Aditya Kumar Singh

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD

July Challenge 2019 Division 2

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

July Cook-Off 2019 Division 2

Playing with Strings

July Lunchtime 2019 Division 2

Easy Math

August Challenge 2019 Division 2

Guddu and his Mother, Encoding, Dilemma, Football, Distribute Apples, Zombie and the Caves

September Mega Cook-Off 2019 Division 2

Playing with Matches

September Lunchtime 2019 Division 2

Chef Feeds Cats, Find the Sum

October Challenge 2019 Division 2

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

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm, Guess the number

February Challenge 2020 Division 1

No Change Required, Long Contest and Cook Off Overlaps

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Leaked Answers (Challenge)

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, Folding Paper

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

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

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

September Challenge 2020 Division 1

Chefina and Swap, Chef and Trump Cards, Find XOR, Divide Candies, Ada Matrix

RECode 12.0 (Rated for all)

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

October Challenge 2020 Division 1

Positive AND, Replace for X

November Challenge 2020 Division 1

Restore Sequence, Magical Candy Store

December Challenge 2020 Division 1

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

October Lunchtime 2020 Division 1

Chef Likes Good Sequences

September Lunchtime 2020 Division 1

Root the Tree

UWCOI 2021 (Rated for all)

Organisation, Array Swaps, Hidden Numbers

International Coding Marathon 2021 Division 1 (Unrated)

Suffix Sort, Infinite polygons, Lucky Boundaries

July Cook-Off 2021 Division 1

Mod Equality

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns

August Challenge 2021 Division 2 (Unrated)

Special Triplets, Array Filling, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

CodeChef Starters 10 Division 2 (Rated)

Grid Path, Magical Flips, Maximise the Subsequence Sum, Remove One Element

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Product Pain

CodeChef Starters 17 Division 1 (Unrated)

Binary Inversion, GCD of Prefixes, Partition It

CodeChef Starters 19 Division 1 (Unrated)

P Equal To NP, The Alternating Sum, Distinct Elements

June Cook-Off 2022 Division 1 (Rated)

Simple XOR, Split AND Sum

Starters 42 Division 2 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3

Starters 45 Division 2 (Rated)

Even Equal Odd, Xor and Multiply, KBG and GN-Theory, Retrieve the Array, Adjacent Sum Parity

Starters 46 Division 2 (Rated)

Prime Xor, Vowel Anxiety, Array sorting, Sort the String

Starters 47 Division 2 (Rated)

Copy and Push Back, Similar Heights, End Sorted

Problems Authored (13)

Problems Tested (0)

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Editorials Contributed (14)