zero, Degree of Polynomial

Starters 40 Division 2 (Unrated)

Infinity Staircase, Or Permutation, Good Pairs

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation

Starters 41 Division 2 (Rated)

Equal Integers, Remove and Add, Is this priority or parity!, Path Parity

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick, Split AND Sum

Starters 42 Division 2 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3

June Long One 2022 Division 2 (Unrated)

Divisible by i , Alternate Additions, Equal Strings

Starters 44 Division 2 (Rated)

Dense Bracket Sequence

Starters 43 Division 2 (Rated)

The Optimal Pairs, Distinct Palindrome

June Long Two 2022 Division 2 (Unrated)

Count the ACs, Strong Elements

July Long One 2022 Division 2 (Unrated)

Journey of the Knight, Game of Piles Version 1, Slow Solution

Starters 46 Division 2 (Rated)

Prime Xor, Vowel Anxiety, Array sorting, Sort the String

July Lunchtime 2022 Division 2 (Rated)

Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family

July Long Two 2022 Division 2 (Unrated)

Concat Sort, To Divide or Not To Divide, Sum of Product 1

Starters 49 Division 2 (Rated)

High Frequency, Valid Minimum

Starters 51 Division 2 (Rated)

Split N, Copy and Paste, Different Medians

September Long 2022 Division 2 (Unrated)

Interesting Subarray, Good Pairs

Starters 56 Division 2 (Rated)

K-Subarrays, Energetic Node(Easy Version), Energetic Node(Hard Version), Maximize Colours

September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)

Sleep deprivation, Flip the cards, Equalize AB, Stick Break, Permutation Creation, Increasing Addition

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations

Starters 60 Division 2 (Rated)

Distinct Numbers, Red Green Grids, Yet Another Palindrome Problem, Palindrome Flipping

Starters 61 Division 2 (Rated)

Minimise LCS, Weird Subarrays, Red Blue Flowers, Subarray Removal

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 64 Division 2 (Rated)

Luigi and Uniformity

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!

Starters 67 Division 2 (Rated)

Expensive Steps , Counting Problem

Starters 68 Division 2 (Rated)

Boring String, XOR Product, Expense List, Make Money

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix, Maximizing LCS

Starters 72 Division 2 (Rated)

N Triplets

Starters 73 Division 2 (Rated)

Append for OR

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Odd Even Binary String

Starters 75 Division 2 (Rated)

Prefix Ones, Three Powers of Two

Starters 77 Division 2 (Rated)

Concat Palindrome, Three Numbers

Starters 79 Division 2 (Rated)

Love Squares Hate Cubes, Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums

Starters 80 Division 2 (Rated)

Permutation Subsequence, Equal Elements

Starters 82 Division 2 (Rated)

Find eX, Make A-B Same, Difference Matrix, MIN To MAX

Starters 84 Division 2 (Rated)

Max count of 1, Max Binary

Starters 85 Division 2 (Rated)

Efficient PAN Linking, Inside The Stadium, TripTastic

Starters 86 Division 2 (Rated)

Minimum Operation, String Game , Largest Y, Maximise Score

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal, Two Averages

Starters 91 Division 2 (Rated)

Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation

Starters 92 Division 2 (Rated)

Rectangular Tiling, Dividing into Groups, Beautification of array, Distance Coloring, Dotify Playlist

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, Search for 404, Special Operation, The Vowel Matrix

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 100 Division 1 (Rated)

Prime Permutation, Stamps 100

Starters 101 Division 1 (Unrated)

Warrior Chef

September Short 2023 Division 1 (Unrated)

GCD Discount, Ultimate Fencing, Lucky Seven, Slow Start, Mixing Extraordinaire

Starters 112 Divison 1 (Rated till 6 Stars)

Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Subtree Coloring, Permutation Construction

Starters 113 Division 1 (Rated)

Count Distinct Arrays, Minimise Maximum Subarray Sum, Make All Equal, Maximum Score

Starters 115 Division 1 (Rated)

Greedy LIS Algorithm, Binary Grid Forces, Make All Zero

Starters 116 Divison 1 (Rated till 6-Stars)

Chef Product, ORST , Exact Savings

Starters 121 Division 1 (Rated till 6-Stars)

Frequal, Split And Maximize, Escape, Caesar Cipher Lite

Starters 122 Division 1 (Rated till 6-Stars)

Arya In Grid, Transformation Cost

Starters 123 Division 1 (Rated till 6-Stars)

Minimum And Maximum I, Minimum And Maximum II

Starters 125 Division 1 (Rated till 6-Stars)

Binary Minimal

Starters 128 Division 2 (Rated)

MEXimize the Array, Disjoint Non-Decreasing Array

Starters 129 Division 2 (Rated)

Palindromic Substrings, Ballon d Or

Starters 156 (Rated)

Partition Score, Even Numbers Hate

Starters 161 (Rated)

Two Cards

Starters 167 (Rated)

Lottery Tickets, Delete Not Equal

Starters 168 (Rated)

No Two Alike, Binary Removals, Make Odd

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