Surender Kumar

November Cook-Off 2018 Division 2

Truth and Dare, Beautiful Garland

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 2

Chef and Ridges, Chef and Difficult Contests

November Lunchtime 2018 Division 2

Event

January Challenge 2019 Division 2

Lucky Number Game, Chef and Modulo Game, Fancy Quotes

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef

February Cook-Off 2019 Division 2

Buying New Tablet, Chef and Party

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

April Lunchtime 2019 Division 2

Attendance, Fast Food

May Challenge 2019 Division 2

Matches, Reduce to One

May Cook-Off 2019 Division 2

Chain Reaction

June Challenge 2019 Division 2

Chef and Proxy

June Cook-Off 2019 Division 2

Multiple Choice Exam, Ants and Anteaters, Eat Twice

June Lunchtime 2019 Division 2

Ping Paja Pong, Magda and Silly Pairs

July Challenge 2019 Division 2

Guess the Prime!, Parity Again, Minimum and Maximum, Chef and Mean

July Lunchtime 2019 Division 1 (Unrated)

Two-lane Road

August Cook-Off 2019 Division 1

Rich Substrings

September Challenge 2019 Division 2

Chef and Good Subsequences, Easy Fibonacci, Biladerim Icin, Chef Designed a Network, Chef and Interesting Subsequences

September Lunchtime 2019 Division 1

Find the Sum

October Lunchtime 2019 Division 1 (Unrated)

Box Game

November Challenge 2019 Division 1

A Simple Game

November Lunchtime 2019 Division 1

Planting Trees

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Sticky Notes, (Challenge) Cubical Virus, Addition

Dementia 2019 (Rated for Division 2)

When to take medicine, Maximum Scoring Position

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English, Chefland Army, (Challenge) Building Anthills

February Challenge 2020 Division 1

Chef and Railway Stations, No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Ready Bitwise, Leaked Answers (Challenge)

May Challenge 2020 Division 1

Triple Sort, Chef and Bitwise Product

April Cook-Off 2020 Division 1

Simple Operations

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

January Lunchtime 2020 Division 1

Under the Tunnels

April Lunchtime 2020 Division 1

Positive Mex

May Lunchtime 2020 Division 1

Convert the String

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Gru is Handing Out Bananas, Minion AND Range, Recruit Villagers

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array

August Challenge 2020 Division 1

Insanely Hard School Exams, Subsequence Frequency Counting, Smallest KMP, Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction, Path-etic Products

August Cook-Off 2020 Division 1

Polygon Relationship

August Lunchtime 2020 Division 1

Game on a Strip, Alien Invasion

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Numbers

December Challenge 2020 Division 1

Hail XOR, Calculus, String Operations, Positive Prefixes, Even Pair Sum

December Cook-Off 2020 Division 1

Self-Destructing Strings, Circle of Chaos, Carry All Fruits

December Lunchtime 2020 Division 1 (Unrated)

Even Sequence, Three Letters, One Zero Swaps

January Lunchtime 2021 Division 1 (Unrated)

Good Grid, Shifting Spoons, Dreams of Divisibility, Binary Subsequence, Even Sum

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates, Graph Construction, Hiring Workers

October Lunchtime 2020 Division 1

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

November Lunchtime 2020 Division 1

Gasoline

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Jeremy gets a gift

UWCOI 2021 (Rated for all)

Array Swaps, Hidden Numbers

February Challenge 2021 Division 1

Team Name, Prime Game

March Cook-Off 2021 Division 1

Consecutive Deletions, Pawri Meme, Chef and Sorting, Weight Balance, Guess the Number

February Lunchtime 2021 Division 2

Average Sorting, Sed Max, Palpal Strings, Coprime Range

March Challenge 2021 Division 1

Consecutive Adding, Paparazzi Gennady, Space Arrays

March Lunchtime 2021 Division 1

Lunchtime

April Cook-Off 2021 Division 1

OR of ANDs

April Lunchtime 2021 Division 1

Chef in Heaven , Bench Press, Equinox Strings, Array Rotation, Coldplay

May Cook-Off 2021 Division 1

Permutation Swaps, Double Burgers

May Lunchtime 2021 Division 1

Total Components, K-Subarrays

May CodeChef Starters 2021 Division 1 (Unrated)

Cheating Time, Minimum Popping, Subtree Center, Plagiarism, Lazy Chef, Correct Sentence

June Cook-Off 2021 Division 1

Binary String on Steroids

June Lunchtime 2021 Division 1

From Rational to Binary, Richie Rich

June CodeChef Starters 2021 Division 2 (Unrated)

Total Correct Submissions, Sleep Cycle, Flappy Bird, Chess Match, Chef and Queries, Cyclic Quadrilateral

July Cook-Off 2021 Division 2

Beautiful Subsequence, XOR-ORED, Mod Equality

July Lunchtime 2021 Division 1

Chef and Spells, Beautiful Pairs, Red Alert, Xor Separation, Array Rotation Returns, Longest Good Segment

August Cook-Off 2021 Division 1

Odd Array, Different String, Clear the Array

August Lunchtime 2021 Division 1

Just a Graph, Chef and Deque

September Cook-Off 2021 Division 1

Chef and Pairwise Distances, Half Sequence, Fake Swaps

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 12 Division 1 (Unrated)

K - balanced string, Good Weather, Make it Divisible, Another Shortest Paths Problem, Maximum Points, The Minimum Game

CodeChef Starters 14 Division 1 (Unrated)

Odd GCD

October Challenge 2021 Division 1 (Unrated)

Longest AND Subarray, MEX-OR

September Lunchtime 2021 Division 1

Interesting Representation, Alice vs Bob Faceoff

CodeChef Starters 16 Division 1 (Unrated)

Professor And Directions, Chef And Salary Pay, K - Magical String, Chef and Magical Steps, Subarray Sum, Pass or Fail

October Cook-Off 2021 Division 1

Can You Reach The End, Find the Modulus, Chef Up

October Lunchtime 2021 Division 1

Median Rearrangement

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all)

Graduate Work Matters, Sorting Segments

November Lunchtime 2021 Division 1

Subarray Jumps

December Cook-Off 2021 Division 1

Binary String Game, RGB Construction

December Lunchtime 2021 Division 1

Optimal Sorting, Romantic Reversals, Sleep Technique

Exun 2021-22 Division 1 (Unrated)

Sarthak and his Magic Grid, Vedant and his Hidden Array

January Cook-Off 2022 Division 1

Subsegment Divisibility , Merged LIS, Prime Graph, Erase All But One

January Lunchtime 2022 Division 1

Permutation XOR Sum

February Cook-Off 2022 Division 1

Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market

February Lunchtime 2022 Division 1

Magical Modulo, Magnet Sort

March Cook-Off 2022 Division 1

Dragonado And XOR, Alternating Divisibility

Starters 63 Division 1 (Rated for 5 & 6 stars)

Maximize 1s, Make Length 1, Minimum Absolute Score, Greedy Grid Moves

Starters 64 Division 1 (Rated till 5-stars)

Luigi and Uniformity, Square Sort, Prime Factor Division, Distinct Neighbours

Starters 68 Division 1 (Rated till 5-stars)

Boring String, Restore the Permutation, XOR Product, Interesting Array, Make Money

Starters 69 Division 1 (Rated till 6-stars)

Distinct Sequence, Longest Subarray

Starters 70 Division 1 (Rated till 6-stars)

Prime Reversal, Frequency Array Retrieval

December Long 2022 Division 1 (Unrated)

Break into Powers

Starters 73 Division 1 (Rated till 6-Stars)

Minimum OR Path, Find an integer, Consecutive Xor, First To Last, Elevators

Starters 74 Division 1 (Rated till 6-Stars)

Candies, Maximum Xor Sum, Distinct Values, Lcm hates Gcd

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