Ajay Gunjal

December Cook-Off 2017

Football Match

December Lunchtime 2017

Days in Month

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

February Challenge 2018

Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 2

Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

March Cook-off 2018 Division 2

Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition

June Cook-Off 2018 Division 1

Good Permutations

March Lunchtime 2018 Division 2 (Unrated)

Chef and Friends, Magic Elements

April Challenge 2018 Division 2

Chef and Array (Challenge), Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 1

S-T Mincut, Mighty Friend, Change the Signs, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 1

Two Flowers, Sheokand and String, Binary Shuffle, Naive Chef

July Challenge 2018 Division 1

Reach Equilibrium, Chef and War with Taran (Challenge), Subway Ride, No Minimum No Maximum, Gears, Magic Set, Strike or Spare, No Strings Attached

August Challenge 2018 Division 1

Coordinate Compression , Modular GCD, Problem Sort, Lonely Cycles, Sheokand and Number, Spell Bob

December Challenge 2018 Division 1

(Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 1

Chef and Ridges, Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Chef and Difficult Contests, Chef and Happiness

November Lunchtime 2018 Division 1

Useful Number, Beats and Pieces

Insomnia 2018 (Rated)

Split Sums

Code Melange (Rated)

XD Subsequences, The Deadly Sin, Candy Love

LoC April 2018 (Rated for Division 2)

Cricket Score, Bob and Pallindromes

Quick Code (Rated for Division 2)

Immortal Frieza, Majin Vegeta

Replay of Indian IOI Training Camp (IOITC) #1 (Rated)

Circular Intervals

Replay of Indian IOITC 2018 #2 (Rated)

Changing Numbers

ProCon Junior (Rated for Division 2)

Chef and Secret Ingredient, Chef and Bored Games, Chef and Polygon Cakes, Chef and Cookies

Encoder (Rated for Division 2)

Knight Chess, Paint the Wall

December Lunchtime 2018 Division 1

Choosing from Buckets, Age Calculator

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice

Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)

XOR! Wait for it, Return of the Gargoyle King, Summation over nCr

January Lunchtime 2019 Division 1

Distances, Rooks

March Challenge 2019 Division 1

Chef and Soccer, Yet Again a Subarray Problem

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Intersecting Paths, Sum and GCD, (Challenge) SnackDown 99

August Challenge 2019 Division 1

Guddu and his Mother, Encoding, Dilemma, Chef and Gordon Ramsay

August Lunchtime 2019 Division 1

Destroy Cells

October Challenge 2019 Division 1

Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS

October Mega Cook-Off 2019 Division 1

Hidden Sequence, D-Or

October Lunchtime 2019 Division 1 (Unrated)

Counting Inversions Again!, Box Game

December Lunchtime 2019 Division 1

The Evil Professor, Guess the number

February Challenge 2020 Division 1

Chef and Railway Stations, Expected Change, No Change Required, (Challenge) Raisins, Long Contest and Cook Off Overlaps

May Challenge 2020 Division 1

Buying a New String, Triple Sort, Binary Land, Sorting Vases, Not a Real World Problem, Chef and Bitwise Product

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

April Lunchtime 2020 Division 1

Xor Jar Muluk Tar, Positive Mex

May Lunchtime 2020 Division 1

Convert the String, Tree difference

June Challenge 2020 Division 1

The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Covid Sampling (Challenge)

July Challenge 2020 Division 1

LCM Constraints, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 1

Golomb Sequence, Binary Concatenation

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Rotation, Chef and Or, Chef and Numbers

Coders' Legacy (Rated for all)

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

Starters 169 (Rated till 5 stars)

Constant Subsequence, Hamming equivalent

Problems Authored (23)

Problems Tested (0)

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Editorials Contributed (0)

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