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Contests (70)
January Challenge 2018
K-Concatenation
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD
June Cook-Off 2019 Division 2
Multiple Choice Exam, Eat Twice, Drink Slush
June Lunchtime 2019 Division 2
Ping Paja Pong, Magda and Silly Pairs
July Challenge 2019 Division 2
Guess the Prime!, Codechef War, Circular Merging, Minimum and Maximum, Chef and Mean
August Cook-Off 2020 Division 1
Red-blue Trees, Polygon Relationship
August Lunchtime 2020 Division 1
Game on a Strip, Alien Invasion
June Cook-Off 2021 Division 2
Too Much Xor, The Wave
June Lunchtime 2021 Division 2
From Rational to Binary, False Number, Unpleasant Ones
July Challenge 2021 Division 2 (Unrated)
XxOoRr, Chef vs Bharat, Optimal Denomination, K Path Query
August Challenge 2021 Division 2 (Unrated)
Special Triplets, Array Filling, Chef and Bulb Invention, Charge Scheduling, Problem Difficulties, Olympics Ranking
January Lunchtime 2022 Division 2
Subarray permutations, Prefix Zeros, Permutation XOR Sum
CodeChef Starters 24 Division 2 (Rated)
Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem
Starters 71 Division 2 (Rated)
Pet Store, Flip the Prefix, Maximizing LCS
Starters 73 Division 2 (Rated)
Find an integer, Consecutive Xor, Append for OR
Starters 74 Division 2 (Rated)
Maximum Xor Sum, Distinct Values, Lcm hates Gcd, Odd Even Binary String
Starters 75 Division 2 (Rated)
Equal Hamming Distance, Prefix Ones, Three Powers of Two
Starters 76 Division 2 (Rated)
Make Array Odd, Zero String, Expected Value, Construct Array, Not Divisible
February Cook-Off 2023 Division 1 (Rated)
Take Not Less
Starters 77 Division 2 (Rated)
Concat Palindrome, K Increment Palindrome, Three Numbers
Starters 79 Division 1 (Rated till 5 Stars)
Love Squares Hate Cubes, One Stone or Two Stones
Starters 82 Division 1 (Rated till 6 stars)
Make Them Alike, Find eX, Difference Matrix
Starters 86 Division 1 (Rated for All)
Minimum Operation, String Game , Largest Y
Starters 88 Division 2 (Rated)
Maximum And Or, Chef and Asteroids, Unstable Subarray
Starters 90 Division 1 (Rated till 6 Stars)
Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 94 Division 1 (Rated till 5 Stars)
Possible or Not, Search for 404, The Vowel Matrix
Starters 95 Division 1 (Rated till 6 Stars)
Boxes, Transfusion Chain
Starters 102 Division 1 (Rated till 6 Stars)
Chess ELO, Parity Permutation, Light The Bulb, Bit Play
Starters 103 Division 1 (Rated till 6 Stars)
Squarified, Unique xor, Divisible By 8
Starters 104 Division 1 (Rated till 6 Stars)
Lexicographically Largest , Construct An Array, Maximise Sum
Starters 105 Division 1 (Rated till 6 Stars)
Spooky Sequences, Dull Operation, Wishcraft
Starters 106 Division 1 (Rated till 5 Stars)
Playing with OR, Save People, Count Possibilities, Smallest Excluded LCM
Starters 117 Division 1 (Rated till 5-Stars)
Equality Etiquette, Stingy Arrays, Not Prime Permutation
Starters 118 Division 1 (Rated till 5-Stars)
Join States, Xorry 2, Xorry 1
Starters 119 Division 1 (Rated till 6-Stars)
K Odd Sum, Unalike Gcd & Lcm
Starters 120 Division 1 (Rated till 6 Stars)
Find Permutation , Construct Permutation, Count Subarrays, Count Arrays
Starters 121 Division 1 (Rated till 6-Stars)
Frequal, Split And Maximize, Escape, Caesar Cipher Lite
Starters 123 Division 1 (Rated till 6-Stars)
Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II
Starters 124 Division 1 (Rated till 5-Stars)
Swap and Unite, Make It One
Starters 125 Division 1 (Rated till 6-Stars)
Bucket Game, Binary Minimal
Starters 126 Division 1 (Rated till 6 Stars)
Tree Distance Set, Freedom, LCD
Starters127 Division 1
ABC Conjecture, Anti-Triangle
Starters 128 Division 1 (Rated till 6-Stars)
Binary Substring, XOR And Multiply
Starters 129 Division 1 (Rated till 5-Stars)
Palindromic Substrings
Starters 130 Division 1 ( Rated till 6-Stars)
Updating A, Make Equal, Append Array, Good Binary String
Starters 131 Division 1 (Rated till 5 Stars)
K-Closeness, Digit Space, Encrypt Value, T-Perm
Starters 132 Division 1 (Rated till 6 Stars)
ALIEN-OR, Optimal Flip, Random Array, MEX QUERIES , Prime Query
Starters 133 Division 1 (Rated till 6-Star)
ABC Conjecture 3, Powered Parameters, Too Far For Comfort (Easy Version)
Starters 134 Division 1 (Rated till 6-Stars)
Count Good RBS, Origin, 3out1in
Starters 136 Division 1 ( Rated till 6-Stars )
Lexicographically Maximal Prefix AND, Sum of Modes
Starters 138 Division 1 (Rated till 6-Stars)
A power B mod C , TRIPLE PRIMES, K Subarray Products, Prefix Suffix Inequality, Breezy Mode Problem, Distinct Substring
Starters 142 Division 1 (Rated till 5-Stars)
Sum of Xors, Array Removal, Number Hunt
Starters 143 Division 1 (Rated till 5-Stars)
Non-Divisor Array, Max Min and Length, Spread of Ratism
Starters 144 Division 1 (Rated)
Counting Is Fun, Minimise Inversions, Largest K
Starters 145 Division 1 (Rated till 6-Stars)
Beautiful Array, Make Bob Win , Square String
Starters 148 Division 1 (Rated till 6 stars)
The Undisappearance
Starters 149 (Rated till 5 stars)
Kill Monsters (Hard Version), Maximise Sum, Chef Loves Beautiful Strings (Hard Version), Chef Loves Beautiful Strings (Easy Version)
Starters 150 (Rated till 6 stars)
Equal Pairs (Hard), Replacing Game
Starters 154 (Rated till 6 stars)
Tree Cut Xor, Count Winning Subarrays, Triangle Count (Easy)
Starters 157 (Rated till 5 stars)
Small, Smaller, Smallest, Normal is Good, Unmedian
Starters 158 (Rated till 6 stars)
Make a Tree, Buying Game, Multiply 2 to Minimize
Starters 161 (Rated)
Red-Blue Sort, One To Three, Quick Exit
Starters 163 (Rated till 5 stars)
Tree Sum is Fun !, Permutation Pair
Starters 165 (Rated till 6 stars)
A to B, Stable Array, Sum Operations (Easy)
Starters 169 (Rated till 5 stars)
Constant Subsequence, Hamming equivalent
Starters 170 (Rated till 6 star)
Crazy Jumping Frogs, qUiRkY qUesTs (Easy)
Starters 173 (Rated upto < 2700)
Cool Subsequences, Introverts, Time Penalty, Overwrite
Starters 174 (Rated upto 2700)
GCD Add Size, Meximal Sum, Mystic Slimes
Starters 175 (Rated till 5 stars)
Alternate It!
Starters 178 (Rated till 6 star)
Smoothly Increasing , Big Difference, Minimum Colours (Hard)
Starters 187 (Rated till 6 star)
OR What, Distinct Representations
Starters 188 (Rated till 6 star)
K Boxes, Inversion Queries, Yet Another Monsters Problem
Starters 193 (Rated for all)
Mex Tree (Min), Add Permutation
Starters 194 (Rated for all)
Munchys Modulo, Good Arrays (Cyclic), Good Arrays (Not Cyclic)
Starters 199 (Rated till 5 star)
Perfect Ranges, Fence Colouring, Grid MEX
Total Problems Solved: 241
India
