Arjun Dabra

Practice: 

Play on Words, Favourite Numbers, Magic Trick, Little Elephant and Exams, Music & Lyrics, Witua and Math, Expected Greatest Common Divisor, Vacation, Sereja and Graph, Prime Distance On Tree, Sorting, Lucy and Question Marks, Bon Appetit, Please like me, Chef and Feedback, Counting Bits, A Story with Strings, Ups and Downs, Time to Study Graphs with Chef, Coprime Triples, Lowest Common Ancestor, Bye, inversions!, Cyclic Prefix, Covering Sets, Chef and Stones, Sereja and Votes, Jersey Number, Gcd Queries, Let us play with rank list, Let us play with even and odd numbers, Cats of Schrodinger, Palindromeness, Shil and Triplets, String Match, Shil and Suffix Palindromes, Utkarsh and LCM, Utkarsh Lost in Cities, Shil and the Toy Factory, Devu and decorating birthday cake, Bored of Nim, Niceness of a tree, Shinigami and Apples, GCD on Tree, Max Subarray GCD, Alternating Colored Paths, Acyclic Graph, Poker Chips, Count Permutations, Maximum Magic Walk, Bob and BST Permutations, Magical Strings, Save The Trees, Taxi Fare, Strange Functions, Asya & Beautiful Strings, The potato problem, Polygon, Cats and Dogs, Evaluate the polynomial, Yet Another SubSegment Sum Problem, Cutting Cake, Beautiful Sandwich, Chef Land, Range Minimum Queries , Travelling in a tree, Asya & Number of Paths, Diagon Alley, Break the tree, Tree Palindromes, Number Lock, Tourists in Mancunia, Nasty Queries, Modular GCD, Chef and Dancing Steps

February Challenge 2015: 

Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

April Challenge 2015: 

Chef and Interview, Broken Telephone, Chef and Piano Scales

June Challenge 2015: 

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons

July Challenge 2015: 

Bread, MasterChef, Na2a and lucky stone, Chef and Cube

August Challenge 2015: 

Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia

October Challenge 2015: 

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle

December Challenge 2015: 

Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Chef and Girls

February Cook-Off 2015: 

Fit Squares in Triangle

May Cook-Off 2015: 

Devu and friendship testing

August Cook-Off 2015: 

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015: 

Super Numbers

October Cook-Off 2015: 

Word Stem, Almost Sorted Permutation

December Cook-Off 2015: 

Chef and Subarrays

June Lunchtime 2015: 

Chef and Two Strings

July Lunchtime 2015: 

Greedy puppy, Puppy and game

August Lunchtime 2015: 

Churu and lost string, Make Palindrome, Minimum Maximum

December Lunchtime 2015: 

Ancient Berland Roads, Distinct Codes

CodeZilla Prelims 2015: 

A Valentine Gift, Sum Queries, Pair Up, Help Arshu!

January Long Challenge 2016: 

Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

February Challenge 2016: 

Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective, Matrix Maximum Sum, Call Center Schedule

March Challenge 2016: 

Palindromic substrings, maximize the sum, Chef And Special Dishes

September Challenge 2016: 

Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

January Cook-Off 2016: 

Chef and Destruction, Chef and Fruits

June Cook-Off 2016: 

Sticks, Right Triangle, Chef Land

September Cook-Off 2016: 

Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Find The Point

June Lunchtime 2016: 

Collisions, One more weird game, Square in numbers

CodeBar: 

Count The Prime, Semusa Cipher, Semusa Modified Cipher, Semusa Queries

Keteki Quick Match 2: 

Write Word Quickly, Bubble Swap Count

Divide by zero: 

Shil Loves Exclusive Or, Shil and Rasenshuriken

June LoC Competitive Programming Marathon: 

Chef Shifu and Celebration, Exam Copy, Maximum Disjoint Subarrays, Good Numbers, Skyscraper Equilibrium

Past INOI Problems: 

Calvins Game

June Challenge 2017: 

Chef and Prime Queries, Saboteur (Challenge), A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

May Cook-Off 2017: 

La Liga, Balanced Array

August Cook-Off 2017: 

Matrix and Chef, Real obtuse, From heaven to earth

September Cook-Off 2017: 

Infinite OR Game, Statistics Construction, Subsequence Equality

October Cook-Off 2017: 

Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries, Chef and Dancing Steps

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: 

Chef and Soccer, Cheating on Queue, Perfect Tree Problem, Treasure Hunt, Yet Again a Subarray Problem, Matchable Permutations, (Challenge) Interleaving Strings

RECode 12.0 (Rated for all): 

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

Problems Authored (0)

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Problems Tested (0)

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Editorials Contributed (0)

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