Liu Qiangdong
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- List of teams by Liu Qiangdong
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Practice Problems (2266):
Practice:
Prime Generator, Transform the Expression, Factorial, Small factorials, Marbles, Relevant Phrases of Annihilation, The Burning City, Ordering the Soldiers, Stable Marriage Problem, Bytelandian gold coins, Ambiguous Permutations, Enormous Input Test, Sums in a Triangle, Simple Sorting, Silly Sort, Not a Triangle, GCD2, ATM, Help the soldier, The Rise and Fall of Power, A Christmas Pizza Puzzle, Johnny and the Beanstalk, Paying up, Place the mines!, Life, the Universe, and Everything, A Very Easy Problem!, The Lucky Draw, Primes in the GCD table, Team Selection, Quadratic Equations, Buggy algorithm, Lights Off, Revisited!, Nuclear Reactors, A Coin Game, Sum of pairs, Prime Palindromes, The Lead Game, Permutation Cycles, Discrepancies in the Voters List, Modulo, The N Queens Puzzle Revisited, The LCS Problem Revisited, Palindromic Numbers, Maze of Digits, Stone Game, Anagram, THE GAME, The Next Prime, Graph Counting, Summing Slopes, Flipping Coins, Maximal crosses, Squirrel and chestnut, Gravel, Adding Least Common Multiples, Randomly Testing Circuits, Cleaning Up, Decreasing String, The Perfect Chocolate Candy, Bonus, Flu Shot Lineup, Cutting Recipes, Ski Resort, Preparing Dishes, Count Relations, Milestones, Three Way Communications, Cutting Rods, The Route, Rectangles Counting, Cipher Text, A Prime Conjecture, Chef Teams, Tom And Jerry, Billboards, Infinite Grid Game, Open the Dragon Scroll, PDS Number, Last Digit Sum, New Restaurant, Hotel Bytelandia, Lucky Days, Team Formation, First non-Palindrome, Sum of Factors, Subanagrams, Lucky Number, Houses and Restaurants, Graph on a Plane, Ciel and A-B Problem, Dynamic GCD, Lucky Long, Home Delivery, Count of Maximum, Fit to Play, Little Elephant and Product, Is it a tree, Double Strings, Jewels and Stones, Little Elephant and Strings, Stacking Pancakes, Connected Components, String encryption, Little Elephant and Alcohol, Little Elephant and Candies, Little Elephant and Colored Coins, Top Batsmen, PRIME, Little Elephant and Exams, Little Elephant and Bombs, My Fair Coins, Arranging Cup-cakes, Event Organizer, Music & Lyrics, Closing the Tweets, Connecting Soldiers, Matchsticks, Range of Data, Delivery Boy, Racing Horses, Ciel and Receipt, Codechef Password Recovery, Forced Output, A New Door, Granama Recipes, Coin Flip, Carvans, Buy1-Get1, Tourist Translations, N Queens, Little Elephant and Permutations, Rat Maze, Arithmetic Progressions, Subset Sum, Expected Greatest Common Divisor, Root of the Problem, Packaging Cupcakes, Reversing directions, Chef of the Year, ChefGame, Count the Words, Queries on tree again!, Making Change, Three Different Numbers, Cipher, Find Minimum Distance, Palindrome, Level Of Difference, Prime or not, Fire Escape Routes, Row and Column Operations, Almost Prime, Helping Lira, A OR B, Levy Conjecture, Another Factorial Problem, ZooZooland Water Shortage, Name Reduction, Your Name is Mine, Andrew and the Meatballs, Andrew and the Strings, Dessert Wizard, SORT, Two k-Convex Polygons, Lapindromes, Cool Guys, Furik and Rubik and Sub Array, Chef and Segments, Chopsticks, Maxim and Dividers, Sereja and Game, Sereja and Commands, Count K-Primes, Attic Crossing, Online Shopping, Sereja and Graph, Sereja and Transformation, Prime Distance On Tree, Safe Routes, Chef and The Right Triangles, Tree, Polo the Penguin and the Numbers, Friendly Numbers, Polo the Penguin and the XOR, Uncle Johny, Missing some chairs, Chef and Codes, Combinatorial Numbers, Black and White Tree, Lucy and the Number Game, ATM, Number Mirror, Am I a Fibonacci Number, Lowest Sum, Magic Pairs, Rectangular Queries, Query on a tree VI, Perfect Subarrays, Please like me, Chef and Girlfriend, Chef and Feedback, Olympic Village, Longest Common Pattern, Little Elephant and Subarrays, Farmer Feb, Chef and Shop, Chef and String, Chef and Numbers, Subtraction Game, Compilers and parsers, Walk, Little Chef and Numbers, Mike and Stamps, Counting Bits, Subarray Xor, Sherlock and Inversions, Chef and Remissness, Chef and Kingship, Chef and Reunion, ABC-Strings, 3-Palindromes, Chef and Graph Queries, Sereja and D, Easy Tiling, Really Easy Tiling, Chef-jumping, Dividing Stamps, Divide the Tangerine, Substrings and Repetitions, Chef and Reversing, Chef and Frogs, Chef and Chain, Chef and Digit Jumps, Chef and Rainbow Array, Chef and Strange Matrix, Chef and Subarray, Chef and Bracket-Pairs, Shortest Path in Binary Trees, Chef and Square, Divide the Cake, Ups and Downs, Stone, Count Substrings, Count Permutations, Count Substrings, Guessing Game, Permutation Shuffle, Dish Owner, Divisible Subset, Jumping Monkeys, Maximizing Marks, Game of Numbers, Knapsack Problem, Painting, Sherlock and the Grid, Coprime Triples, The Smallest Pair, Dynamic Inversion, Subarray GCD, Subarray LCM, Shift The String, Rectangle Query, Copy-Paste, Present for Andrii, Chef and Gift, Chef and Array, Fun with Rotation, Fombinatorial, Divide or die, Children Trips, 2048, Tanu and Head-bob, Convert the Expression, Servers, Jam, Updating Edges on Trees, Chef and easy problem, Chef and easy problem 2, Chef and medium problem 2, Bye, inversions!, Determine the Maximum Sum of Weights, Steady tables, Spiderman and Jumping, The Dirty Path, Distinct Characters Subsequence, The Army, Walk on the Axis, A game of consecutive piles, XOR with Subset, Logging in the computer, The Problem Set, Chef and Churu, Player, Course Selection, Chef and Strings, Mangalyaan-2, Landing Platform, Mahesh and his lost array, Three elements, Chef and Apple Trees, Cascading Style Sheets, Jai Hanuman, Covering Sets, Rohan With Sticks, Brackets, Petersen Graph, Chef and Keyboard, Chef and Problems, Chef and Stones, Parenthesis with Maximum Sum Subarray, Domino Solitaire, Tom and Jerry, Charlie and Prime Numbers, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Delivery Man, Random Number Generator, Drawing Contest, Kings Dinner, Robot Movement, Fit Squares in Triangle, Piece of cake, Matryoshka Dolls, Jersey Number, Gcd Queries, Chef and Equality, Devu and Locks, Equilibrium number, Chef and Interview, Message Typing, Chef and Strange Operations, Lucky Four, The Warehouse, The First Cube, Broken Telephone, Find P-th Number, Jerry in a trap, Strategy for the World Cup, Chef and His Friend, Cats of Schrodinger, Library and Headcount, Devu, his friends and birthday gifts, Fibonacci, Virat and his challenge, Chef and Prime Divisors, Exam, Chef and Piano Scales, Chef and Laptop, Set Difference , ATM, Palindromeness, Equality, Version Control System, Prime Palindrome Sum, Tickets, Chef and Friends, Snow Leopard and sum of primes, Counting Primes, Counting on a directed graph, Expected Value, Laboratories, Zeroes, A New Scheme, Find Missing Number, Devu and Grapes, Chef And Hungry Birds, Find Remainder, Smallest Numbers of Notes, Sum of Digits, Reverse The Number, Helping Chef, Total Expenses, Id and Ship, Gross Salary, Valid Triangles, Grade The Steel, Gregorian Calendar, GCD and LCM, Second Largest, Small Factorial, Nikhil and Commands, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Chain of Doughnuts, Chef and Dolls, Chef and his Sequence, Digit wise operator, Merge Sort, Nikitosh and xor, Number of Ways , Devu and friendship testing, Rupsa and the Game, Dining, Rupsa and Number army, Train Partner, Cops and the Thief Devu, Intervals and subarrays, Palindromic Queries, Chef and Table Tennis, Count Steps in Matrix, Chef and Bitwise OR Operation, Chef and Two Strings, Chef and Tennis, Greedy puppy, Puppy and GCD, Puppy and game, Chef and Sets, Race Time!, Dividing Machine, Chef and Segments, Chef and Rectangle Array, Receipt Recovery, Forgotten Language, Spheres, Chef and the Cards, Chef and the XORed Number , Chef and the Number Sequence, Chef and the Wildcard Matching, Donald and Mickey, Pattern matching, Misha and Gym, Sum of palindromic numbers, The 8-Queens, Yet Another Problem About Sequences, The Gift Of Raksha Bandhan, Super Numbers, Chef And Operators, Jump mission, Simple Sum, Stacks, The Climbing Monkey, Cyclist Race, Mahasena, Avantika, Poker Chips, Count Permutations, Bhallaladeva, Chef-Detective, (Challenge) Chef and Palindromes, Processing a string, Chef and Array and K, Mutated Minions, Ancient Berland Roads, Chef and Destruction, Chef And Palindromes, Matched Brackets, Wormholes, Matched Brackets 2, Chewing, Distinct Codes, Palindromic substrings, Chef and Sign Sequences, Magical Strings, Distinct Colors, Jalebi Bai and Decks of Sweets, Chef and Pick Digit, Chef and Time Machine, Chef and Subarrays, Chef and Queries, Chef and LCS, The Christmas Cookies, Wait for it, Save The Trees, Cat and Mouse, Chota Mouse and his birthday cake, Longest Palindrome, Longest Common Subsequence, Bubble Swap Count, Chef and Fruits, Fibonacci Queries, Dabur Honey, Social Network, Malvika conducts her own ACM-ICPC contest series, Monika And Song, Chef and digits of a number, Digital clock, Knapsack on Tree, Alternating subarray prefix, COC battle, Divisibility test, Simple Search, Faded Palindromes, Chef and Tic-Tac-Toe, Chef and Polygons, Fullmetal Alchemist, Chef and Coins Game, Chef and Three Dogs, Puppy and Sum, Chef and cities, Rain Water trapping, Forest Gathering, Simple Statistics, ABABAABA, Get AC in one go, Asya & Beautiful Strings, Ada and crayons, Bhopu takes a Test, Simple Sum, Chef And Magical Path, The Closest Vertex, Profit Maximization, Fear of Rectangles, Cyclothon, Agent Chef, Chef And Coloring, Maximum K Sums, Help with selection, Multiuser Environments, Probability, Ilya and Sleep disorder, Climbing Stairs, PrePre, Movie Weekend, Odd Divisors, Polygon, Daddy and Chocolates, Cooking Schedule, The Vowel Phenomenon, The Bracket Problem, Chef and Round Run, Cats and Dogs, Laddu, Coins And Triangle, Misha and Geometry, Tandem, Devu and an Array, Evaluate the polynomial, Funny gnomes, Primitive Queries, Kitchen Timetable, Floor Division Game, Sticks, Right Triangle, Chef and Robots Competition, Longest Increasing Subsequences, Sharing Candies, Fair Pairing, N different palindromes, Different Neighbours, Cutting Cake, Chefland and Electricity, Best Maximum Product, Equalize, Beautiful Sandwich, Alliances, Chocolates for Everyone, Collisions, One more weird game, Chef Land, Range Minimum Queries , Defend the Recipe, JosephLand, Kirito in Memeland, Chef and Proportion, Chef and Numbers, A Good Problem, Drumpf for President!, Easy Triangles, If - Else Problem, Digit Longest Increasing Subsequences, Nearest to Me, Studying Alphabet, Sorting Tool, Completing favorite game, Take Turns, Kth Max Subarray, Sahil The Anime Lover, Joker and Batman, Raymond And Network, Lazy Jem, Write a program to reverse an array or string, Chef and Inequality, Zack And The Handkerchieves, Find The Digits, Pattern, Prime Numbers, Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Chef and Roads, Sagar And Pens, Minimum Cost Walk, Luther and Palindromes, Longest Increasing Subsequence, Task for Alexey, Exponential Deal, Help Lost Robot!, Beautiful Arrays, Watson and Digit Sums, Good Sets, Colorful Grids, Chef and Bipartite Graphs, Counting Lights, Query On Strings, Matching Brackets, Download file, Wow, Rangoli pattern, Placing Rook, Flipping Rectangles, Proper Divisors, Test the Year, Pythagorean Triplet, Palindromic String, Remove Duplicates, Tom & Jerry, Parhi And Multiplication, Chef and Subset, Chef and Subarrays, Painting a Town, Alice and Bob play Contact, The Saviours, Apaji Swings, Influence on Social media, ATM queue, Netcoin Verification, Mancunian Hoards Black Money, Bob vs ATM, Extreme Encoding, Men and Horses, Superheroes and villains, Robbery 101, Jumping Frogs III, Reservior, Nothing in Common, Pattern, Sum of distances, Mixing flavors, Captain Virat and His Strategy!, Be Greedy With Grid, Xenny and Alternating Tasks, Transpose Matrix, Next Permutation, Bear and Extra Number, Bear and Oveflow Points, Number Tower, Square of a Number, Maximum of Three Numbers, Second Max of Three Numbers, Logan and his XOR debacle, Increasing Xor Sequence, Golu and Sweetness, Sorting Problem, Long Sandwich , Logan and DIGIT IMMUNE numbers, Bear and Ladder, Bear and Species, Stable market, Pishty and tree, Diameter of Tree, Bear and Row 01, Bear and Clique Distances, The Birthday Tears, Rhett and Link, Bear and Candies 123, Bear and AB, Factorial Problem, Raman and The Bucket Challenge, Minimizing the dot product, Bear and Segment 01, Gotham PD, Chef and his daily routine, Triplets, Snake Procession, Temple Land, Prefix Inversions, Teleports, Hasan and boring classes, Consecutive Snakes, Team Formation For Snackdown, A temple of Snakes, Knight Covering, SnackUp, Snakes, Mongooses and the Ultimate Election, Add or Multiply, Game Revisited, Mex division, Black Nodes in Subgraphs, Two Numbers, Chang and Bitwise OR, Chang and Perfect Quadruples, Whats in the Name, Calculator , IPC Trainers, Two Coins, Walks on the binary tree, Minimum Good Permutation, Good Pairs, Sum of Cubes, Flower Pots, Weasel finds Staircase, Difference array, From heaven to earth, Mathison and pangrams, Max Mex, Weird Competition, Little Chef and Sums, Counter Test For CHEFSUM, Chef Hates Palindromes, Fast Exponentiation, Statistics Construction, Subsequence Equality, A Balanced Contest, Maya and her love, Total Diamonds, Polynomials, (Challenge) Connecting computers, Singular prime problem, Circles, Modular GCD, Chef and Employment Test, Buggy Calculator, Periodic Palindrome Construction, Modulo Equality, Obtain Desired Standard Deviation, Ordering teams, Villages and Tribes, Days in Month, Strange Function, B - Get The Gold, F - Huge Number of Trees, Jug Filling, A humongous Query, Skiing, Random Pair, Smart Strategy, Shuffling, L-R queries, Strange Queries, Chef And his Cake, Chef And Easy Xor Queries, Method Resolution Order, Four Friends, Red and blue points, Spanning Tree, Chess knight move, Chef And Land Labeling, Good and Bad Persons, Number Game, Coupon System, Reverse the Number, Quadratic Functions, Beautiful Array, Football Match, Large Sum, Nested Candy Boxes, Coder Life Matters, K-Concatenation, Chef Cuts Tree, Rectangle, Minimum Maximum Partition, Partition the numbers, Hello World, Caesar cipher, Simple Fibonacci, Multiple of 3, Smallest To Square, Multiply the Array, Easiest Problem, Chef and Game with Sequence, Max Subarray (keteki), Chef And His Characters, Chef And The Patents, N-QUEENS, Save Patient, Mighty Friend, Zeros in Factorial, Car-pal Tunnel, Cutting Plants, (Challenge) Biased Committee, A Big Sale, Permutation and Palindrome, Chef and Cook-Off, Chef and Tuples, Chef and Line, Euclid in Manhattan, Game with numbers, Jumping in the hills, Electron Base, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas, Spiral Matrix, Help Voldemort, Z Value, Chef Chooses a Subset, Chef Judges a Competition, Even Dillema, Correct Bracket Sequence, Change the Signs, DP Made Easy, Chef and Friends, Magic Elements, Two Flowers, Minimum Deletions, Count Good Prefixes, Workers, Xor Again, Good-Bad Pair, The Deadly Sin, Computer Virus, Candy Love, Convergence, Cut the Board, Two vs Ten, The hardest gcd problem, The Last Digit, Dibs on Fibs, Ways to Work, Best Cake Ever, Secret Recipe, Naive Chef, Trace of Matrix, Count Substrings, Shifted Palindrome, Weak in the Middle, Fill the Truck, Code Stats, Sum OR Difference, Decrement OR Increment, Area OR Perimeter, HOW MANY DIGITS DO I HAVE, Program Your Own CALCULATOR, Prime Numbers, Archi and Comparsion, Good Permutations, Mean Array, Summary Power, Counting Pretty Numbers, Big Multiplication, Good Subsets, Encoding Message, Split Stones, Chef and Bored Games, Sheokand and Number, The Array Problem, Banking System, Action Beam, The Great Run, Kill them with your success, Algebra Score, Good Speech, GukiZ and Candies, Mixi Game, Magician versus Chef, Balsa For The Three, Sacred Game, Chef and Eid, Mix Mix Game, Chef and Adventures, Ada School, Leap year, Bad Shuffle, Appy and Balloons , Minimize Digitsum, The Alien, Chef and Serves, OneTwo, CRYPTOGRAPHY SYSTEM, Chef and the Stock Prices, Byte to Bit, ATM Machine, Make a Permutation, Distinct Rows in Submatrices, Judging Delay, Chef Restaurant , Spread the Word, Qualifying to Pre-Elimination, Chef and SnackDown, Chef and Semi-Primes, Ada King, Ada Pawns, Pumping Water, Chef and Typing, Reduction Game, Appy Loves One, Three Friends, Robots Again, Coloring the Grid, Chef and Sequence, Chef and Difficult Contests, Painting Tree, Chef and Happiness, Truth and Dare, Antimatching, Chef and Interactive XOR, Chef and Interactive Contests, Chef and An Ideal Problem, Distinct Number, Lighting Rectangle, Adi and the Tree, Maximise the Sum, Lucky Number Game, Points, Lines, Triangles and Graphs, A Triangle and Two Squares, Count Periodic Numbers, Play Piano, 1-2 Game, Pseudo Sorting Algorithm, Count Subsequences, Not So Random Walks, Life Limited, Three Strings, Swag Subsets, Fighting Armies, Magic School, Josephus Again, XOR! Wait for it, Palindromic Walks, Challenge Accepted!, D - Balanced Parenthesis Substrings, Ross goes for Shopping, Summation over nCr, Alien Invasion, Find Best Path, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, Shivigawdz, Ada King, The Nights Watch, Chef And His Society, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Magic Array, Man with No Name, Mayhem Again, Art of Balance, GANG WAR, Lucky Number, Zombies and Magic!, Hex Prime, Cats and Tree, IPL and RCB, Buying New Tablet, The spy machine, Squares, Beginner, Average Number, Yet Again a Subarray Problem, Chef and a Beautiful Digit, Even Odd, Large Factorial, Range Sum Problem, (Challenge) Interleaving Strings, Hello World, XOR N-bonacci Sequence, UEFA Champions League, KorbiosGrid, Friend or Girlfriend, FlatLand, Too Many Candies, Music Shopping, Maximum Remaining, Greg and Grid, Chef and Football, Fencing, Testing Robot, Game of Theory, Nuttela needs a little help, Go Round, Max power, No Succession, Long Long Sum, Sweet by Chef, Range GCD, Solve The Case, (Challenge) Chef Exchange, Making a Meal, Mystery Tree, Matches, Trees and Degrees, Chef Learning Hungarian Algorithm, Reduce to One, Road Signs, Guddu and his Mother, Attendance, Minimum Sum, Must Be Divisible, Sum and GCD, Forgotten Tree 9, Friend in Need, Strange Game, Zawad and Index Sum, Guess the Prime!, Bitsetbaba and Power Grid, Dummy Palindromic Strings, Reverse Maximisation, CV, Dilemma, Codechef War, Easy Fibonacci, Ross and DFS, Chef and Distinct Numbers, Chef and DAG, Maximum and Minimum, Circular Merging, Ping Paja Pong, Chef and Mean , Hard Sequence, Magda and Silly Pairs, Football, Birthday Gift Again, Playing with Strings, Delete a Subarray, Professor on a Trip, Easy Math, A - Books, Smallest Beautiful Number, Save Konoha, Gcd vs Lcm, Prajit and bits, Rich Substrings, Chef and Interesting Subsequences , PERFECT NUMBER, prime, Destroy Cells, Plus Multiply, Chef and Trip, Array Modification, Binary XOR, Bits Magic, Inversions in an array, Sugar Rush, Length and Sum of Digits, (Challenge) Maximizing LIS, Find that single digit, Phone Prices, Two Groups, Playing with Matches, Weird Modulo Problem , Faulty System, TShirts for all!, Yet Another Partition Problem, Single Point of Failure, Doraemon, Weapon Value, Scoring Pairs, Chef and Minimum Colouring, Pen Pineapple Apple Pen, Colliding Balls, Discount in a Shop, Moving Segments, Pretty Boxes, XOR Engine, Medel, Expected Number of Customers , Select Training Set, (Challenge) Coloring Triangulations, The Promised Land, Printing Pattern using loops, Counting Inversions Revisited, How much Scholarship, Combinations, Odd Topic, Balanced Brackets, Chef Diet, Planting Trees, (Challenge) Cubical Virus, That Is My Score!, Minimize the Distance, Pizza or Broccoli , Nth Fibonacci Term, Convolution, English, B - Prime-partite Graph, IPL Begins, Analytics Load Jobs, For the Benefit of All (hard version), Inequality Reduction, Yet Another Balanced Parenthesis Problem, Telephone Network, Mean Problem, Ada Bishop 2, Breaking Bricks, Change It, Walk 4 steps, Rotate String, Banana String, Minion AND Range, Sufficiently different string, Mortgage, Stupid Machine, Check Algorithm, Guess the number, Ruman and Pull Requests, Chef and String, Chef Chick, Exam Cheating, Maximum Subsequence Sum, Squared Subsequences, Sky Watching, Profitable Paths, Bitwise Operators, Exploring Undiscovered Planets, Destroy The Asteroids, Winning Ways 2, Recruit Villagers, Count It, Range AND, Chefina and Sums, Psertu in Byteland, Lasers Everywhere, Construct Array, Chef and Street Food, Island Count, (Challenge) Raisins, XOR Game, Garden Watering, Triangular Pyramid, Prefix sum, 1 - Nights Watch, Check Prime, Is This JEE, Penalty Shoot-Out II, Tax Slabs, Valentines Day, Base Plans, PERFECT_PRODUCT, A - Tom & mouse traps , Binary Land, At the Gates, Secret Mission, Skadoosh! , Unit GCD, Find Your Gift, Box of Chocolates, Paleontology Museum, Chef and Dragon Dens, Coronavirus Spread, Sell All the Cars, Naruto and Rectangles, Even and Odd, Chef and Squares, Chef and Start, Tax on my Shoes, COVID Pandemic and Long Queue, Harry and chocolates, Xor Counting, Missing a Point, Snacks, Balls, Final Exams, Bob wants Cookies, Chef learns Statistics, Greedy DD, Cobb and Mazes, GCD OF TWO NUMBERS, GODFATHER, Chef and Numbers, Monty Hall Paradox 2, Creating New Mathematical Tasks, Chef and Recipe, Chef, Chefina and Their Friendship, Bharat and Possibilities, The Tom and Jerry Game!, Linking Linked List, Quick Sort, Doctor Chef, Weird Algorithm, Guessing Game, Chef and Icecream, Chef and String, Weird Walk, Convert the String, Lost Weekends, candies, Chef and Price Control, Cache Hits, Chef vs Doof, Distribute Candies, Omi and matrix, Increasing Decreasing, Gold Mining, Maximum Sum, Pattern printing, Chef and Card Game, Chef and Strings, MEX-ception, The In-XOR-able Task, Even-tual Reduction, OR-thodox Distinction, Path-etic Products, Unique Substring, Cherry and Bits, Priya and AND, Chef and Steps, Another Card Game Problem, Dr Phil goes to the ranch, Coloured Pairings, Chef and Sums, Smallest KMP, Equal Number, Game on a Strip, 3 - Domino game, Red-blue Trees, Notebook Distribution, Ada Matrix, Mode of Frequencies, Bowling Strategy, Zenny and Simple Sum, Robot Detector, Majority Element, Hybrid Spiral Cipher, Adding on Segments, Rooted Minimum Spanning Tree, D-Dimensional MST, Adding Squares, Restore Sequence, Hail XOR, Chef and Easy Queries, Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, Ada and Dishes, Sum Of Array Elements, Yet Another Crossover Episode, Factors and Function, AND Plus OR, Los Pollos Hermanos, Empire Business , Chef and Subtree MEXs, The Chosen One, Chef Is Just Throwing Random Words, Chef and Chocolate, Climbing a staircase, Tree and unwanted leaves, Multi-threading Merge Sort, Chef and Ants, Area of Largest Rectangle, Chef and The Lockdown, Frog Sort, Frequency Array, Birthday of Anabelle, Compartment Weights, Print Sub-Array, Flip the String, Chef and IPC Certificates, Hiring Workers, CHEF GOES FOR A DATE, Even Vs Odd, Gasoline Introduction, Xor Compare, Gasoline, Circle Coloring, Interesting XOR!, CHEF AND LOTTERY, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution, Team Name, Mex Subsequence, Array Swaps, Efficient Delivery, Hidden Numbers, Catch the Thief, Angry Cyborg, Cybertree, Three Letters, Parallel Universe, Fair Elections, Minimum Attendance Requirement, 10 Try Brute-force first, Find Steps, Greedy Students, One Zero Swaps, Maximum Value, Valid Paths, Pattern End, Chef and Patients, Point Of Impact, Encoded String, Cleaning Drive, Palindrome, Daanish and Problems, Chef and Groups, Chef and Meetings, Chef and Divisors, Maximum Size, Minimum Steps, Find Second Largest, Prime Tuples, College Life 2, Distinct Pair Sums, College Life 5, XOR Sums, Password, Maximise Function, Buy Please, Special Fibonacci, Solve This, Power of 2, Chef and Tourism, Pair Me, Binary Subsequence, Even Differences, 1 - Binary Distance, Bash Matrix, Lockdown, Maximum GCD, Highest Divisor, Hello, CodeChef!, Body Mass Index, College Admissions, Fun Maths, Average Sorting, Consecutive Deletions, Memcached Service, Chef and Laddus For Children, Smallest Possible Whole Number, Coprime Range, Chef and Coupon, Odd Array, No Time to Wait, Breaking the Fence, MaxEdges, Water Transfer, Total Correct Submissions, Turn It, Nobel Prize, Motivation, Pawri Meme, Weight Balance, Lucky Four, Suffix Sort, Array and Operations, Possible Victory, Brahma and Shiva, Birthday Gifts, Lunchtime, Valid Pair, World Record, Strong Language, Boolean Game, Passing Marks, Chef On Island, Chef in Heaven , Hiring Test, Bench Press, F - Stone Land, Fill_The_Blocks, Encode Kalakeya, A - Save Water Save Life, Tree House, Chocolate Monger, Deletion Sort, Equinox Strings, An Interesting Sequence, Special Triplets, Shortest Route, Xor Equality, Coldplay, Hoop Jump, Solubility, Kid & Table, unique_num, Tom And Jerry 1, False Number, Lazy Chef, XOR maximum-minimum matrices, The sequence of 2s and 7s, Correct Sentence, Total Components, Dual Distance, Summer Heat, ICPC Balloons, Chefland Visa, Richie Rich, SC and his recursion, Chess Match, The Wave, Clamp Paths on Tree, Chef and Queries, Cyclic Quadrilateral, Optimal Denomination, Unpleasant Ones, Maximum Production, Relativity, Different String, Even tuples, Odd bits, pattern type-1, advance pattern, Chef and Closure, Chef and Spells, Three Dices, Beautiful Subsequence, Array Filling, Beautiful Pairs, XOR-ORED, Chef and Bulb Invention, Mod Equality, Shoe Fit, Chess Format, Shuffling Parities, Food Chain, Red Alert, move negative element , Longest Good Segment, Problem Difficulties, Olympics Ranking, Jon and Selina, Say No To Drugs, Black cells in a chessboard, Large Square, Bus full of passengers, India Fights Corona, Clear the Array, Which Division, Team Formation, Construct a String, Odd GCD, K-th Maximum, Programming Languages, Just a Graph, Longest Spanning Substrings, Hardest Problem Bet, Odd Repeat, Magical Flips, Maximise the Subsequence Sum, Airline Restrictions, The Old Saint And Three Questions, Meet In The Median, Longest AND Subarray, The Grid Fill Problem, Find the Direction, Obtain the Sum, Tsetso Subarrays, A Counting Problem, Add and Divide, Chess Kings Chasing Game, Cars and Bikes, Zebra Crossing, Half Sequence, Good Weather, One Pile , Fake Swaps, Fake GCD, Adjacency Hatred, Subsequence LCS, Make it Divisible, MEX-OR, A Subtask Problem, Three Boxes, Two Dishes, Chef in Vaccination Queue, Vaccine Dates , Alice vs Bob Faceoff, Maximum Light Up, The Preparations, Professor And Directions, Yet another SOD problem, Magical Doors, Diagonal movement, Drunk Alcoholic, Maximum Damage, Which Mixture, FIXFIX, RCB and Playoffs, Cool Name, Subarray Sum, Magical Planks, CODE3, Bhel Puri, Nice Pairs , Gold Mining, Print The Pattern, Lucky Number, Alternating Work Days, Chefs Squid Game, Round Robin Ranks , F - Pair Sum, Dance Moves, Median Rearrangement, Pass or Fail, Equal Beauty, A - Bob and Strings, Chef and Pairing Slippers, Tree Upshot, Min Max LCM, Chef and Water Car, Average Flex, Second Player, Find the Modulus, Flip or Compress, Functional Array, Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper, Maximise the bridges, Binary Inversion, The One with Russ, Ddakji, GCD of Prefixes, String Game, Partition It, Chef on Vacation, New Piece, Disabled King, Odds and Evens, Can You Eat It, Make it Divisible, Palindromic Binary Numbers, Back to Campus, The One Where It All Began, Minimum Number of Pizzas, Chef and Stock Prices , Subarray Jumps, Strange Minimization, Yet Another Tree Problem, Check Mate, Pyramid Traversal, Utkarsh and Placement tests, Remove Element, Balance Zeroes and Ones, Car Range, Sorting Segments, Maximum Factors Problem, Character frequency, Chef and Contest, Sleepy Chef, Indivisible Permutation, Distinct Elements, Avoid Fixed Points, Destructive Nim, 1111---- !, Genes, Brutal-Xors, Tree and Brilliant Array, Chef and Pal, Red Light, Green Light, String protocol, Plusle and Minun on Array, Two Rooks, Keplers Law, Friends Meetup, World Chess Championship, Chef and Vacation Transportation , Chef Loves 1010, Equal Integers, Subarray permutations, Romantic Reversals, Devendra and Water Sports, Count Number of Peaks, Akash and Grid, And Or Union, Covid and Theatre Tickets, Prime in a binary string, Array Partition, Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Covid Spread, Chef and Riffles, Palindromes Not Allowed, Mean Maximization, Non Zero Xor, An Interesting Sequence, Mask Policy, TCS Examination, Merged LIS, Chef and Fixed Deposits, Equal Card Game, Subsequence, Average of Three, Chef and Profits, Subarray Mex, Anti Palindrome, Avoid Contact, Chef and Subset Additions, Chef and Lockout Draws, pattern, Badminton Serves, Divisors and Reciprocals, Yet Another Constructive Problem, EVM Hacking, Equal MEX, Fixed Weight, N Queens Puzzle Solved !, Chef and the Hair Salon, Akash and Function, K Distinct Array, Fit in Data Type, Chef and His Fruit Stand, Chef and NextGen, Xor Palindrome, Careless Chef, Car or Bike, Valentine is Coming, Count the Notebooks, Hostel Room, Control the Pollution, Reverse Number, Distinct Binary Strings, Non Coprime Neighbours, Get Lowest Free, Too many items, Shopping Change, Complete the credits, Guess the bottom face, Lazy Salesman, Peaceful Party, Slingshot, Blackjack, Four Equidistant Points on a Grid, Good Program, Parallel Processing, Battery Low, Fill the Bucket, Tyre problem, Chef and Instant Noodles, Watching Movies at 2x, Chessboard Distance, Permutation Xority, Bomb the base, Self Defence Training, Car Choice, Qualify the round, Count the Holidays, Janmansh and Games, Janmansh and Coins, Janmansh and Assignments, Janmansh at Fruit Market, Equal Mex Splitting, Substring of a Substring, Akash and Missing Class, Exact Marks, MEX on Trees, Alice and Marks, Integers that sum to the same value, Discus Throw, Bath in Winters, Wordle, Chef team, Minimum Coloring, Gift Shop and Coupon, Chef and Water Bottles, Credit score, Chef and Chocolates, Chef and Races, Balanced Reversals, Increase IQ, Winter, Minimum number of coins, Chef and Brain Speed, Chef and Gym, Chef and Masks, CRED Coins, Separate Them All, The Three Topics, Alternating String, Sign Moves, Cup Finals, The Unchanging OR, Group Assignment, Economics Class, The Rating Dilemma, Same Parity Swaps in Binary Strings, Binary String Cost, Volume Control, Geometric Mean Inequality, Flip Sorting, Sasta Shark Tank, Rearranging digits to get a multiple of 5, Test Averages, Speed Limit Test, Bucket and Water Flow , Apples and Oranges, Chef and Chocolates, Course Registration, Digit Sum Parities, Important Pages on CodeChef, Email Reminders, Prime Sum, Distinct Dilemma, Broken Life, The Cheaper Cab, Monthly Budget, Minimum Cars required, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2, Pairwise Xors, Is the Score Consistent, Good Quality Bulbs, Expiring Bread, Lunchtime, Modular Circular Permutations, Mario and Bullet, Pair Pain, Admins and Shopping, Water Requirement, Police and Thief, Jenga Night, Candy Distribution, Bob at the Bank, Chef and Happy String , Equalizing Numbers, Six Friends, Best Coupon, Pseudo Sorted Array, Compress the Video, Buying Sweets, Reduce to 1, Three Arrays, Who is taller!, Presents for Cheffina, Easy Permutation, Chef and Wire Frames, Array Equality, Chef and Chapters, Chef and Bird farm, Farmers League, Game of Pooks, Triple Inversions, The Mango Truck, Roller Coaster, Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum, Too Mean, Yet Another Palindromic Problem, Four Arrays, Closest Vowels, Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP, A Bit Easy, Chef gives Party, Get Subscription, Good Pairs, Average Gift, Dominant 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and Atmost, Dense Bracket Sequence, Biryani classes, Air Hockey, The Attack of Knight, Jogging, Xor and Multiply, Count the ACs, Make all equal using Pairs, Reversal Sorting, Fitness, Prime Xor, Strong Elements, Chef and his Apps, Best of Two, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both, Bidding, Enough Space, K-MEX, Xor Permutation, Chef Drinks Tea, High Accuracy, Subsequence LCM, Journey of the Knight, Sort the String, Counting Words, MATH1 Enrolment, Game of Piles Version 1, Slow Solution, Chef and Candies, Chef On Date, Construct N, End Sorted, Minimum Coins, Chess Time, Buy Lamps, Concat Sort, Passes for Fair, Fill Candies, Inversions Retrieval, Interior Design, The Last Levels, Easy Pronunciation, Consecutive XOR, True and False Paper, Positive array, N Buttons 1 Bulb, Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Sum of Product 2, Insurance, Hungry Chef, Split The String, High Frequency, Good Indices, Is it hot or cold, Maximise the 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elements, Ranklist Pages, Reach the Target, Remove Bad elements, Maximum Subarray , Suspense String, Confusing Concatenations, Audible Range, Expert Setter, Speciality, Podium Finish, Minimum Pizzas, Building Race, Single Operation Part 1, Single Operation Part 2, Red Green Grids, Yet Another Palindrome Problem, Tax in Chefland, Tri XOR, Paper Cutting, Palindrome Flipping, Card Removal, Minimise LCS, Different Consecutive Characters , Weird Subarrays, Red Blue Flowers, Subarray Removal, Reach on Time, Odd Sum Pair, Strange BST, Disjoint XOR, Make Multiple, Final Sum, X Jumps, Max minus Min, Test Score, Nahaane Jaa, STAR Pattern, Packing Books, Tasty Decisions, Greedy Grid Moves, Avoid Squares Please, Maximum Angriness, Mario and the Broken String, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Paisa Double, Parity, Candies, Distinct Colors, Water Consumption, Hackerman, Split and Maximize, Time Complexity, Water Mixing, String Game, Good Binary Strings, Palindrome by Splitting, Just Like Mob!, Binary Battles, Squats, Monopoly in Chefland, Another Standard Problem, Expensive Steps , Minimum Number of Ones, Counting Problem, Tour of King, Existence Of X, Boring String, XOR Product, Expense List, Rain in Chefland, Interesting Array, Bull or Bear, Make AP, Make Money, Divisible by A_i, Gcd of Subarrays, Good Investment or Not, Maximise XOR, Adjacent Pair Swaps, Scalene Triangle, Convert to permutation, Kitchen Timings, Spice Level, Cost of Groceries, Pet Store, Prime Reversal, Flip the Prefix, Instagram, Facebook, Snapchat, Asymmetric Swaps, Perfect Trio, Maximizing LCS, Indivisible, Apples and oranges, N Triplets, Sum it, Find an integer, Consecutive Xor, First To Last, Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers, Append for OR, Elevators, Mana Points, Maximum of GCDs, Minimize the Maximum, Chef And Babla, Far from origin, Battery Health, Redistributing Chocolates, Overspeeding Fine, Negative Product, Lcm hates Gcd, Read Pages, Odd Even Binary String, Equal Hamming Distance, Prefix Ones, Three Powers of Two, Two Ranges, Saving Taxes, Profit Increment, Bitwise Operations on Circle, Zero String, Contruct Array, 400M Race, Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix, Tekken, Tom and Jerry Chase, Codechef Airlines, K Increment Palindrome, Passing Marks, Candy Store, Good Turn, K-Beautiful Subarrays, One Stone or Two Stones, Split or Decrease, Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing, Permutation Subsequence, Prefix Permutation, Eat Rock!, Just One More Episode, Single-use Attack, Running Comparison, Game of Median, Equal Elements, Beautiful Strings, Divide Pages, Maximum Capacity, Sunny Day, Find eX, Fallacy of Wasseypur, Make A-B Same, Reach Home, Difference Matrix, MIN To MAX, Candy Division, Chef Eren, Construct String, Budget of Technex, Couple Game, Max count of 1, Digit Operation, Chef and Donation, Elections in Chefland, Max Binary, Trees Are Fun, Chef And Adjacent Sums, Melt Gold, Crazy Bishops on Chessboard, Four Tickets, Buy Ten Packets, Efficient PAN Linking, Return the Change, Inversions of subsequences, Inside The Stadium, IPL Ticket Rush, Can Chef , GCD Queries, Least Size, Minimum Operation, String Game , Cricket Match, Unstable Subarray, Chef and Battery , CodeChef Learn Problem Solving, Maximise Score, Existence, Monopoly, Plus 2 or Minus 1, AB plus C, Positive or Negative Subarrays, Two Averages, Parliament, DDMM or MMDD, Masterchef finals, Online or Offline, Largest and Second Largest, Learning SQL, AP Free Sequences, Printing Binary Array, Favourite Numbers, Anti Palindrome, Rectangular Tiling, Odd GCD Permutation, More Inversions, Chef Odd, Blobby Volley Scores, Bus Seat Numbering, Parking Charges, Maximum Sum Permutation, Beautification of array, The Gift, Gymkhana Election IIIT-A, CodeChef Streak, Possible or Not, Distance Coloring, Dotify Playlist, Water Filling, Oneful Pairs, Break Free, NASA, Right There, 7 Rings, Problem, Alt-Tab, Boxes, Donation Drive, Donation Rewards, Transfusion Chain, EVacuate to Moon, Messi vs Ronaldo, 3-Blast Palindrome, FIND A and B, Bells of Pilgrimage, AB Difference, Schrodinger Smiley, Airport Management, Triplets Min, 2000, Best of Two, Segment Three, Two Piles, Card Swipe, Endless Appetizers, Puzzle Hunt, Exclusion-Inclusion, Codechef Copy, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!, Ultimate Fencing, Lucky Seven, Slow Start, Stamps 100, Air Quality Index, Trade Surplus, Chocolate Distribution, Concussive Sequence, Minimize Xor Difference, Snakes on a Grid, Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef, Off By One, Bit Play, Sports Section, Selling Insurance, Chef and Stocks, Fan Poll, Chef Fantasy 11, Playing with OR, Save People, Count Possibilities, Smallest Excluded LCM, Unique xor, Sunday Brunch, October Marathon, Divisible By 8, Dice Number, Santa and Chocolates, Pizza Cutting, Double Rent, Bone Appetit, Dracula Eats, Spooky Sequences, Dull Operation, Minimum XOR, Clan Expansion, Palindromic Prime Numbers, Rivalry, Rock Paper Scissor, Pending Assignments, Clear Day, OR Permutation, Cricket World Cup Qualifier, Best of N Sets, Worth of a Video, Water Park, Beautiful Strings, Exams, 404 Not Found, Cursed Indices, Food Costs, Fair Share Settlement, Make All Equal, Make N Zero, Thala For A Reason, Subtraction Sequence I, Greedy LIS Algorithm, Painting Walls, Christmas Greetings, A PLUS B Remastered, Decorating Christmas Tree, Codechef Round, Chef Product, Hattrick, Exact Savings, Spell Shortening, Subset GCD, International Education Day!, Xorry 2, Xorry 1, Advitiya, Cookie Day, K Odd Sum, Unalike Gcd & Lcm, Largest K, Sub or Swp, Frequal, Leg Space, Minimum And Maximum I, Problem Reviews, Arya In Grid, Man of the Match, Minimum And Maximum II, Overspeeding, Fake Certificate, Binary Minimal, AC Please, Freedom, Sale, Swapping Marks Digits
Contests (0):
None
Learning Paths (0):
None
Practice Paths (61):
Strings:
N Buttons 1 Bulb, Wordle, Play Piano, Different Consecutive Characters , DDMM or MMDD, World Chess Championship, Chef and Happy String , Efficient PAN Linking, Studying Alphabet, Blobby Volley Scores, Lapindromes, Chef and Feedback, Chef and the Wildcard Matching, Password
Arrays:
Compress the Video, Take discount or Not, Snapchat, Cost of Groceries, Bomb the base, MIN To MAX, Red Light, Green Light, Running Comparison, Kitchen Timetable, Largest and Second Largest, CodeChef Streak, Difficulty Rating Order, Candies, Workers, Count of Maximum, Cops and the Thief Devu
Basic Math:
Test Averages, Fitness, Second Max of Three Numbers, 7 Rings, Chef and Chocolates, Make AP, Find Remainder, Integers that sum to the same value, Candy Store, Minimum Number of Ones, Scalene Triangle, Negative Product, GCD and LCM, Sum of Digits, Make A and B equal, Favourite Numbers, Construct N, Alternate Additions, Farmer And His Plot, Two vs Ten, Puppy and Sum, Divisible by 3, Balls and Boxes
Contributions
Problems Authored (0)
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Problems Tested (0)
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Editorials Contributed (0)
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