physics0523

Practice: 

Minimum and Maximum, Permutation War, Strip in a Tree!, Chef and Secret Recipe, Dot Time, Xor Jar Muluk Tar, Chefland Squads and the Army Chief, Carry Bed, Maximum Candies, Cybertree, Max LCA Sum, Galactic Leaderboard

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, Peak Finding, 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

Inferno Numero IIT BHU: 

Jewel Mine, WIN IT, CHRISTMAS EVE, Good Array, Illuminated boxes, Couple In Ruiz Land

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

Code Aaj Kal: 

Obsession with 7, Chefs Special Palindrome, Chef and 2 Strings, Cheems The Lover, Halry vs Harry, Jethalal and Mehta, Bouncing Lights, Sale of Watches

JUST CODE IT 3.0: 

Minimum operations, Power of 2, Chef needs Help, Chef and Tourism, Chefina and Candies, Chef’s Number Puzzle

February Lunchtime 2021 Division 1: 

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

DeCode 2021: 

Princess Security, Two seconds left

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

Brute Force 1.0: 

Mind Palace, Sherlock Challenges, XOR-duction, The Revenge, GCD Sequence, The Final Problem

Bappa ka Prashad: 

Balanced Plates, Lovely Numbers, Naamkaran, Unique Test, Ganesh and Kartik, Additional Number, Clever Priest, Sequence Sum

Codigo 2021: 

Best Friends, Find original, Top Three Fairness, Eating Chocolates, Yet another sum, Good count, Aw Jeez, Rick!

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

DSA Marathon 1.0: 

GOOD ARRAY, Chefu and Chefali , Password Generator System, Jockey learning

Code-O-Fiesta: 

GAME OF CARDS, CHEF AND DNA, STRONG PASSWORD, CHEF INCORPORATED, PROFESSOR AND BULBS, HOMOGENEOUS STRINGS

Code Anthem 1.0: 

Chef Rating, Maximum Value , Maximum Value (Easy Version), Maximum Value (Hard Version), Party Game, Computer Networks

IPL - Indian Programming League : 

Dhoni and Youngsters, Trophy or Hearts , Lucky Area, Generous Kabir , Kings Formation , E-Sala-Cup-Namde

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

Code_Smashers 1.0: 

Print The Pattern, LOW AND HIGH, Crack The Logic, Find The Rankers

The Code Dungeon: 

C - Tree Sum, E - Choosing Candies, A - New Adventure, D - Linear Paradise, B - Coin Trade

SnackDown 2021 - Online Round 1A: 

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

Coderatri: 

F - Pair Sum, G - Unique Paths, B - Count Unique Elements, C - Alex and Integer, A - Bob and Strings, E - Diwali Mela, D - Another Bracket Problem

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

Code In The Shell [UNRATED]: 

Tanushree and Concert, Christmas Gifts, Arpita and Rodents, Rei Ayanami and Triangular Colony, Shinji Ikari and Beautiful Images

CRACK-A-CODE: 

SUPER REDUCED STRING, ARRAY LEFT ROTATION, SIMILAR DISHES, ZARA AND LIBRARY

January Cook-Off 2022 Division 1: 

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

SPYBITS 2022 CONTEST-1: 

Two Equations, The missing GCD (easy version), Fastest division, Sum of products (easy version), Samurai and the XORring Problem, The missing GCD (hard version), Sum of products (hard version)

January Lunchtime 2022 Division 1: 

Circular Permutation Recovery, Permutation XOR Sum

Cracking The Code: 

Yet Another 2-Bit Problem, Yet Another Profit Problem , Yet Another Subsequence Problem, Yet Another Connection Conundrum, Yet Another Milky Way , Yet Another Base Problem, Yet Another Average Problem

February Cook-Off 2022 Division 1: 

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

HELLO WORLD 2.0: 

Allot Table, Lucky Pair, study mode, Chef Birthday, Phineas and Flies, Valentine Gift

February Lunchtime 2022 Division 1: 

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

Codesque: 

Chefs New Year Letter, Binary Robot, Artist Chef, TOWN SCHOOL

March Cook-Off 2022 Division 1: 

Dragonado And XOR, Alternating Divisibility

March Lunchtime 2022 Division 1: 

Winter, Adjacency Love, Separate Them All

DECATHLON: 

Max Min Subsequence, Three Section and Chemicals, Walters Choice

Decode 2022: 

Kalakshetra

April Cook-Off 2022 Division 1: 

Chef Goes Shopping, Sorted Distances, Max LCA Sum

Code Blooded 2.0: 

War_In_Country, Video Game, College Library , Converese Palindrome

April Lunchtime 2022 Division 1(Rated): 

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

Algo Maniac : 

1960s TELEVISION, CHEF & HOTEL, CHECKERBOARD, BIRTHDAY

International Coding League, 2022: 

MANISH ALGO, Swap and Sort, Now You Check Me, Game Night, Reverse String, Count Palindromes

Code Mania: 

Age Category, Hawkeye Intern, Longest Name, XOR Pair, Integer Game

International Coding Challenge: 

Find the Median, Non-Zero Xor

BROCODE: 

Earn CRED Credits, Hair Cutting, Photoshoot, Strictly Increasing Score

Coding Days: 

First Day, Growing Rivalry, Pass or Fail, Grid x Grid, Alice and Keppler

Code-de-Code: 

Single Floor Apartment, Meet the Multivengers, Uncertain Delivery, Playing with the matrix, Smart Solution to Avoid Collision, Looks Easy, Chocolate Distribution, Darkseid Is, Vowel_Swap, Cheems Lamnguage

Codelicious 22: 

Mountain Array

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

Code Smasher: 

Unrealistic Gift, Jujutsu Pairing, Predict the game, Catch The Thief , Nice Array

D'Code Amalthea '22: 

Maximal AND

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

INSOMNIA: 

Freelancing Firm, OR and XOR, Required Run Rate, Three Dogs, Temple Run, Good Paths - Bad Nodes, Distance between Plus, Seven Segment Display, Flappy Bird, Make Equal, Generate AB String, X to Y

Starters 83 Division 1 (Rated): 

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

Codelicious: 

Musklon, Pyro Billboard, Mayor got Issues, Ogopols like Maxopols, Use Wormholes, Nachiket and Supernova

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

Codelicious: 

Peter And Haunted Garden, Halloween & Chocolates, The Spooky Tree, Mysterious Plates, Magic Word, Halloween Ghouls

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