Raisul Islam Evan

March Challenge 2019 Division 2

Chef and Number Game, Chef and a Beautiful Digit

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

April Cook-Off 2019 Division 2

Making a Meal, Chef Learning Hungarian Algorithm

April Lunchtime 2019 Division 2

Attendance

May Challenge 2019 Division 2

Reduce to One

May Cook-Off 2019 Division 2

Chain Reaction, Misha and Nice Sets, Recover the Sequence

May Lunchtime 2019 Division 2 (Unrated)

CV

June Lunchtime 2019 Division 2

Ping Paja Pong

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples, Zombie and the Caves

August Cook-Off 2019 Division 2

Chef and Pepperoni Pizza, Chef Drinks Coke

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

October Challenge 2019 Division 2

Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

October Mega Cook-Off 2019 Division 2

Medel

October Lunchtime 2019 Division 2

Khaled in HIT, Counting Inversions Revisited

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

November Cook-Off 2019 Division 2

Chef Diet

December Challenge 2019 Division 2

Chefina and Ranges, Plus Multiply, Easy Subsequence Selection, That Is My Score!

December Cook-Off 2019 Division 2

Change It

February Challenge 2020 Division 2

No Change Required, The Theatre Problem, School of Geometry, Hard Cash, Long Contest and Cook Off Overlaps

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Isolation Centers

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating

February Cook-Off 2020 Division 2

Penalty Shoot-Out II, Tax Slabs

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

May Cook-Off 2020 Division 2

Chef and Recipe

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits, Good Prefix

April Lunchtime 2020 Division 2

Chef in Fantasy League

May Lunchtime 2020 Division 2

Weird Walk, Convert the String, Lost Weekends

D'Code Division 2 (Rated)

Full Barrier Alchemist

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Ada Matrix

August Cook-Off 2020 Division 2

Polygon Relationship, Chef and Work, K-Foldable String

August Lunchtime 2020 Division 2

Game on a Strip, Mode of Frequencies

June Cook-Off 2020 Division 2

Max Mex

June Lunchtime 2020 Division 2

Maximum AND, Chef and Demonetisation, Increasing Decreasing, Gold Mining

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Numbers

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall

January Challenge 2021 Division 2

Watching CPL, Fair Elections

December Challenge 2020 Division 1

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production

December Cook-Off 2020 Division 1

Self-Destructing Strings

January Cook-Off 2021 Division 2

Prime Tuples, Maximise Islands

December Lunchtime 2020 Division 1 (Unrated)

Three Letters, One Zero Swaps

January Lunchtime 2021 Division 2 (Unrated)

Good Grid, Dreams of Divisibility, Binary Subsequence, Even Differences, Even Sum

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates

October Lunchtime 2020 Division 2

AND Plus OR

November Lunchtime 2020 Division 2

Gasoline Introduction, Gasoline

September Cook-Off 2020 Division 2

Bowling Strategy

September Lunchtime 2020 Division 2

GCD operations, Watermelon

UWCOI 2021 (Rated for all)

Array Swaps, Hidden Numbers

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

March Cook-Off 2021 Division 2

Matrix XOR, Guess the Number

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range

CodeChef Div 3 Rated Contest 2021 Division 2 (Unrated)

Rectangle, Chef and Patients, Body Mass Index, Total Score

March Challenge 2021 Division 2

Interesting XOR!, College Life 4, Consecutive Adding, Space Arrays

March Lunchtime 2021 Division 2

Dinner by Candlelight, Racing, Lunchtime

April Challenge 2021 Division 2

Worthy Matrix, Chef and Dice

International Coding Marathon 2021 Division 2 (Rated)

Suffix Sort, Lucky Boundaries

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press, Array Rotation

June Cook-Off 2021 Division 2

Binary String on Steroids, The Wave

July Challenge 2021 Division 2 (Unrated)

XxOoRr

July Cook-Off 2021 Division 2

XOR-ORED

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Hill Sequence, Equal Coins

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, String Game, New Piece

CodeChef Starters 20 Division 2 (Unrated)

Stable Sequence, Brutal-Xors

C.O.D.E.R.S Division 2 (Rated)

The One On The Last Night, The One with All the Candy, The One with Ross Wedding

FizzBuzz Division 2 (Rated)

Magical Planks, Substring Minimum Function, Can_Reach

December Challenge 2021 Division 2 (Unrated)

Valleys and Hills, List of Lists

December Lunchtime 2021 Division 2

Maximum Trio, Romantic Reversals

Infinity 2k21 Division 2 (Rated)

Marbles

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, K Distinct Array, Points and Lines

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

February Long 2022 - II, Division 2 (Unrated)

Avoid Fixed Points, Xor Palindrome

CodeChef Starters 26 Division 2 (Unrated)

Careless Chef, Control the Pollution

CodeChef Starters 27 Division 2 (Rated)

String Reverse, Distinct Binary Strings, The product mystery

March Long One 2022, Division 2 (Unrated)

Akash and Function, Subarray XOR, Substring of a Substring, Exact Marks

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

March Cook-Off 2022 Division 2

Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

CodeChef Starters 31 Division 2 (Rated)

XOR and AND, Alternating String, Sign Moves, The Unchanging OR

March Lunchtime 2022 Division 2

Sad Splits, Winter, Adjacency Love

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Training Plans, Flip Sorting

CodeChef Starters 34 Division 2 (Rated)

Binary Mismatch, Average Array, Good Permutation

April Lunchtime 2022 Division 2(Rated)

Buckets Full of Candies, Pair Pain, Secret Machine Mania

Starters 35 Division 2 (Rated)

Jump to Sibling, Dark Light, Admins and Shopping

Starters 37 Division 2 (Rated)

Beat the Average, Infernos, Maximum OR Minimum

Starters 38 Division 2 (Rated)

Good Pairs, Anti-knapsack, Circular Track

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum

Starters 39 Division 2 (Rated)

Compress the Video, Closest Vowels, Even Subarray XOR

May Long Two 2022 Division 2 (Unrated)

Xor Palindrome, Make them Zero

Starters 41 Division 2 (Rated)

Equal Integers, Is this priority or parity!, Path Parity

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick, Split AND Sum

June Long One 2022 Division 2 (Unrated)

Alternate Additions

Starters 43 Division 2 (Rated)

The Optimal Pairs, Permutation AND, Distinct Palindrome

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, Max Shift After XOR, Equal by XORing

Starters 47 Division 2 (Rated)

Copy and Push Back, Similar Heights, End Sorted

July Lunchtime 2022 Division 2 (Rated)

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

Starters 51 Division 2 (Rated)

Split N, Different Medians

Starters 52 Division 2 (Unrated)

Minimum Sum, WA Test Cases

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality, Tree Coloring

Starters 54 Division 2 (Unrated)

Equal Distinct

Starters 55 Division 2 (Rated)

Balls and Boxes, Mean and Median, OR Tuples

September Long 2022 Division 2 (Unrated)

Interesting Subarray, Good Pairs

Starters 56 Division 2 (Rated)

K-Subarrays, Binary Substitution, Maximize Colours

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

Stick Break, Permutation Creation, Increasing Addition

Starters 57 Division 2 (Unrated)

Maximum Expression, Even Splits, Two Different Palindromes

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations

Starters 60 Division 2 (Rated)

Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair

Starters 63 Division 2 (Rated)

One-XOR Deletions, Make Length 1

Starters 64 Division 2 (Rated)

Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Distinct Neighbours

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)

Maximum Angriness, Expensive Steps , Counting Problem

Starters 69 Division 2 (Rated)

Akash and Dinner, Distinct Sequence

Starters 75 Division 2 (Rated)

Chefs Favourite Function, Equal Hamming Distance, Prefix Ones, Three Powers of Two

Starters 81 Division 2 (Unrated)

Good XOR, Distinct Matrix, Divide Pages

Starters 87 Division 2 (Rated)

Inversions of subsequences, Existence, AB plus C

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