Karan Aggarwal

December Challenge 2012

Granama Recipes, Magic Rankings

December Cook-Off 2012

Packaging Cupcakes, Reversing directions

January Challenge 2013

Little Elephant and Alcohol, The Minimum Number Of Moves, End Of The World, Chef of the Year, Three Different Numbers

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs, Efficient Painting

February Cook-Off 2013

Lack of Logic, Row and Column Operations

March Challenge 2013

Tourist Translations, Approximately, Fire Escape Routes

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, Kingdom Unity, Fault Tolerance, Maximum Weight Difference, Levy Conjecture

April Cook-Off 2013

Andrew and the Meatballs

May Challenge 2013

Matchsticks, Witua and Math, Tree Counting, Password Cracking Challenge, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

Little Elephant and Mouses, Collecting Magical Berries, Just Some Permutations 3, Dessert Wizard, Two k-Convex Polygons, Count Special Matrices, Predictopus, To challenge or not, W String, Lapindromes

May Cook-off 2013

Subtraction Game 1

July Challenge 2013

Chef and Walking on the rectangle , Count K-Primes

Lunch Time July 2013

Cooking dishes

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Deleting numbers, Splitting Candies

August Lunchtime 2013

Pairwise AND sum, Matrix

September Challenge 2013

Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2, Sereja and Snake

September Cook-Off 2013

Strange Matrix, Game, Code

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, Yet Another Nice Girl

November Challenge 2013

Chef Game, Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs

November Cook-off 2013

Number of Paths, Rank of the Number

November Lunchtime 2013

Lucy and the Number Game

December Challenge 2013

Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

December Cook-off 2013

Chef Goes Through Segments, Chef and Girlfriend, Chef and Combinatorics

December Lunchtime 2013

Mike and Task Packages, Mike and Matrices

January Challenge 2014

Bon Appetit, Please like me, Chef and Feedback

January Cook-off 2014

Chef and the Cake I

March Cook-Off 2014

Game of Divisors, ABC-Strings, Dividing Stamps

April Cook-Off 2014

Snape and Ladder

May Cook-Off 2014

Divide the Cake, Ups and Downs

June Cook-Off 2014

Where the Wild Things Are, Counting Flags, Knapsack Problem, Painting

August Cook-Off 2014

Tree Game, Permutation Shuffle

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD, Subarray LCM, World War 2

October Cook-Off 2014

The Army, Walk on the Axis, Mahesh and his lost array

November Cook-Off 2014

Lost Graph, Most Distant Points, Brackets, Petersen Graph

February Challenge 2014

Draughts, Make It Zero, Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

March Challenge 2014

Team Split, Binary Tournament, Walk, Little Chef and Numbers, Mike and Stamps

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Little Elephant and Balloons, Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

Little Elephant and Blocks, Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Little Elephant and Painting, Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner, Game of Numbers

August Challenge 2014

Mountain Holidays 2, Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Chef and Words, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Alok-nath and His Sanskars, Kali and Devtas, XOR with Subset, Chef and Apple Trees

January Lunchtime 2014

Chef and Shop, Chef and String, Chef and Numbers

October Lunchtime 2014

Tanu and Head-bob, And Tuples

January Challenge 2015

Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

April Challenge 2015

Count Sequences, Chef and Array, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales, Devus and their voting system

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

August Challenge 2015

Chef and insomnia

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Spheres, Rupsa and Equilateral Triangle

November Challenge 2015

Simple Sum, Chef and cakes

February Cook-Off 2015

Fit Squares in Triangle, Strategy for the World Cup

March Cook-Off 2015

How to Minimize a String, How to Repaint a Fence

April Cook-Off 2015

Equality, Version Control System

June Cook-Off 2015

Strange operations

July Cook-Off 2015

Path containing K Nodes

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Reign 2, Forgotten Language, Super Numbers, Stacks

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

November Cook-Off 2015

Sereja and Array and Subtracting

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, Chef-Detective, Matrix Maximum Sum

April Challenge 2016

Chef and Ballons, Chef And Coloring

August Challenge 2016

Chef and Chocolate, Chef and Round Run

March Cook-Off 2016

Digital clock, Dual Nim, Alternating subarray prefix, The potato problem

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

March Lunchtime 2016

Arrays Sum, Simple Statistics, ABABAABA

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

February Lunchtime 2017

Bear and House Queries, Bear and Milky Cookies

August Long Challenge 2017

Palindromic Game

March Cook-Off 2017

Rainbow Graph, Yet Another Card Game, Safe Robot

IOPC 2017 (Rated)

The Birthday Tears, Game Of Life, Max Out

April Cook-off 2018 Division 1

Run Direction, Binary Nim

November Challenge 2018 Division 2

Chef and Ridges, Chef and Difficult Contests, Chef and Happiness

June Lunchtime 2018 Division 1

Summary Power

Insomnia 2018 (Rated)

Count Nodes, Split Sums, A Game of Game, Strange Swaps, Function Function

October Challenge 2019 Division 2

Operations on a Matrix, Phone Prices

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!

Alkhwarizm (Rated for all)

Danny Wants To Know

May Challenge 2020 Division 2

Buying a New String, Triple Sort, Coronavirus Spread, Chef and Bitwise Product, (Challenge) Nanobots, Isolation Centers

February Lunchtime 2020 Division 2

At the Gates

June Challenge 2020 Division 2

Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

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

August Challenge 2020 Division 2

Insanely Hard School Exams, Subsequence Frequency Counting, Chefina and Strange Tree, 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 2

Even-tual Reduction, OR-thodox Distinction

October Challenge 2020 Division 1

Positive AND, Replace for X

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

January Challenge 2021 Division 2

Chef and Ants, Expected Number of SCCs, Watching CPL, Fair Elections

December Challenge 2020 Division 2

Hail XOR, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

February Challenge 2021 Division 2

Frog Sort, Maximise Function

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

August Long 2022 Division 2 (Unrated)

Angled Flip, XOR with smallest element, Hello Equation, Two Trains

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations, Alternative Sufferings

October Long 2022 Division 2 (Unrated)

Chef And Array Construction, Twos and Zeros, Binary Substituition, Single Operation Part 1, Single Operation Part 2

Starters 60 Division 2 (Rated)

Distinct Numbers, Red Green Grids, Yet Another Palindrome Problem, Palindrome Flipping

Starters 93 Division 2 (Rated)

Break Free, Thank U, Next, NASA, Greedy, Problem

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, Search for 404, Special Operation, The Vowel Matrix, Rank Queries

Starters 99 Division 2 (Rated)

Segment Three, Musical Chairs, Two Piles, Yet Another Bitwise Problem, Card Swipe, Exclusion-Inclusion

Problems Authored (0)

No Contribution

Problems Tested (12)

Editorials Contributed (1)