Rahul Dugar

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest, (Challenge) Connecting computers

December Challenge 2017

Chef and Universe, Total Diamonds, Santa Delivering Problem, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

December Cook-Off 2017

Beautiful Array, Football Match

September Lunchtime 2017

Chef and Cook-Off Contests

October Lunchtime 2017

Buggy Calculator, Maximum Number

November Lunchtime 2017

Smart Strategy

December Lunchtime 2017

Days in Month, Strange Function

January Challenge 2018

(Challenge) Chef and Palindromes, K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

January Cook-Off 2018

Multiple of 3, Survive in ChocoLand

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

Broken Clock, Lucas Theorem, Chef And Land Labeling, Chef And His Characters, Chef And The Patents, Points Inside A Polygon, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome

International Coding League (Rated)

Matrix Game, Stingy Strings, Maze Love

February Lunchtime 2018

Game with numbers, Jumping in the hills

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting, Embedding a Tree (Challenge)

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores a Matrix

October Mega Cook-Off 2018 Division 1

Binary Nim 2, Pumping Water

November Cook-Off 2018 Division 1

Beautiful Garland, A-B Game, Tree Unattractiveness

April Challenge 2018 Division 1

Chef and Array (Challenge), Cutting Plants, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes, Chef and Same Old Recurrence 2

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs

July Challenge 2018 Division 1

Tom and Jerry, Reach Equilibrium, Chef and War with Taran (Challenge), No Minimum No Maximum, Gears

August Challenge 2018 Division 1

Coordinate Compression , Modular GCD

October Challenge 2018 Division 1

Walk on Tree, Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Coprime Components, Distinct Rows in Submatrices

July Lunchtime 2018 Division 1

Forced Particles, Prime divisors

ALKHWARIZM (Rated)

Help Voldemort, Wingardium Leviosa, Sam, The Charming Angel

Insomnia 2018 (Rated)

Split Sums, Strange Swaps

Quick Code (Rated for Division 2)

Immortal Frieza, Majin Vegeta, Dr Geros lab, Krillin is dead AGAIN, Defeating Beerus

Replay of Indian IOITC 2018 #2 (Rated)

Changing Numbers

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success, Awkward Pairs

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Maximum Distance, Party, (Challenge) Chef and Matching Game, A Pizza Slice

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

XOR! Wait for it, Return of the Gargoyle King, Ross goes for Shopping, Summation over nCr, Sherlock and His Device

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Yet Another Tree Problem, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Maximize the Tax

March Challenge 2019 Division 1

Perfect Tree Problem, Yet Again a Subarray Problem, Matchable Permutations

Coders' Legacy 2019 (Rated for all)

Bathwater, IPL and RCB, Up for a Game

April Challenge 2019 Division 1

Offer for Chef, Kira Loves Palindromes, Mininum XOR over Tree, Playing with Numbers, Subtree Removal, Edgy, Moving Rectangles (Challenge)

May Cook-Off 2019 Division 1

Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor, Searching for a Biclique

May Lunchtime 2019 Division 1 (Unrated)

Grid Tour, Reverse Maximisation, XOR Magic, Intervals and Intersections, Abdullah and Toll Discounts

June Cook-Off 2019 Division 1

Zawad and Index Sum, Ants and Anteaters, Drink Slush

June Lunchtime 2019 Division 1

Fuzzy Conversions, The Grux Permutation , Gii and His Club, Igzi and Burly Array

July Challenge 2019 Division 1

Hit the Coconuts, Snake and Apple Tree, Guess the Prime!, Codechef War, LOVEMUFFIN, Maximum and Minimum, Circular Merging, (Challenge) Codechef War II

July Cook-Off 2019 Division 1

Birthday Gift Again, War in Treeland Again

August Cook-Off 2019 Division 1

Warriors, Rich Substrings, Two Circles

September Mega Cook-Off 2019 Division 1

Angry Grandfather, Fitness Exercises

October Mega Cook-Off 2019 Division 1

D-Value, Hidden Sequence, D-Or

November Cook-Off 2019 Division 1

The Biggest Restaurant, The Challenge Day, Robots in Chefland

International Coding League 2019 (Rated for Division 2)

FlatLand, Too Many Candies, A Weird Device, Earning A Profit

Alkhwarizm (Rated for all)

Arya and the Grid of Stars, Winter Is Here, Weirwood Trees, Danny Wants To Know, They are COMING

Code Melange (Rated for all)

Greg and Grid, A Small Array, Go Round, Longest Xommon Subsequence, Max power

February Challenge 2020 Division 1

Chef and Railway Stations, Expected Change, No Change Required, Chef and Gordon Ramsay 2, (Challenge) Raisins, Long Contest and Cook Off Overlaps

March Cook-Off 2020 Division 1

Mysterious Sequence, A Tree to Remember, Maximize Letter Beauty, Random Chocolates, Escape the Tree

April Cook-Off 2020 Division 1

Tower Counting, The Gifting Problem, Simple Operations, Inversions in Permutations

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Chefland Squads and the Army Chief, Chefina on a Trip, Roads in Chefland

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM, Strip in a Tree!

April Lunchtime 2020 Division 1

Dot Time, Xor Jar Muluk Tar, Triangle Query, Positive Mex

Biteration #2 (Rated for Division 2)

A - Books, B - Candy Love, D - Break the Rules, F - Random Strings, C - Chef and Maths

International Coding Marathon (Rated for all)

Lavanya Loves DFA, Are These Equal, Is This a Long Challenge, Conservative Graph, Mr Pr in a Dilemma , Is This JEE

RECode 12.0 (Rated for all)

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

July Lunchtime 2021 Division 1

Xor Separation, Longest Good Segment, Bad Luck

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, 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)

One Change Subsequences, Random Convex Hull, Graduate Work Matters, Sorting Segments

SnackDown 2021 - Final Round

Ones Guessing, Finally, Non Ad-Hoc Problem, AND of Maximums

Problems Authored (2)

Problems Tested (0)

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Editorials Contributed (0)

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