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Contests (67)
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
Total Problems Solved: 233
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