Yash Daga

November Lunchtime 2019 Division 2

Planting Trees, Compress the List

December Challenge 2019 Division 2

Plus Multiply, Sticky Notes, That Is My Score!

December Lunchtime 2019 Division 2

The Evil Professor, Stupid Machine, Check Algorithm

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 2

Chef and Railway Stations, Expected Change, No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 1

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

May Challenge 2020 Division 1

Triple Sort, Coronavirus Spread

January Cook-Off 2020 Division 2

Chef Chick

March Cook-Off 2020 Division 2

Mysterious Sequence, Find Your Gift, Box of Chocolates

May Cook-Off 2020 Division 1

Roads in Chefland

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food

April Lunchtime 2020 Division 2

Another Birthday Present!, Positive Mex, Chef in Fantasy League

May Lunchtime 2020 Division 1

Convert the String

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Minion AND Range, Recruit Villagers

June Challenge 2020 Division 1

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

July Challenge 2020 Division 1

Ada King, Chefina and Swaps, 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

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 1

Binary Concatenation

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship

August Lunchtime 2020 Division 1

Game on a Strip, Counting Graphs, Alien Invasion

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

RECode 12.0 (Rated for all)

Chef and String, Chef and Rotation, Chef and Numbers

October Challenge 2020 Division 1

Inversions, Positive AND, Rooted Minimum Spanning Tree, Replace for X, D-Dimensional MST, Compress all Subsegments, Adding Squares, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 1

Restore Sequence, Magical Candy Store, Scalar Product Tree

December Challenge 2020 Division 1

Hail XOR, Square Root of LCA Convolution, Calculus, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

December Cook-Off 2020 Division 1

Self-Destructing Strings, Sed Passwords, Circle of Chaos, Carry All Fruits

January Cook-Off 2021 Division 1

Mex Subsequence, Not Too Colourful

January Lunchtime 2021 Division 1 (Unrated)

Good Grid, Shifting Spoons, Dreams of Divisibility, Even Sum

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates, Hiring Workers

October Lunchtime 2020 Division 1

Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets

September Cook-Off 2020 Division 1

Maximise Subsequence Value, Minimum Insertions

September Lunchtime 2020 Division 1

Root the Tree

Code Ensemble (Rated for Division 2)

Cherry and Bits, Priya and AND, Traversing Trees, Help Martha

UWCOI 2021 (Rated for all)

Organisation, Array Swaps, Efficient Delivery, Hidden Numbers, Binary Puzzle

February Challenge 2021 Division 1

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

February Lunchtime 2021 Division 1

Average Sorting, Sed Max, Independent Set

International Coding Marathon 2021 Division 1 (Unrated)

Suffix Sort, Infinite polygons, Stack Of Rectangles, Team Divisions, Special String, Lucky Boundaries

April Lunchtime 2021 Division 1

A Special Tree

SPYBITS IIT BHU Division 1 (Unrated)

B - Valentine Couples, C - Mission Gotham, D - Pilgrims Destination, F - Stone Land, A - Save Water Save Life

May Cook-Off 2021 Division 1

Permutation Swaps, Falling Zero, Double Burgers

May Challenge 2021 Division 1 (Unrated)

Valid Paths, Tree House, Xor Equality, Tic Tac Toe, Modular Equation

June Challenge 2021 Division 1 (Unrated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Dual Distance, Summer Heat, Minimum Subtree Cover

July Challenge 2021 Division 1 (Unrated)

XxOoRr, Chef vs Bharat, Optimal Denomination, Chef and Pairs, K Path Query

July Cook-Off 2021 Division 1

Beautiful Subsequence, Mod Equality, Hidden Colored Graph, Make the Matrix Beautiful

August Cook-Off 2021 Division 1

Odd Array, Different String, Interactive Equivalency, Clear the Array

August Lunchtime 2021 Division 1

Bunny Hops, Just a Graph, Chef and Deque

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, 2-D Point Meeting, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 1

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

SnackDown 2021 - Online Qualifiers

Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

CodeChef Starters 14 Division 1 (Unrated)

Odd GCD, Task Times, FIXFIX

October Challenge 2021 Division 1 (Unrated)

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

September Lunchtime 2021 Division 1

Interesting Representation, Alice vs Bob Faceoff

October Cook-Off 2021 Division 1

Can You Reach The End, Find the Modulus, Chef Up, Permutation Sorting Game

October Lunchtime 2021 Division 1

Median Rearrangement, Tree Upshot

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)

Xor Equation, Weird Palindrome Making, Hill Sequence, Maximise the bridges

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all)

Graduate Work Matters, Sorting Segments

CodeChef Starters 19 Division 1 (Unrated)

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

November Lunchtime 2021 Division 1

Subarray Jumps

December Challenge 2021 Division 1 (Unrated)

Increasing String , Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, Squares Counting

December Cook-Off 2021 Division 1

Binary String Game, Destructive Nim, RGB Construction, Break the Balance

CodeChef Starters 21 Division 1 (Unrated)

Magical Subsequence, ChefWM, And Or Union, Mean equals Median, The Melancholy of Problem Setter

CodeChef Starters 22 Division 1 (Unrated)

Merging Binary Strings, Equal LIS

Infinity 2k21 Division 1 (Unrated)

Marbles, Ddakji, Tug of War, Escape Plan, Hopscotch, Dalgona Treat

January Long 2022 - I, Division 1 (Unrated)

Sequence Master, Retrieve back the Array, Chef and Riffles

SnackDown 2021 - Final Round Parallel Contest (Unrated)

Ones Guessing, Finally, Non Ad-Hoc Problem

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 Cook-Off 2022 Division 1

Subsegment Divisibility , Merged LIS, Prime Graph, Erase All But One

January Lunchtime 2022 Division 1

Permutation XOR Sum

CodeChef Starters 25 Division 1 (Unrated)

Building Towers, Equal MEX, Hidden Permutation, Count Arrays, K Distinct Array, Points and Lines, Fit in Data Type, Chef and His Fruit Stand

February Cook-Off 2022 Division 1

Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market

CodeChef Starters 26 Division 1 (Unrated)

Stone Game, Array Division, Careless Chef

February Lunchtime 2022 Division 1

Visit Them All, Magical Modulo, Magnet Sort

CodeChef Starters 28 Division 1 (Unrated)

Counting Pairs, Travelling in the Graph, Permutation Xority, Interactive Tree, Broken Dreams, Interactive Tree 2

CodeChef Starters 29 Division 1 (Unrated)

Plusle and Minun on Array, Triple Sundae, Increase 2 consecutive characters, Decomposition Reaction, Max Heat

CodeChef Starters 30 Division 1 (Unrated)

Minimum Coloring, Maximizing LIS, Gift Shop and Coupon, Balanced Reversals

March Cook-Off 2022 Division 1

Secret Tree, Dragonado And XOR, Alternating Divisibility

April Cook-Off 2022 Division 1

Chef Goes Shopping, Sorted Distances

May Lunchtime 2022 Division 1 (Rated)

Balanced 0-1 Tree, Equal After And, Rearrange Ranges

June Cook-Off 2022 Division 1 (Rated)

Throw and Take, Simple XOR, Prefix Suffix Distinct, Split AND Sum

June Lunchtime 2022 Division 1 (Rated)

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

August Lunchtime 2022 Division 1 (Rated)

Sort the Array, Tree Coloring, Subtract 12 Operation

September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)

Increasing Addition

Starters 62 Division 1 (Rated for 5 & 6 stars)

Joint XOR, Disjoint XOR, Sorted Substrings, Make Multiple, Pythagorean Pair

Starters 63 Division 1 (Rated for 5 & 6 stars)

Maximize 1s, Count Partitions , Make Length 1, Minimum Absolute Score, Greedy Grid Moves

Starters 65 Division 1 (Rated for 5 & 6 stars)

Nahaane Jaa, Paisa Double, Binod, Gormint Aunty, Potato to Gold, Lazy Ancestors

Starters 66 Division 1 (Rated till 5-stars)

Sorting the Binary String, Good Binary Strings, Palindrome by Splitting, Connect All Cities, Palindrome In Making

February Cook-Off 2023 Division 1 (Rated)

Take Not Less, Alice Potter and OWL, Alice Potter And Dumbledore Army

Starters 128 Division 1 (Rated till 6-Stars)

Binary Substring, XOR And Multiply, Counting Problem

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