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Contests (104)
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
February Challenge 2021 Division 3
Maximise Function
April Challenge 2021 Division 3
Chef and Dice, Valid Pair, Strong Language
May Challenge 2021 Division 3 (Rated)
Xor Equality, Golf, Solubility
August Challenge 2021 Division 3 (Rated)
Special Triplets, Array Filling, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, Digit Removal, MEX-OR
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, List of Lists
CodeChef Starters 25 Division 2 (Rated)
Building Towers, Equal MEX, Points and Lines
CodeChef Starters 31 Division 2 (Rated)
XOR and AND, Alternating String, Sign Moves, The Unchanging OR
Starters 55 Division 2 (Rated)
Balls and Boxes, Mean and Median, OR Tuples
September Long 2022 Division 2 (Unrated)
Pokemon Battles, Interesting Subarray, Good Pairs
Starters 64 Division 2 (Rated)
Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Neighbours
Starters 65 Division 2 (Rated)
Nahaane Jaa, Candies, Binod
November Long 2022 Division 2 (Unrated)
MaxEdges, Split and Maximize, Spliting Balls, Time Complexity, Water Mixing, String Game
Starters 66 Division 2 (Rated)
Good Binary Strings, Palindrome by Splitting, Just Like Mob!
Starters 67 Division 2 (Rated)
Maximum Angriness, Expensive Steps , Counting Problem
Starters 68 Division 2 (Rated)
Boring String, XOR Product, Expense List, Bull or Bear, Make AP, Make Money
Starters 69 Division 2 (Rated)
Akash and Dinner, Rain in Chefland, Scalene Triangle, Convert to permutation, Distinct Sequence, Longest Subarray
Starters 70 Division 2 (Rated)
Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
Starters 73 Division 2 (Rated)
Append for OR
Starters 74 Division 2 (Rated)
Lcm hates Gcd, Odd Even Binary String
Starters 76 Division 2 (Rated)
Read Pages, Make Array Odd, Zero String, Construct Array, Not Divisible
Starters 77 Division 2 (Rated)
Concat Palindrome, Three Numbers
Starters 78 Division 3 (Rated)
Bitwise Equation, Passing Marks
Starters 79 Division 3 (Rated)
One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal
Starters 80 Division 3 (Rated)
Permutation Subsequence, Prefix Permutation, Just One More Episode, Single-use Attack, Running Comparison, Equal Elements
Starters 81 Division 3 (Unrated)
Distinct Matrix, Divide Pages, Maximum Capacity
Starters 82 Division 3 (Rated)
Find eX, Make A-B Same, Reach Home, Difference Matrix, MIN To MAX
Starters 84 Division 2 (Rated)
Max count of 1, Max Binary, Chef And Adjacent Sums
Starters 86 Division 2 (Rated)
String Game , Maximise Score
Starters 87 Division 3 (Rated)
Return the Change, Existence
Starters 88 Division 3 (Rated)
Maximum And Or, Chef and Asteroids, Unstable Subarray, Largest and Second Largest
Starters 89 Division 3 (Rated)
Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal, DDMM or MMDD
Starters 90 Division 2 (Rated)
Crushed Apples and a Balance Scale, Printing Binary Array, Anti Palindrome
Starters 91 Division 2 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Starters 92 Division 2 (Rated)
Rectangular Tiling, Distance Coloring, Dotify Playlist
Starters 93 Division 2 (Rated)
Break Free, Problem
Starters 94 Division 2 (Rated)
CodeChef Streak, Possible or Not
Starters 95 Division 2 (Rated)
Boxes, Transfusion Chain, EVacuate to Moon
Starters 96 Division 2 (Rated)
Remove Multiples
Starters 97 Division 2 (Rated)
Schrodinger Smiley
Starters 99 Division 2 (Rated)
Card Swipe, Exclusion-Inclusion
Starters 103 Division 2 (Rated)
Dice Number
Starters 104 Division 3 (Rated)
Maximise Sum, Santa and Chocolates, Pizza Cutting, GCD and LCM
Starters 105 Division 3 (Rated)
Dracula Eats, Take it Easy, Dull Operation
Starters 106 Division 3 (Rated)
Chef Fantasy 11, Playing with OR, Save People
Starters 108 Division 3 (Rated)
Clan Expansion, Palindromic Prime Numbers, Chess Pairing
Starters 109 Division 3 (Rated)
Minimum XOR, Best of N Sets, Worth of a Video
Starters 110 Divison 3 (Rated)
Water Park, Airlines, Marbles, Am I Lucky!
Starters 111 Divison 3 (Rated)
Prefixing, Beautiful Strings, Reach Codetown, Exams
Starters 112 Division 2 (Rated)
3 Logicians Walk into a Bar, Max Nutrition
Starters 113 Division 3 (Rated)
Maximum Score , Make N Zero
Starters 114 Division 3 (Rated)
Painting Walls, Christmas Candy
Starters 115 Division 3 (Rated)
Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution
Starters 116 Division 3 (Rated)
Hattrick, ORST , Access Control
Starters 117 Division 3 (Rated)
Not Prime Permutation, Weapon Choice, Spell Shortening
Starters 118 Division 3 (Rated)
Subset GCD, Literacy Rate, Join States, Xorry 2, Xorry 1
Starters 119 Division 3 (Rated)
Judged, Cookie Day, Another Good String , K Odd Sum
Starters 120 Division 3 (Rated)
Largest K, Sub or Swp, Valentine Gifts
Starters 121 Division 3 (Rated)
Frequal, Split And Maximize, Caesar Cipher Lite, Anti Adjacent Swaps, The Man Code
Starters 122 Division 2 (Rated)
Man of the Match
Starters 123 Division 3 (Rated)
Room Allocation, Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Minimum And Maximum II
Starters 124 Division 3 (Rated)
Binary Parity, Table Strength, Swap and Unite, Cricket Tournament
Starters 125 Division 2 (Rated)
Bucket Game, Overspeeding, Fake Certificate, Binary Minimal
Starters 126 Division 2 (Rated)
Freedom, Permutation Disturbance
Starters 127 Division 2
Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array
Starters 129 Division 2 (Rated)
Ballon d Or
Starters 131 Division 2 (Rated)
Dice Deception
Starters 133 Division 3 (Rated)
Powered Parameters, Legs on a Farm, Maximum Alternating Sum
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Tree Removal
Starters 142 Division 2 (Rated)
Chef loves Pizza Chef loves halfs, Array Removal
Starters 143 Division 3 (Rated)
Binary Conversion, Maximum Coins
Starters 144 Division 2 (Rated)
Minimise Inversions, Budget Allotment, Largest K
Starters 146 Division 2 (Rated till 5 stars)
Bouncing Ball, Permutation Construction, Knockout tournament
Starters 147 Division 2 (Rated till 5 stars)
Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 148 Division 2 (Rated)
FightBots
Starters 149 (Rated)
Magical World, Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version), Kill Monsters (Easy Version)
Starters 150 (Rated)
Equal Pairs (Hard), Find Multiset State, Equal Pairs (Easy)
Starters 151 (rated)
Ball Game, Convert string
Starters 152 (Rated)
Maximize Hamming Distance, Range Minimize
Starters 154 (Rated)
Count Winning Subarrays, Add 1 or 2 Game
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Replace With First Literally, Prefix Suffix Min Max
Starters 156 (Rated)
Count Triplets, Partition Score, Even Numbers Hate
Starters 157 (Rated)
Small, Smaller, Smallest, Not-too-far Replacement
Starters 158 (Rated)
Largest Subsequence
Starters 159 (Rated)
Super Hero, Chess Colouring, Elections
Starters 160 (Rated)
Palindrome Love, Buying Order (Easy), Equate S and T
Starters 161 (Rated)
Red-Blue Sort, Two Cards
Starters 162 (Rated)
Empty the String, Adjacent Sum Array, Permutation Mod K
Starters 163 (Rated)
Nice Array, Minimum Types
Starters 164 (Rated)
Swap and Flip, Connecting Wells
Starters 165 (Rated)
Reverse and Alternate, Stable Array, Bulk Discount
Starters 166 (Rated)
Divisors Array (Easy Version), Costly Permutations, Chefland Library
Starters 167 (Rated)
Lottery Tickets, Delete Not Equal
Starters 168 (Rated)
No Two Alike, Binary Removals, Make Odd
Starters 169 (Rated)
Constant Subsequence, Hamming equivalent, Make K Most Frequent
Starters 170 (Rated)
Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Monster Monster
Starters 171 (Rated)
Swish Game, White Wall, Volcanic Eruption
Starters 172 (Rated)
Transform String, Streak Star
Starters 173 (Rated upto < 2700)
Cool Subsequences, Time Penalty, Overwrite
Starters 174 (Rated)
Mystic Slimes, Deletion and Difference
Starters 175 (Rated)
Alternate It!, Multiplexer, Make same
Starters 176 (Rated)
Clothing Store, Costly Summit
Starters 178 (Rated)
Big Difference, Placing 01 And 10
Starters 179 (Rated)
Lost in the Fest!!, Unlock The Safe