Yatin Khanna

December Challenge 2019 Division 2

Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, Sticky Notes, (Challenge) Cubical Virus, That Is My Score!, Addition

December Cook-Off 2019 Division 2

Change It, Xor It

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, Breaking Bricks

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

March Challenge 2020 Division 1

Pintu and Fruits

April Challenge 2020 Division 1

Strange Number, Squared Subsequences

May Challenge 2020 Division 1

Coronavirus Spread, Isolation Centers

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests, Simple Operations

June Challenge 2020 Division 1

The Tom and Jerry Game!, Operations on a Tuple, Covid Sampling (Challenge), Chef and Price Control

July Challenge 2020 Division 1

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

August Challenge 2020 Division 1

Insanely Hard School Exams, Subsequence Frequency Counting, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 1

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

July Cook-Off 2020 Division 1

What Is This, a Crossover Episode, The In-XOR-able Task, Even-tual Reduction, OR-thodox Distinction, Path-etic Products

June Cook-Off 2020 Division 1

Cache Hits, Per Capita Income, Checkpoints, Banned Quotient

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

October Challenge 2020 Division 1

Positive AND, Replace for X, D-Dimensional MST

November Challenge 2020 Division 1

Restore Sequence

January Challenge 2021 Division 1

Chef and Ants, Guess the Tiling, Expected Number of SCCs

December Challenge 2020 Division 1

Hail XOR, Square Root of LCA Convolution, Calculus, String Operations, Positive Prefixes, Even Pair Sum

December Cook-Off 2020 Division 1

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

December Lunchtime 2020 Division 1 (Unrated)

Three Letters, One Zero Swaps

Coders' Legacy (Rated for all)

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

September Lunchtime 2020 Division 1

Root the Tree, Robot Detector

February Challenge 2021 Division 1

Team Name, Prime Game, Maximise Function

March Challenge 2021 Division 1

Dense Graph, Consecutive Adding, Paparazzi Gennady, Space Arrays, Maximum Topological Sort

April Cook-Off 2021 Division 1

Tree Distances, OR of ANDs

May Challenge 2021 Division 1 (Unrated)

Valid Paths, Tree House, An Interesting Sequence, Xor Equality, Tic Tac Toe, Modular Equation, Golf, Solubility

June Challenge 2021 Division 1 (Unrated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Dual Distance, Summer Heat, MathBuzz, Optimal Xor Set, Minimum Subtree Cover

July Challenge 2021 Division 1 (Unrated)

XxOoRr, Chef vs Bharat, Optimal Denomination, Maximum Production, Chef and Pairs, Relativity, Dakimakura Distribition, K Path Query

July Cook-Off 2021 Division 1

Beautiful Subsequence, Mod Equality, Hidden Colored Graph

August Challenge 2021 Division 1 (Unrated)

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

August Lunchtime 2021 Division 1

Bunny Hops, Just a Graph

September Challenge 2021 Division 1 (Unrated)

Shuffling Parities

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, Good ranking, Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all)

Graduate Work Matters, Sorting Segments

SnackDown 2021 - Final Round

Ones Guessing

December Cook-Off 2021 Division 1

Binary String Game, Destructive Nim, RGB Construction

Infinity 2k21 Division 1 (Unrated)

Marbles, Tug of War, Escape Plan, Hopscotch, Dalgona Treat

January Cook-Off 2022 Division 1

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

January Lunchtime 2022 Division 1

Permutation XOR Sum

CodeChef Starters 24 Division 1 (Unrated)

Anti Palindrome, Palindrome Love, Special String, Divisors and Reciprocals

February Long 2022 - I, Division 1 (Unrated)

Binary Base Basics

CodeChef Starters 25 Division 1 (Unrated)

Building Towers, Equal MEX, Hidden Permutation, Count Arrays, K Distinct Array

February Long 2022 - II, Division 1 (Unrated)

Sequence GCD

CodeChef Starters 27 Division 1 (Unrated)

String Reverse, Non Coprime Neighbours

CodeChef Starters 28 Division 1 (Unrated)

Permutation Xority

March Cook-Off 2022 Division 1

Secret Tree, Dragonado And XOR, Alternating Divisibility

March Lunchtime 2022 Division 1

Mathology, Winter, Adjacency Love, Separate Them All

Starters 47 Division 1 (Unrated)

The XOR-OR Dilemma

Starters 70 Division 1 (Rated till 6-stars)

Strange Bitwise Operation, X AND Y Tree, Two Counters, Prime Reversal, Frequency Array Retrieval

Starters 81 Division 1 (Unrated)

Distinct Matrix

Starters 83 Division 1 (Rated)

Construct String, Order by XOR, Rotate to Minimum

Starters 93 Division 1 (Rated for All)

Thank U, Next, NASA, Greedy, Bloodline, Motive

Starters 95 Division 1 (Rated till 6 Stars)

Boxes, Transfusion Chain, Break This Array

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