Bernard

February Challenge 2020 Division 2

No Change Required, The Theatre Problem, School of Geometry, Hard Cash

March Challenge 2020 Division 2

Ada Bishop 2, Pintu and Fruits

February Cook-Off 2020 Division 2

Penalty Shoot-Out II, Tax Slabs

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests, Simple Operations

February Lunchtime 2020 Division 2

At the Gates, Not All Flavours

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

August Cook-Off 2020 Division 1

Polygon Relationship

August Lunchtime 2020 Division 2

Mode of Frequencies, Ratings and Rankings

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Numbers

December Challenge 2020 Division 2

Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

January Cook-Off 2021 Division 2

Prime Tuples, Maximise Islands

December Lunchtime 2020 Division 2 (Unrated)

Three Letters, Sed Sequences, Horoscope Matrix, One Zero Swaps

January Lunchtime 2021 Division 2 (Unrated)

Good Grid, Binary Subsequence, Even Differences, Even Sum

October Lunchtime 2020 Division 2

AND Plus OR, Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift

Byterace IIT Patna Division 2 (Rated)

Angry Cyborg, The Begining Era Of Cyberverse, Cybalphabit, Batteries Needed!

March Cook-Off 2021 Division 2

Consecutive Deletions, Matrix XOR, Guess the Number

March Lunchtime 2021 Division 2

Dinner by Candlelight, Racing, Lunchtime

April Cook-Off 2021 Division 2

Tree Distances, OR of ANDs, Chocolate Monger

April Lunchtime 2021 Division 1

A Special Tree

May Cook-Off 2021 Division 1

Permutation Swaps

May Lunchtime 2021 Division 1

Total Components

June Cook-Off 2021 Division 1

Binary String on Steroids

June Lunchtime 2021 Division 1

From Rational to Binary, HTML Tags, Richie Rich, Hidden Cell, Tic Tac Toe

July Cook-Off 2021 Division 1

Mod Equality

August Cook-Off 2021 Division 2

Odd Array, Different String, Chef and Closure, Equal Difference, Clear the Array

August Lunchtime 2021 Division 1

Just a Graph

September Cook-Off 2021 Division 1

Fake Swaps

October Lunchtime 2021 Division 2

Median Rearrangement, Chef and Water Car, Exactly N plus 1 Values

July Cook-Off 2022 Division 1 (Rated)

Segmentation Fault

June Cook-Off 2022 Division 1 (Rated)

Throw and Take, Simple XOR, Split AND Sum

July Lunchtime 2022 Division 1 (Rated)

Tree Interval Queries, Consecutive XOR, Largest Family

August Lunchtime 2022 Division 1 (Rated)

Tree Coloring

September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)

Increasing Addition, Remove Numbers

Starters 69 Division 1 (Rated till 6-stars)

Passing Through!, Distinct Sequence, Longest Subarray

Starters 79 Division 1 (Rated till 5 Stars)

Love Squares Hate Cubes, One Stone or Two Stones

Starters 80 Division 1 (Rated till 5 stars)

Permutation Subsequence, Prefix Permutation, Matrix Pain

Starters 82 Division 1 (Rated till 6 stars)

Tree Game, Make Them Alike, Find eX, Difference Matrix

Starters 94 Division 1 (Rated till 5 Stars)

Possible or Not, Search for 404, Special Operation, The Vowel Matrix, Rank Queries

Starters 95 Division 1 (Rated till 6 Stars)

Boxes, Transfusion Chain, Break This Array

Starters 96 Division 1 (Rated till 5 Stars)

Swap the numbers, Mex Array, Absolute Differences

Starters 99 Division 1 (Rated till 6 Stars)

Segment Three, Two Piles, Exclusion-Inclusion

Starters 100 Division 1 (Rated)

Prime Permutation, Stamps 100, Ant

Starters 101 Division 1 (Unrated)

Minimize Xor Difference, Split and ADD, Snakes on a Grid, Warrior Chef

Starters 102 Division 1 (Rated till 6 Stars)

Parity Permutation, Light The Bulb, Chef Segment, Bit Play

Starters 103 Division 1 (Rated till 6 Stars)

Squarified, X-Ray Grid, Chandelier, Unique xor, Divisible By 8

Starters 104 Division 1 (Rated till 6 Stars)

Find Diameter, 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, Guess the winner!, Count Possibilities

Starters 107 Division 1 (Rated till 6 Stars)

Maximal Expression, Interesting Knapsack, Adjacent Flips, OR Permutation

Starters 108 Division 1 (Rated till 6 Stars)

Palindromic Prime Numbers, Fair Distribution, Gold Rush, Multiple of 9

September Short 2023 Division 1 (Unrated)

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

Starters 114 Division 1 (Rated till 6 Stars)

Make Same, Chef and Tag, Rock-Paper-Scissors

Starters 115 Division 1 (Rated)

Subtraction Sequence I, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero

Starters 119 Division 1 (Rated till 6-Stars)

K Odd Sum, Xorred, Unalike Gcd & Lcm

Starters 121 Division 1 (Rated till 6-Stars)

Frequal, Split And Maximize, Escape, Caesar Cipher Lite, Magic Palindrome

Starters 122 Division 1 (Rated till 6-Stars)

Arya In Grid, Transformation Cost, Cursed, Elf on the Shelf

Starters 123 Division 1 (Rated till 6-Stars)

Minimum And Maximum I, Yet Another Alice Bob Game, Trial of the Conqueror, Minimum And Maximum II

Starters 125 Division 1 (Rated till 6-Stars)

Bucket Game, Operating on A, Binary Minimal

Starters 126 Division 1 (Rated till 6 Stars)

Tree Distance Set, Freedom, LCD, Triangular Swaps

Starters 144 Division 1 (Rated)

Minimise Inversions, Largest K

Starters 145 Division 1 (Rated till 6-Stars)

Beautiful Array, Make Bob Win , Querified, Square String

Starters 152 (Rated till 6 stars)

Maximize Hamming Distance, Completion (Easy), Anti-Palindrome Queries

Starters 156 (Rated till 6 stars)

Keep Magnets Separated, Balance Difficulties, Interval Cliques, Partition Score

Starters 165 (Rated till 6 stars)

A to B, Stable Array, Sum Operations (Easy), Reverse and Alternate (Count)

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