physics0523

January Challenge 2018

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

February Challenge 2018

Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome

March Challenge 2018 DIV 2

Pishty and Triangles, Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas, Embedding a Tree (Challenge)

May Cook-off 2018 Division 1

Best Cake Ever

May Lunchtime 2018 Division 1

Count Substrings

April Challenge 2018 Division 1

Chef and Array (Challenge), Cutting Plants, Weight of Numbers, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 1

Mighty Friend, Change the Signs, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 1

Vision

January Challenge 2020 Division 1

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

February Challenge 2020 Division 1

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 1

Chef and DAG, XOR Engine, Break, Ada Bishop 2, Winning Ways 2, Lasers Everywhere, Inverse of a Function, Lasers Everywhere Alternative, Pintu and Fruits, (Challenge) 300 IQ Ants

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 1

Buying a New String, Triple Sort, Sorting Vases, Not a Real World Problem, Coronavirus Spread, Chef and Bitwise Product, (Challenge) Nanobots, Isolation Centers

January Cook-Off 2020 Division 1

Profitable Paths, Range AND, Chefina and Sums

April Cook-Off 2020 Division 1

Simple Operations, Inversions in Permutations

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

January Lunchtime 2020 Division 1

Construct Array, Under the Tunnels, Folding Paper

February Lunchtime 2020 Division 1

Swapping to Palindrome, Monsters Battle, Secret Mission

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM

April Lunchtime 2020 Division 1

Xor Jar Muluk Tar, Triangle Query, Positive Mex

May Lunchtime 2020 Division 1

GCD of the Submasks, Absolute Min Max, Escape One, Convert the String, Tree difference

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Banana String, Corruption in Freedonia, Gru is Handing Out Bananas, Minion AND Range, Is it Sorted or Not, That is the Question, Recruit Villagers

UWCOI 2020 (Rated for all)

Button Pairs, Base Plans, Find maximum in an Array, Blocks, Mercury Poisoning

June Challenge 2020 Division 1

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

July Challenge 2020 Division 1

Ada King, LCM Constraints, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 1

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, Rotate the Polyline, Move the Coins - Creating Tests, Divide Candies, Ada Matrix

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 1

Profitable Paths 2, Golomb Sequence, Chef and Steps, Binary Concatenation

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship, Beautiful Subsequence

August Lunchtime 2020 Division 1

Game on a Strip, Counting Graphs, Alien Invasion

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints, Banned Quotient

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

RECode 12.0 (Rated for all)

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

December Cook-Off 2020 Division 1

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

January Cook-Off 2021 Division 1

Mex Subsequence, Not Too Colourful, Prefix And, Equal Gifts

December Lunchtime 2020 Division 1 (Unrated)

K-Tuple Tree, Even Sequence, Three Letters, One Zero Swaps

January Lunchtime 2021 Division 1 (Unrated)

Good Grid, Cheapest Travel Plan, Shifting Spoons, Dreams of Divisibility, Even Sum

September Cook-Off 2020 Division 1

Maximise Subsequence Value, Minimum Insertions

September Lunchtime 2020 Division 1

Root the Tree, Robot Detector

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, 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

February Lunchtime 2021 Division 1

Average Sorting, Sed Max, Chef and Reordering, Independent Set

March Lunchtime 2021 Division 1

Node Codon, Uniform, Lunchtime, Gamer

April Challenge 2021 Division 1

Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Boolean Game

April Cook-Off 2021 Division 1

Tree Distances, OR of ANDs, Valet Parking

April Lunchtime 2021 Division 1

A Special Tree

May Cook-Off 2021 Division 1

Permutation Swaps, Falling Zero, Double Burgers

May Lunchtime 2021 Division 1

Total Components, K-Subarrays

June Cook-Off 2021 Division 1

Binary String on Steroids

July Cook-Off 2021 Division 1

Beautiful Subsequence, Mod Equality, Hidden Colored Graph

July Lunchtime 2021 Division 1

Xor Separation, Longest Good Segment, Bad Luck

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

September Cook-Off 2021 Division 1

Chess Kings Chasing Game, Chef and Pairwise Distances, Permutation and GCD Set, 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, Three Boxes, Yet another MEX problem, Which Mixture, 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, Second Player, Find the Modulus, Chef Up, Permutation Sorting Game

October Lunchtime 2021 Division 1

Median Rearrangement, Tree Upshot

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, 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)

Graduate Work Matters, Sorting Segments

FizzBuzz Division 1 (Unrated)

Magical Planks, Clean The Sequence, Substring Minimum Function, Kingdom Attack

November Lunchtime 2021 Division 1

Min-Max Rotations, Permutation Pairs, Subarray Jumps

December Cook-Off 2021 Division 1

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

December Lunchtime 2021 Division 1

In-tree-active Node Coloring, Optimal Sorting, Romantic Reversals, Sleep Technique , Point constraints

January Cook-Off 2022 Division 1

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

January Lunchtime 2022 Division 1

Circular Permutation Recovery, Permutation XOR Sum

February Cook-Off 2022 Division 1

Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market, Slingshot

February Lunchtime 2022 Division 1

Permutation Xor, Chef Cooks Permutation, Visit Them All, Magical Modulo, Magnet Sort

March Cook-Off 2022 Division 1

Dragonado And XOR, Alternating Divisibility

March Lunchtime 2022 Division 1

Winter, Adjacency Love, Separate Them All

April Cook-Off 2022 Division 1

Chef Goes Shopping, Sorted Distances, Max LCA Sum

April Lunchtime 2022 Division 1(Rated)

Do Not Touch the MEX!!!, Secret Machine Mania

May Cook-Off 2022 Division 1 (Rated)

Different Subarrays Rearrange, Triple Inversions

May Lunchtime 2022 Division 1 (Rated)

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

July Cook-Off 2022 Division 1 (Rated)

Partition Queries, Segmentation Fault, Subsequence LCM

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, SPLIT With XOR Not X, Increase to Zero

July Lunchtime 2022 Division 1 (Rated)

Tree Interval Queries, Inversions Retrieval, Binary String Happiness, Consecutive XOR, Largest Family

August Lunchtime 2022 Division 1 (Rated)

Sort the Array, Tree Coloring, Subtract 12 Operation, MEX Permutation Difference

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

Increasing Addition, Remove Numbers, Adjacent Pairs, Longest Unfriendly Subsequence

February Cook-Off 2023 Division 1 (Rated)

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

Starters 86 Division 1 (Rated for All)

Least Size, Minimum Operation, Sum Over All Arrays, String Game , Prefix Max, Largest Y

Starters 83 Division 1 (Rated)

Mex Segments, Construct String, Order by XOR, Saber Slays, Rotate to Minimum, Restoration

Starters 93 Division 1 (Rated for All)

Thank U, Next, Why Try, NASA, Greedy, Bloodline, Motive

Starters 100 Division 1 (Rated)

Prime Permutation, Stamps 100, Concussive Sequence, Interesting Swap, Ant

August Long 2023 Division 1 (Unrated)

Codechef Copy, Spiritual Chef, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

September Short 2023 Division 1 (Unrated)

GCD Discount, Ultimate Fencing, Lucky Seven, Slow Start, Mixing Extraordinaire

Starters 113 Division 1 (Rated)

Count Distinct Arrays, Counting Is Fun, Maximise The Minimum, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score

Starters 115 Division 1 (Rated)

Subtraction Sequence I, Subtraction Sequence II, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero

Starters 144 Division 1 (Rated)

Counting Is Fun, Sort Lexicographically , Find P, Minimise Inversions, Largest K

Starters 161 (Rated)

Min-Max Game, Red-Blue Sort, The XOR Machine, One To Three, Quick Exit

Starters 162 (Rated till 5 stars)

Empty the String, Adjacent Sum Array, MEX of XOR, Sum of Empty the String, Permutation Mod K, Calorie Intake, Assignment Score, And Sort

Starters 163 (Rated till 5 stars)

Tree Sum is Fun !, Nice Array, Permutation Pair, Chef and Socks, Binary Sum, Minimum Types, Sort Them, Lexio Swap

Starters 169 (Rated till 5 stars)

Constant Subsequence, Hamming equivalent

Starters 170 (Rated till 6 star)

Array Compression, Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Simultaneous Robots, Stabilize Warwick

Starters 172 (Rated till 5 stars)

Transform String, AndOr, Forgotten Permutation, Binary Trisection, Tactical Removal

Starters 177 (Rated till 5 star)

Blocks on a Tree, Sum By OR, Flip or Reverse, Increasing XOR Queries, Counting 01 and 10

Starters 179 (Rated till 5 star)

Max Swap And, Lost in the Fest!!, Set Major, Product Path, Station Allocation, Unlock The Safe, Conquer the Fest!!, Can you reach, Set Major (Prefix)

Starters 181 (Rated for all)

Costly Swapping, The Best Matrix, Tree Colouring (Hard), Tree Operations (Easy), Flip Prefix

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