Pranav Rajagopalan

June Lunchtime 2019 Division 2

Ping Paja Pong, Magda and Silly Pairs

July Challenge 2019 Division 2

Parity Again, Codechef War, Circular Merging, Minimum and Maximum, Chef and Mean

July Cook-Off 2019 Division 2

Birthday Gift Again, Playing with Strings, Two Variables

August Challenge 2019 Division 1

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

September Challenge 2019 Division 1

Easy Fibonacci, Biladerim Icin, Fuzzy Linear Combinations, Doofish Set, Chef Designed a Network

November Challenge 2019 Division 1

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, (Challenge) Coloring Triangulations

December Cook-Off 2019 Division 1

Xor It

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Addition

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English, Chefland Army, (Challenge) Building Anthills

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, Lasers Everywhere, Lasers Everywhere Alternative, Pintu and Fruits

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)

May Challenge 2020 Division 1

Chef and Bitwise Product

April Cook-Off 2020 Division 1

Tower Counting, Simple Operations

April Lunchtime 2020 Division 1

Positive Mex

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, Chefina and Strange Tree, Smallest KMP, Ants (Challenge) , Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements

July Lunchtime 2020 Division 1

Binary Concatenation

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

December Lunchtime 2020 Division 1 (Unrated)

Three Letters, One Zero Swaps

UWCOI 2021 (Rated for all)

Organisation, Array Swaps, Efficient Delivery, Hidden Numbers

February Challenge 2021 Division 1

Frog Sort, Team Name, Another Tree with Number Theory, Chef and Meetings, Prime Game, Multiple Games, XOR Sums, Maximise Function, Cut the Cake (Challenge), Bash Matrix, Cell Shell, Highest Divisor

March Cook-Off 2021 Division 1

Consecutive Deletions, Water Transfer, Chef and Sorting

March Challenge 2021 Division 1

Consecutive Adding, Paparazzi Gennady, Space Arrays, Wireless Electricity (Challenge), Maximum Topological Sort

April Challenge 2021 Division 1

Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Water Sort Puzzle (Challenge), Chef and Dice, Boolean Game

May Challenge 2021 Division 1 (Unrated)

Tree House, Xor Equality, Tic Tac Toe

July Cook-Off 2021 Division 1

Beautiful Subsequence, Mod Equality, Hidden Colored Graph

August Cook-Off 2021 Division 1

Odd Array, Different String, Chef 2 Chef, Clear the Array

August Lunchtime 2021 Division 1

Bunny Hops, Just a Graph, Chef and Deque

CodeChef Starters 9 Division 1 (Unrated)

Friend Groups In A Line, Black cells in a chessboard, Large Square, Bus full of passengers, Fibonacci concatenation, India Fights Corona

September Challenge 2021 Division 1 (Unrated)

XOR Equal, Shuffling Parities, Minimize Digit Sum, Treasure Hunt, 2-D Point Meeting, Airline Restrictions, Travel Pass, Covaxin vs Covishield, Minimum Digit Sum 2

September Cook-Off 2021 Division 1

Chess Kings Chasing Game, Chef and Pairwise Distances, Half Sequence, Fake Swaps

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

October Challenge 2021 Division 1 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR, Yet another MEX problem, Characteristic Polynomial Verification

September Lunchtime 2021 Division 1

Interesting Representation, Subsequence LCS, Alice vs Bob Faceoff

October Cook-Off 2021 Division 1

Can You Reach The End, Find the Modulus, Chef Up

October Lunchtime 2021 Division 1

Median Rearrangement

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Round 1B

Insider Subsequences, Queens Placement , Largest Laddu, Help Nishant

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Product Pain

SnackDown 2021 - Online Elimination Round (Rated for all)

Graduate Work Matters, Sorting Segments

CodeChef Starters 19 Division 1 (Unrated)

P Equal To NP, The Alternating Sum, Distinct Elements, Three Bikes

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

The One Where No One is Ready, The One with All the Candy, The One Where Joey Dates Rachel, The One with Ross Wedding

FizzBuzz Division 1 (Unrated)

Magical Planks, Clean The Sequence, Lucky Ali, Substring Minimum Function, Can_Reach, Can You Eat It, Kingdom Attack

November Lunchtime 2021 Division 1

Subarray Jumps

December Challenge 2021 Division 1 (Unrated)

Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, Utkarsh and Placement tests, Squares Counting

SnackDown 2021 - Final Round

Ones Guessing, AND of Maximums

CodeChef Starters 21 Division 1 (Unrated)

Devendra and Water Sports, Magical Subsequence, ChefWM, And Or Union, Covid and Theatre Tickets, Mean equals Median, The Melancholy of Problem Setter

Exun 2021-22 Division 1 (Unrated)

Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game, Neil and his Binary Tree, Harshikaa and the Rain, Vishesh and his Hate for Even Numbers

January Lunchtime 2022 Division 1

Circular Permutation Recovery, Permutation XOR Sum

February Long 2022 - I, Division 1 (Unrated)

Digit Multiplication By K, Binary Base Basics, Bitwise Blend, Remove Adjacent, N Queens Puzzle Solved !, Chef and the Hair Salon

CodeChef Starters 25 Division 1 (Unrated)

Building Towers, Equal MEX

February Cook-Off 2022 Division 1

Perfect Permutation, PerMEXuation , Mango Market

February Lunchtime 2022 Division 1

Magnet Sort

March Lunchtime 2022 Division 1

Winter, Adjacency Love, Separate Them All

Starters 36 Division 1(Unrated)

Buying Sweets, Reduce to 1, All Roads Lead To Rome

May Lunchtime 2022 Division 1 (Rated)

Balanced 0-1 Tree, Equal After And

June Lunchtime 2022 Division 1 (Rated)

The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Minimum Xor On Segment, SPLIT With XOR Not X, Increase to Zero

Starters 110 Division 1 (Rated till 5-stars)

Marbles,  Am I Lucky!, Monsters, Tetris

Starters 111 Division 1 (Rated till 6 Stars)

LCM Mania, Prefixing, Prime Range Game, Beautiful Strings, ODI Cricket

Starters 112 Divison 1 (Rated till 6 Stars)

Cursed Indices, Yet Another Array Game, Subtree Coloring

Starters 113 Division 1 (Rated)

Count Distinct Arrays, Minimise Maximum Subarray Sum, Make All Equal, Maximum Score

Starters 121 Division 1 (Rated till 6-Stars)

Frequal, Split And Maximize, Escape, Caesar Cipher Lite

Starters 137 Division 1 (Rated till 5-Stars)

Speedrun, Double Trouble, Unusual Queries

Starters 142 Division 1 (Rated till 5-Stars)

Sum of Xors, Pairs Sum with Length x, The Cards Machine, Array Removal, Number Hunt

Starters 145 Division 1 (Rated till 6-Stars)

Beautiful Array, Make Bob Win , Square String

Starters 150 (Rated till 6 stars)

Equal Pairs (Hard), Replacing Game

Starters 154 (Rated till 6 stars)

Count Winning Subarrays, GCD and XOR

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