Vinay Omkumar Khilwani

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 Cook-Off 2019 Division 2

Birthday Gift Again, Playing with Strings

July Lunchtime 2019 Division 2

Easy Math

August Challenge 2019 Division 2

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

August Cook-Off 2019 Division 2

Chef and Pepperoni Pizza, Chef Drinks Coke

September Lunchtime 2019 Division 1

All Substrings, Find the Sum

October Challenge 2019 Division 1

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

October Mega Cook-Off 2019 Division 1

D-Or

November Challenge 2019 Division 1

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, A Simple Game, Single Point of Failure, (Challenge) Coloring Triangulations

November Lunchtime 2019 Division 1

Planting Trees

December Lunchtime 2019 Division 1

The Evil Professor, Guess the number

December Challenge 2019 Division 1

Plus Multiply, Binary XOR, Sticky Notes, Addition

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums

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

Chef and DAG

April Challenge 2020 Division 1

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

May Challenge 2020 Division 1

Triple Sort, Coronavirus Spread, Chef and Bitwise Product, Isolation Centers

March Cook-Off 2020 Division 1

Mysterious Sequence

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

February Lunchtime 2020 Division 1

Swapping to Palindrome

April Lunchtime 2020 Division 1

Positive Mex

International Coding Marathon (Rated for all)

Lavanya Loves DFA, Are These Equal, Mr Pr in a Dilemma , Is This JEE

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array

June Challenge 2020 Division 1

Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, Convenient Airports, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 1

Ada King, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

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, A Problem on Sticks, Chef and Trump Cards, Find XOR, Move the Coins - Creating Tests, Divide Candies, Ada Matrix

RECode 12.0 (Rated for all)

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

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets

Code Ensemble (Rated for Division 2)

Priya and AND, Help Martha

February Challenge 2021 Division 1

Team Name, Another Tree with Number Theory, Chef and Meetings, Prime Game, Multiple Games, XOR Sums, Maximise Function, Highest Divisor

CodeChef Div 3 Rated Contest 2021 Division 1 (Unrated)

Maximum Size Hollow Square, Rectangle, Chef and Patients, Total Overlap, Body Mass Index, Total Score

February CodeChef Starters 2021 Division 1 (Unrated)

Maximum Value, College Life 2, College Admissions, Chef and Coupon

March CodeChef Starters 2021 Division 1 (Unrated)

Point Grid, Minimal Travel Time, College Life 5, Server Trouble, Nobel Prize, Possible Victory

International Coding Marathon 2021 Division 1 (Unrated)

Suffix Sort, Team Divisions, Lucky Boundaries

SPYBITS IIT BHU Division 1 (Unrated)

B - Valentine Couples, C - Mission Gotham, A - Save Water Save Life

April CodeChef Starters 2021 Division 1 (Unrated)

Chef and Hills, Maximum Size, Thief and Police, Chef On Island, Hiring Test

May CodeChef Starters 2021 Division 1 (Unrated)

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

May Challenge 2021 Division 1 (Unrated)

Valid Paths, Tree House, An Interesting Sequence, King Killing, 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, Minimum Subtree Cover

June CodeChef Starters 2021 Division 1 (Unrated)

Total Correct Submissions, Sleep Cycle, Chess Match, Cyclic Quadrilateral

July Challenge 2021 Division 1 (Unrated)

XxOoRr, Chef vs Bharat, Optimal Denomination, Maximum Production, Relativity, K Path Query

CodeChef Starters 6 Division 1 (Unrated)

Joker and Batman, Chefs Homework Dilemma, Even tuples, Palindromic number, Three Dices, Cricket Ranking

CodeChef Starters 7 Division 1 (Unrated)

Maximum Possible Sweetness, Ceiling Sum, Maximum Array Xor, Chess Format, Food Chain

AlgoManiac - Code For Future Division 1 (Unrated)

Planetary Path, Say No To Drugs, The Rumbling, The Old Saint And Three Questions, Meet In The Median

September Challenge 2021 Division 1 (Unrated)

XOR Equal, Shuffling Parities, Minimize Digit Sum, 2-D Point Meeting, Airline Restrictions, Travel Pass

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

October Challenge 2021 Division 1 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR

SnackDown 2021 - Online Round 1A

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

November Challenge 2021 Division 1 (Unrated)

Flip or Compress, Functional Array, Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper, Maximise the bridges

CodeChef Starters 19 Division 1 (Unrated)

P Equal To NP, The Alternating Sum, Distinct Elements

C.O.D.E.R.S Division 1 (Unrated)

The One On The Last Night, The One Where No One is Ready, The One with Russ, The One with All the Candy, The One Where It All Began, The One with Ross Wedding

CodeChef Starters 22 Division 1 (Unrated)

Equal LIS

January Long 2022 - I, Division 1 (Unrated)

Keplers Law, Prime in a binary string, Retrieve back the Array, Covid Spread, Chef and Riffles

January Long 2022 - II, Division 1 (Unrated)

Crying Colours

SnackDown 2021 - Final Round Parallel Contest (Unrated)

Ones Guessing

Exun 2021-22 Division 1 (Unrated)

Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game, Neil and his Binary Tree, Harshikaa and the Rain

CodeChef Starters 23 Division 1 (Unrated)

Average of Three, Chef and Profits, Subarray Mex, Maximising Vacations

Starters 84 Division 1 (Rated till 6 Stars)

MEX Sequences, SUM OR, Max count of 1, Digit Operation, Chef And Adjacent Sums

Starters 124 Division 1 (Rated till 5-Stars)

Swap and Unite, Make It One

Starters 129 Division 1 (Rated till 5-Stars)

Palindromic Substrings, ConstructXor

Starters 132 Division 1 (Rated till 6 Stars)

ALIEN-OR, Optimal Flip, MEX QUERIES , Prime Query

Problems Authored (14)

Problems Tested (0)

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Editorials Contributed (17)