Ma Huateng
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Practice Problems (2226):
Practice:
Prime Generator, Transform the Expression, The Next Palindrome, Small factorials, Pouring water, Play on Words, Marbles, Cutting off Squares, Relevant Phrases of Annihilation, Poker, Mixtures, Bytelandian gold coins, Enormous Input Test, Sums in a Triangle, The Cursed Room, 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, Product of divisors, Battleship V, Life, the Universe, and Everything, A Very Easy Problem!, Squash the Bugs, Paying up, The Lucky Draw, Primes in the GCD table, Magic sequence, Buggy algorithm, Sums in a cuboid, Nuclear Reactors, A Bowling Game, Prime Palindromes, The Lead Game, Permutation Cycles, Discrepancies in the Voters List, Modulo, The N Queens Puzzle Revisited, The LCS Problem Revisited, The Best Box, Anagram, Overlapping discs, THE GAME, Treasure Hunting, Trip, Array Transform, Robot Game, Yet Another Number Game, Flipping Coins, Multiples of 3, Maximal crosses, Gravel, Randomly Testing Circuits, Count palindromes, Fetching Cooking Tools, Baking Cupcakes, Cutting Recipes, Number Game Revisited, Newspaper Puzzle, The Morning Commute, Coloring Colorable Graphs, Time of collisions, Breaking Into Atoms, Three Way Communications, Cutting Rods, The Route, The Key, The Mother-ship, Rectangles Counting, The Great Wall of Byteland, Cipher Text, Chef Teams, Billboards, Most Popular Friend, Chefs new Pet, New Restaurant, Hotel Bytelandia, Evil Book, Divisor Sum, Lucky Days, First non-Palindrome, Sum of Factors, Subanagrams, Lucky Number, Houses and Restaurants, Graph on a Plane, Lucky Sum, Ciel and A-B Problem, Lucky Long, Card Shuffle, Favourite Numbers, Count of Maximum, Fit to Play, Daily Train, Magic Trick, Double Strings, Jewels and Stones, Find a special connected block, Little Elephant and Strings, Stacking Pancakes, Connected Components, String encryption, Little Elephant and Candies, Little Elephant and Movies, Little Elephant and Colored Coins, Top Batsmen, Remember the recipe, Lights, PRIME, Little Elephant and Cards, A Home for Chef, Little Elephant and Exams, Kisses & Hugs, Little Elephant and Bombs, Chef World, Arranging Cup-cakes, Event Organizer, Closing the Tweets, Connecting Soldiers, Matchsticks, Delivery Boy, Racing Horses, Ciel and Receipt, Witua and Math, Coin Flip, Carvans, Buy1-Get1, Tourist Translations, N Queens, Little Elephant and Permutations, Sridhar Likes Travelling, Buying Sweets, Equalization, Little Elephant and Divisors, Rat Maze, Arithmetic Progressions, Pizza Delivery, Barcelona Gameplay Tactics, Expected Greatest Common Divisor, Packaging Cupcakes, Chef of the Year, Count the Words, Vacation, Approximately, Queries on tree again!, Three Different Numbers, Snape and Ladder, Physics, Find Minimum Distance, Palindrome, Prime or not, Fire Escape Routes, Lack of Logic, End Of The World 2, FOOTBALL MANIACS, Maximum Weight Difference, Almost Prime, Helping Lira, COUNT THE ONES, COVERING SUBSTRING, Another Factorial Problem, Your Name is Mine, Field Trip, Andrew and the Meatballs, Andrew and the Strings, Dessert Wizard, Andrew and the Meatballs again, Predictopus, Lapindromes, XOR Sum, Chef and Walking on the rectangle , Chef and Segments, Chopsticks, Counting The Important Pairs, Maxim and Dividers, Count K-Primes, Sereja and Graph, Sereja and Transformation, Prime Distance On Tree, Draughts, Chef and Integers , Splitting Candies, Matrix, Sorting, Entangled Strings, Yet Another Nice Girl, Chef and Pie, Code, Polo the Penguin and the Numbers, Polo the Penguin and the Test, Friendly Numbers, Polo the Penguin and the XOR, Uncle Johny, Missing some chairs, Lucy and the Number Game, Chefs in Queue, ATM, Number Mirror, Am I a Fibonacci Number, Lowest Sum, Lucy and Question Marks, Magic Pairs, Reign, Rectangular Queries, Query on a tree VI, Counting Matrices, Bon Appetit, Please like me, Chef and Girlfriend, Chef and Feedback, Count on a Treap, Longest Common Pattern, Little Elephant and Subarrays, Farmer Feb, Chef and Shop, Chef and String, Compilers and parsers, Walk, The Street , Mike and Stamps, Atoms in the Lab, Counting Bits, Naughty and Balls, Subarray Xor, Sherlock and Inversions, A Story with Strings, Chef and Remissness, Chef and Kingship, Chef and Uniqueness, Chef and Reunion, Game of Divisors, ABC-Strings, 3-Palindromes, Sereja and ASum, Chef and Graph Queries, Sereja and D, Really Easy Tiling, Chef-jumping, Little Elephant and T-Shirts, 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 - 2, Chef and Strange Matrix, Chef and Subarray, Shortest Path in Binary Trees, Ups and Downs, Stone, Count Substrings, Dish Owner, Divisible Subset, Brand New Game, Rectangles, Game of Numbers, Sherlock and the Grid, Coprime Triples, The Smallest Pair, Subarray GCD, Subarray LCM, Shift The String, Lowest Common Ancestor, Rectangle Query, Copy-Paste, Chef and Gift, Chef and Array, Fun with Rotation, Divide or die, Children Trips, 2048, Chef and Strange Formula, Tanu and Head-bob, Servers, Updating Edges on Trees, Chef and easy problem, Chef and medium problem 2, ICPC Pre-Prelims Practice Round, Spider Infiltration, A Magical Length, Spiderman and Jumping, The Dirty Path, Distinct Characters Subsequence, Chef and Notebooks, The Army, Walk on the Axis, A game of consecutive piles, XOR with Subset, The Problem Set, Chef and a great voluntary Program, Chef and Churu, Course Selection, Chef and Strings, Mangalyaan-2, Mahesh and his lost array, Sereja and Salesman, Three elements, Cascading Style Sheets, Jai Hanuman, Covering Sets, Brackets, Chef and Keyboard, Good galaxy, Zombinatorial, Parenthesis with Maximum Sum Subarray, Tom and Jerry, Sereja and Votes, Delivery Man, Queries On Tree, Random Number Generator, Robot Movement, Finding Exponent, Fit Squares in Triangle, Piece of cake, Matryoshka Dolls, Jersey Number, Gabba sprint, Gcd Queries, Countdown, Suraj goes shopping, Let us play with rank list, Chef and Interview, Lucky Four, The First Cube, Broken Telephone, Big Queries, Devu and binary String, A game on a graph, Enemy at the Gates, Andrash and Stipendium, Chef Collects sticks, Chef and Prime Divisors, Set Difference , How to Minimize a String, Chef and Balanced Strings, Chef and Cake, Equality, Prime Palindrome Sum, How to Repaint a Fence, Euler Totient Function Extended, Tickets, Bank and vulnerable passwords, Counting Primes, 3D Queries, Busy-ness, Laboratories, A New Scheme, Chef and Cube, Kazi And The Contest, Devu and Grapes, Add Two Numbers, First and Last Digit, Smallest Numbers of Notes, Sum of Digits, Reverse The Number, Helping Chef, Total Expenses, Id and Ship, Valid Triangles, Grade The Steel, Gregorian Calendar, Ingredients, GCD and LCM, Second Largest, Small Factorial, Nikhil and Commands, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Wrong Answer, Chain of Doughnuts, Chef and Dolls, The Campus chapter effect, Number of Ways , Devu and friendship testing, Devu and most energetic minion, Train Partner, Cops and the Thief Devu, Maximize Disjoint Pair Sum, Cooking Machine, Intervals and subarrays, Chef and Table Tennis, Chef and Bitwise OR Operation, Chef and Two Strings, Greedy puppy, Puppy and game, Race Time!, Dividing Machine, Chef And The Hiring Event, Chef and Segments, Who dares to be a millionaire, Receipt Recovery, Forgotten Language, Cracking the Code, Chef and the stones, Chef and the Cards, Chef and the XORed Number , Chef and the Number Sequence, Chef and the Wildcard Matching, Make Palindrome, Minimum Maximum, Misha and Gym, Sum of palindromic numbers, Chef And Operators, Jump mission, Simple Sum, Stacks, Are You Lucky, Cyclist Race, Plane Division, Queries with Pairs, Mahasena, Avantika, Chef and Filters, Palindrome Pairs, Second LIS, Factorial to Square, Almost Sorted Permutation, Devasena, Bhallaladeva, Just Update and Print the array, Chef-Detective, (Challenge) Chef and Palindromes, Processing a string, Chef and Tetris, Mutated Minions, Petr Contest, Ancient Berland Roads, Chef and Destruction, Chef And Palindromes, Matched Brackets, Wormholes, Distinct Codes, Palindromic substrings, Sereja and Line, Sereja and Array and Subtracting, Sereja and Tree 2, Prime or Not, Magical Strings, Jalebi Bai and Decks of Sweets, Chef and Time Machine, The Parenthesis Tree, Chef and Subarrays, Chef and Queries, Chef and Tree, Jump on Buildings, Cat and Mouse, Chota Mouse and his birthday cake, Longest Palindrome, Chef And Binary Operation, Chef and Fruits, Gaint and Sifat, Euler Circuit , Social Network, Malvika is peculiar about color of balloons, Chef and digits of a number, Digital clock, Dual Nim, Alternating subarray prefix, COC battle, Divisibility test, Largest Number, Simple Search, Faded Palindromes, Chef and Dominating Subarrays, Fullmetal Alchemist, Puppy and Board, Chef and Coins Game, Chef and Three Dogs, Puppy and Sum, Rain Water trapping, Social Networking Site, Forest Gathering, Two Closest, Simple Statistics, ABABAABA, Get AC in one go, Asya & Beautiful Strings, Pankaj and Icecream, Ada and crayons, Chef And Magical Path, Fear of Rectangles, Agent Chef, Chef And Coloring, Maximum K Sums, Mr Perfectionist, Probability, Vivek and Sum Queries, Movie Weekend, Odd Divisors, Queries on a Binary Tree, Polygon, FIZZ BUZZ, Daddy and Chocolates, Cooking Schedule, Eugene and big number, The Bracket Problem, Chef and Round Run, Cats and Dogs, Chef and Big Soccer, Laddu, Gargi and Strings, BookWorm, Coins And Triangle, Misha and Geometry, Chef and special numbers, Tandem, Devu and an Array, Evaluate the polynomial, Primitive Queries, Kitchen Timetable, Floor Division Game, Sticks, N different palindromes, Different Neighbours, Chefland and Electricity, LIS and LDS, Beautiful Sandwich, Collisions, One more weird game, Coloring A Tree, Chef and Proportion, Chef and Numbers, Chef and Array, Sebi and the cube, Will and Closed Set, Drumpf for President!, So Close Yet So Far, Easy Triangles, Print It, If - Else Problem, Studying Alphabet, Pascal Triangle, Cute Prime Love, Sorting Tool, Second Year Pains, Take Turns, Kth Max Subarray, JARVIS and LCP , Flash and Zoom, Lazy Jem, Counting Strings, Zack And The Handkerchieves, Find The Factos, Weird Spider, Diagon Alley, Find The Digits, Pattern, Prime Numbers, Watson asks Does Permutation Exist, Sherlock Counts Ways, Chef and Stacks, Chef and Cards, Tree Balancing, Another maths problem, Largest HourGlass, Increasing Subarray, Robolympic Batons, Query On Strings, The Counties, Download file, Rangoli pattern, Subway Lines, Proper Divisors, Test the Year, Fibonacci, Remove Duplicates, Fluffy and Flippy Bird, Visiting Friends, Evil Chris, Chef and his Students, Tom & Jerry, Parhi And Multiplication, Chef and Subset, Chef and Subarrays, Chef and Queries, Voting Fraud, The Saviours, Apaji Swings, Influence on Social media, ATM queue, Netcoin Verification, Men and Horses, Jumping Frogs III, Pacman, Reservior, Tourists in Mancunia, Nothing in Common, Game of Friends, Pattern, Digit Longest Increasing Subsequences 2, Chef and His Apartment Dues, Cisco and Magical array, Multiverse Queries, Flash the Saviour, Cooking Game, Bear and House Queries, Next Permutation, Bear and Milky Cookies, (CH) Bear and Sorted Rows, Count Strings, Number Tower, Second Max of Three Numbers, Chef and Palindrome, Logan and his XOR debacle, Easy One-Electricity Bill, Golu and Sweetness, Safe Robot, Sorting Problem, Long Sandwich , Logan and DIGIT IMMUNE numbers, Bear and Ladder, Chef and Prime Queries, Stable market, Pishty and tree, Similar Dishes, The Birthday Tears, The query problem, Bear and Shop Trip, Bear and Candies 123, Captain and his Shield , Factorial Problem, Strange Batman, Mayank and Line Segments, Minimizing the dot product, Joey and food, Closest points queries, Bear and Segment 01, Gotham PD, Chef and his daily routine, Blocked websites, Painting Tree, A Good Set, Triplets, Snake Procession, Snake Eating, Protecting The Poison, Chef got Recipes, Temple Land, Prefix Inversions, Hasan and boring classes, Team Formation For Snackdown, Sticks, Snakes and their coup against The mongoose, Snakes and transition from Capitalism to Socialism, Add or Multiply, Black Nodes in Subgraphs, Pairwise union of sets, Maximum Unique Segment, Two Numbers, Chang and Bitwise OR, Chang and the Perfect Function, Hit the Coconuts, Whats in the Name, Calculator , IPC Trainers, Two Coins, Divide the Set, Jon Snow vs White Walkers, Palindromic Game, Sum of Cubes, Weasel finds Staircase, Difference array, From heaven to earth, Mathison and pangrams, Max Mex, Broken Clock, Little Chef and Sums, Counter Test For CHEFSUM, Fast Exponentiation, Mixing Colors, Maya and her love, Coordinate Compression , Chef and Cook-Off Contests, Stack it up, Total Diamonds, Modular GCD, Chef and Subarray Queries, Chef and Employment Test, Chef and Weird Queries, Buggy Calculator, Periodic Palindrome Construction, Obtain Desired Standard Deviation, Ordering teams, Compression Algorithm, Villages and Tribes, Too Much Sweetness, J - Reached Safely Or Not, C - Club of Riders, E - Password Riddle, Organize The Wallet, Fibonacci Series, Bridge Crossing, K Fibonnaci, A humongous Query, Skiing, Online Chess, Random Pair, D - Triangle Count, Chef And his Cake, Chef, Leonardo And Queries, Chef And Easy Xor Queries, Spanning Tree, Chef And Land Labeling, Good and Bad Persons, Minimize the string, SAD Queries, Uniform Strings, Pishty and Triangles, Coupon System, Reverse the Number, Quadratic Functions, Beautiful Array, A Tale of Three Squares, A Tale of Two Right Angled Triangles, Football Match, Nested Candy Boxes, Coder Life Matters, Chef and Interval Painting, Rectangle, String Merging, Minimum Maximum Partition, Hello World, Caesar cipher, 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, Chef and odd queries, Save Patient, Mighty Friend, Chef and Easy Problem, Zeros in Factorial, Car-pal Tunnel, Cutting Plants, (Challenge) Biased Committee, Problem 3, FORM BIGGEST NUMBER, A Big Sale, Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line, Chef and Chefcoin, Matrix Game, CAPTAIN M & ARMY, Smaller than the element, Chef and Apples, Euclid in Manhattan, Game with numbers, Jumping in the hills, Electron Base, Chef and Glove, Minions and Voting, Help Voldemort, Harry Potter and the Goblet of Fire, HYPER ADI, Khushi and Pokemon Cards, Chef Goes to the Cinema, Chef Chooses a Subset, Even Dillema, Chef and Same Old Recurrence, Y Figures, Chef and Friends, Rahul and his encryption, Magic Elements, Fibonacci String, Counting is life, Xor Again, Good-Bad Pair, The Deadly Sin, Candy Love, Convergence, Cut the Board, Binary Nim, Two vs Ten, The hardest gcd problem, Rubber Band, Dibs on Fibs, Difficult Choice, Best Cake Ever, Sheokand and String, Trace of Matrix, Count Substrings, Shifted Palindrome, Fill the Truck, UnAble to decipher, Roots of a Quadratic Equation, Sum OR Difference, Decrement OR Increment, Area OR Perimeter, HOW MANY DIGITS DO I HAVE, Is it a VOWEL or CONSONANT, Prime Numbers, K Perfect Matchings, Tom and Jerry, Permutation Composition Queries, Summary Power, Counting Pretty Numbers, Gears, Big Multiplication, Encoding Message, OR Matrix, Chef and GCD Game , Safe Partition, Split Stones, Make a String, Chef and Bored Games, Sheokand and Number, Spell Bob, The Array Problem, The Great Run, Kill them with your success, Algebra Score, GukiZ and Candies, Magician versus Chef, Balsa For The Three, Chef and Eid, Chef and Adventures, Even Odd Distance 1, Ada School, Bad Shuffle, Games on Arrays, Appy and Balloons , Minimize Digitsum, Chef and Serves, Learning Dishes, Chef and the Stock Prices, ATM Machine, Make a Permutation, Rat in the maze, Judging Delay, Coin Partition, Qualifying to Pre-Elimination, Chef and SnackDown, Chef and Semi-Primes, Chef And Sums, Chef and Strange Addition, Graph on an Array, Ada and the Staircase, Pumping Water, Chef and Card Trick, A Game of Robots, Reduction Game, Three Friends, Robots Again, Chef and K Segments, Truth and Dare, (Challenge) Delete DAG, Antimatching, Max and Electrical Panel, Chef and Interactive Contests, Chef and An Ideal Problem, Adi and the Tree, Mafia Syndicate, Maximise the Sum, Lucky Number Game, Count Periodic Numbers, Play Piano, 1-2 Game, Pseudo Sorting Algorithm, Subset Sums Revisited, Count Subsequences, AND on Graph, Flipping Polygons, Life Limited, Siruseri Gerrymandering, Three Strings, Fighting Armies, Magic School, What is the Cost of Reading, XOR! Wait for it, Is it a Cakewalk Problem, Martingale, Return of the Gargoyle King, Print Pattern, D - Balanced Parenthesis Substrings, Summation over nCr, Sherlock and His Device, Distinct Pairs, Fancy Quotes, (Challenge) Chef and Matching Game, Difference of Strings, Shivigawdz, Curing Kingdom, Bins in a Circle, The Nights Watch, Chef and Secret Ingredients, Xor Decomposition, Appy and Contest, Yet Another Tree Problem, Man with No Name, Art of Balance, Hex Prime, IPL and RCB, Chef and Secret Password, Buying New Tablet, Chef and Party, Beginner, Average Number, Yet Again a Subarray Problem, Paths, Chef and a Beautiful Digit, Even Odd, Large Factorial, Kira Loves Palindromes, Square Roots, Range Sum Problem, Factorisation, Speed, Hello World, UEFA Champions League, Playing with Numbers, FlatLand, Too Many Candies, A Weird Device, Maximum Remaining, Greg and Grid, Chef and Football, Subtree Removal, Fencing, Testing Robot, Pogo Stick Competition, Partition into Permutations, Go Round, Danny Wants To Know, Find The Sum, No Succession, Long Long Sum, Sweet by Chef, Solve The Case, (Challenge) Chef Exchange, Making a Meal, Matches, Chef Learning Hungarian Algorithm, Chef and Good Subsequences, Reduce to One, Road Signs, Guddu and his Mother, Attendance, Fast Food, Minimum Sum, Encoding, Even Edges, Sum and GCD, Strange Game, Bitsetbaba and Power Grid, Expected Xor, Dummy Palindromic Strings, Reverse Maximisation, Searching for a Biclique, CV, XOR Magic, Easy Fibonacci, Chef and Distinct Numbers, Raghu Strings, Maximum and Minimum, Multiple Choice Exam, Subarray, Eat Twice, Minimum and Maximum, Ping Paja Pong, Chef and Mean , Football, Distribute Apples, Birthday Gift Again, Playing with Strings, Delete a Subarray, Professor on a Trip, Easy Math, Expected GCD, A - Books, B - Candy Love, Smallest Beautiful Number, Save Konoha, Prajit and bits, Chef and Interesting Subsequences , Gaithonde Leaves Aashram, Plus Multiply, Bits Magic, Inversions in an array, PLAY WITH MATRICES, Find The Area, Save Jewels, Phone Prices, Playing with Matches, Weird Modulo Problem , Tennis Tournament, Recursive Digit Sum, Children and Candies, Scoring Pairs, Colliding Balls, Beautiful Partitions, Discount in a Shop, Awkwardness Minimization, Grid Shuffle, Pretty Boxes, XOR Engine, Select Training Set, (Challenge) Coloring Triangulations, Full Barrier Alchemist, The Promised Land, Sticky Notes, Naruto Run, Printing Pattern using loops, Khaled in HIT, Box Game, How much Scholarship, Combinations, Odd Topic, Chef Diet, Planting Trees, That Is My Score!, Pizza or Broccoli , Nth Fibonacci Term, Maximize Diversity of an Array, Addition, Is This a Give Away, Weighted Necklace, Game on Tree, Coloring Intervals, Safe Robots, Change It, Purify It, Usain Bolt vs Tiger, K-Prob, Minion AND Range, Sufficiently different string, Rooted Tree Graph, The Evil Professor, Expected Candies, Stupid Machine, Ruman and Pull Requests, Chef and String, Chef Chick, Squared Subsequences, Devotee of god, Profitable Paths, Bitwise Operators, Exploring Undiscovered Planets, Recruit Villagers, Psertu in Byteland, Buying a New String, Construct Array, Chef and Street Food, Under the Tunnels, Chefina and Swaps, Hard Cash, Garden Watering, Tree Query, Matrix Sum Multiplication, Long Contest and Cook Off Overlaps, Chefina and Beautiful Pairs, Prefix sum, Is This JEE, Penalty Shoot-Out II, Tax Slabs, Odd Digits Even Digits, NEXT GREATER ELEMENT, Chocolate Day, Valentines Day, A Leisurely Journey, Button Pairs, Base Plans, Joined Subarrays on Tree, A - Tom & mouse traps , Find maximum in an Array, Mercury Poisoning, Binary Land, At the Gates, Not All Flavours, Unit GCD, A Tree to Remember, Box of Chocolates, Maximize Letter Beauty, Paleontology Museum, Not a Real World Problem, Cool Subsets, Strip in a Tree!, Coronavirus Spread, Chef Swaps Digits, Sell All the Cars, Team up for COW, Naruto and Rectangles, Chef and Squares, Chef and Start, Lazy Carter, COVID Pandemic and Long Queue, Lift Requests, Inversions in Permutations, Missing a Point, Snacks, Balls, Final Exams, Cutting Wire, Chef learns Statistics, Maximum AND, Greedy DD, Triangle Query, GCD OF TWO NUMBERS, SIMPLE MODIFICATION, Chef and Numbers, Isolation Centers, Chef in Fantasy League, Creating New Mathematical Tasks, Minimum Spanning Tree, Chef and Recipe, Chefland Squads and the Army Chief, The Tom and Jerry Game!, Lord Ram and XorOrXorOr Power, The Delicious Cake, Play with 2D Array, Absolute Min Max, Chef and String, Weird Walk, Lost Weekends, candies, even subsequences, Tree difference, Chef and Price Control, A Problem on Sticks, Sasta Operation on Tuple, Chef vs Doof, Doof on Cartesian, Distribute Candies, Increasing Decreasing, Gold Mining, 1 - Cakezoned, The In-XOR-able Task, Even-tual Reduction, I Hate Symbo-LIS-m, Cherry and Bits, Priya and AND, Panic! at the Disco, Double Date, Chef and Steps, Chef Wars - Return of the Jedi, Sudhanva and Books, Binary Concatenation , Smallest KMP, Game on a Strip, Chef and Wedding Arrangements, 2 - Sums divisible by 3, Chef and Work, Beautiful Subsequence, Mode of Frequencies, Alien Invasion , Bowling Strategy, GCD operations, Root the Tree, Zenny and Simple Sum, Watermelon, Random Knapsack, Replace for X, Compress all Subsegments, Restore Sequence, Covid Run, Hail XOR, Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, Ada and Dishes, Yet Another Crossover Episode, AND Plus OR, Los Pollos Hermanos, Empire Business , Chef and Subtree MEXs, Chef Likes Good Sequences, Climbing a staircase, Binary Search, Chef and Prime, Area of Largest Rectangle, Chef and The Lockdown, Frog Sort, Frequency Array, Gold Collection, Birthday of Anabelle, Compartment Weights, Print Sub-Array, Jump & Reach, Flip the String, Chef and IPC Certificates, Hiring Workers, CHEF GOES FOR A DATE, Gasoline Introduction, Xor Compare, Circle Coloring, Circle Eating, Interesting XOR!, Polite numbers, CHEF AND LOTTERY, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution, Self-Destructing Strings, Organisation, Watching CPL, Array Swaps, Efficient Delivery, Hidden Numbers, Catch the Thief, Angry Cyborg, Unique Encryption, Minimum Attendance Requirement, 8 Use Priority Queue Please, One Zero Swaps, Maximum Value, Maximum Size Hollow Square, Pattern End, Bodybuilder, Chef and String, Chef and Patients, Chef and Division 3, Encoded String, Cleaning Drive, Palindrome, TWO SACKS OF HAPPINESS, Chef and Groups, Chef and Meetings, Maximum Size, Minimum Steps, Find Second Largest, Prime Tuples, Chef Organizes Party, College Life 2, Distinct Pair Sums, College Life 5, XOR Sums, Maximise Function, Buy Please, Special Fibonacci, Minimum operations, Pair Me, Binary Subsequence, Even Differences, 1 - Binary Distance, 3 - Good Grid, Even Sum, Minimum Coins, Highest Divisor, Welcome to the world of CP, Hello, CodeChef!, Body Mass Index, College Admissions, Fun Maths, Thief and Police, Consecutive Deletions, Smallest Possible Whole Number, Coprime Range, Chef and Coupon, A Special Tree, No Time to Wait, Breaking the Fence, Digitone, Turn It, Nobel Prize, Happy Birthday, Geometric Possibility, Motivation, Pawri Meme, Bugged Days, Weight Balance, Lucky Four, Destroy the EMP Chip, Suffix Sort, Possible Victory, Chef and Dice, Make the Sum Even, Birthday Gifts, Valid Pair, World Record, Strong Language, Chef On Island, Chef in Heaven , Hiring Test, Bench Press, B - Valentine Couples, E - Minimum Operation, Tree Distances, OR of ANDs, A - Save Water Save Life, Chocolate Monger, Pizza Party, Array Rotation, Odd-Even Sum, Shortest Route, Xor Equality, Minimum Sum, Coldplay, Hoop Jump, Tic Tac Toe, Modular Equation, Golf, Solubility, InterviewRound1, Beautiful Ranges, Tom And Jerry 1, Bella ciao, False Number, Lazy Chef, Total Components, K-Subarrays, Summer Heat, ICPC Balloons, Chefland Visa, Richie Rich, The One On The Last Night, Chess Match, The Wave, Chef and Queries, Cyclic Quadrilateral, Unpleasant Ones, Maximum Production, Relativity, Different String, Even tuples, advance pattern, Chef and Closure, Chef and GCD, Chef and Spells, Three Dices, Equal Difference, Maximal GCD, Beautiful Pairs, Chef and Bulb Invention, Cricket Ranking, Shoe Fit, Chess Format, Shuffling Parities, Food Chain, Red Alert, Hidden Colored Graph, Positive Spewing, Longest Good Segment, Bad Luck, Problem Difficulties, Olympics Ranking, Jon and Selina, Javelin Qualification, Penalty Shots, Two Shades Of A Tree, Say No To Drugs, Black cells in a chessboard, Large Square, Bus full of passengers, India Fights Corona, The Rumbling, Clear the Array, Which Division, Team Formation, Construct a String, Grid Path, Maximum Length Even Subarray, Programming Languages, Just a Graph, Longest Spanning Substrings, Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum, Remove One Element, Tree Distance Sum, 2-D Point Meeting, Airline Restrictions, Travel Pass, The Old Saint And Three Questions, Meet In The Median, Longest AND Subarray, K - balanced string, ATM Queue, Find the Direction, Obtain the Sum, Chess Kings Chasing Game, Cars and Bikes, Zebra Crossing, Good Weather, Fake Swaps, Adjacency Hatred, Make it Divisible, MEX-OR, A Subtask Problem, Maximum Points, Three Boxes, Two Dishes, Prefix Sums, Yet another MEX problem, Chef in Vaccination Queue, Vaccine Dates , Maximum Light Up, The Preparations, Professor And Directions, Chef And Salary Pay, Yet another SOD problem, Maximizing Minimum Segment Sum, Magical Doors, Diagonal movement, Chef and Magical Steps, Drunk Alcoholic, Which Mixture, FIXFIX, RCB and Playoffs, Cool Name, CODE3, Minimise the Size, Nice Pairs , Gold Mining, Print The Pattern, Lucky Number, Alternating Work Days, Round Robin Ranks , Dance Moves, Pass or Fail, Chef and Pairing Slippers, Tree Upshot, Min Max LCM, Can You Reach The End, Exactly N plus 1 Values, Average Flex, Find the Modulus, Flip or Compress, Abhijeet and his challenging race, Problem Category, Queens Placement , Help Nishant, Chef Pizza Delivery, Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper, Maximise the bridges, Binary Inversion, The One with Russ, The One with All the Candy, Partition It, Chef on Vacation, New Piece, Non-Decreasing Subsequence of size K, Break And Fix The Tree, Disabled King, Odds and Evens, Can You Eat It, Good ranking, Missing Sums, Make it Divisible, Palindromic Binary Numbers, Make them equal, The One Where It All Began, Sum this up, Expected Weight, Chef and Stock Prices , Permutation Pairs, Strange Minimization, Again XOR problem, Yet Another Tree Problem, List of Lists, Utkarsh and Placement tests, Maximum Flow, Remove Element, Balance Zeroes and Ones, Car Range, Maximum Palindrome, Maximum Factors Problem, Sum of products (easy version), Chef and Contest, Sleepy Chef, P Equal To NP, Indivisible Permutation, Median Minimization, Distinct Elements, Three Bikes, Coordinate Points, The Squid Game, Destructive Nim, Stable Sequence, Genes, Tree and Brilliant Array, Chef and Pal, Red Light, Green Light, String protocol, Two Rooks, Keplers Law, Friends Meetup, In-tree-active Node Coloring, Chef and Vacation Transportation , Chef Loves 1010, Equal Integers, Maximum Trio, Exclusive mean, Romantic Reversals, Sleep Technique , Devendra and Water Sports, Count Number of Peaks, Favourite String of Chef, Akash and Grid, Magical Subsequence, And Or Union, Covid and Theatre Tickets, Prime in a binary string, Retrieve back the Array, Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array, Covid Spread, Chef and Riffles, Prefix Zeros, Sum and OR, Subsegment Divisibility , Non Zero Xor, An Interesting Sequence, Mask Policy, TCS Examination, Chef and Fixed Deposits, Encryption, Elections in Chefland, Average of Three, Swap the numbers, Chef and Profits, Subarray Mex, Anti Palindrome, Avoid Contact, Chef and Subset Additions, Chef and Lockout Draws, Permutation XOR Sum, pattern, Badminton Serves, Divisors and Reciprocals, Yet Another Constructive Problem, EVM Hacking, Binary Base Basics, Equal MEX, N Queens Puzzle Solved !, Chef and the Hair Salon, Akash and Function, K Distinct Array, Points and Lines, Fit in Data Type, Chef and NextGen, PerMEXuation , Xor Palindrome, Stone Game, Array Division, Careless Chef, Car or Bike, Valentine is Coming, Count the Notebooks, Hostel Room, Control the Pollution, Reverse Number, Get Lowest Free, Too many items, Shopping Change, Complete the credits, Guess the bottom face, Lazy Salesman, Peaceful Party, Blackjack, The product mystery, Parallel Processing, Battery Low, Fill the Bucket, Tyre problem, Chef and Instant Noodles, Watching Movies at 2x, Chessboard Distance, Bomb the base, Self Defence Training, Magnet Sort, Car Choice, Qualify the round, Count the Holidays, Broken Dreams, Janmansh and Games, Janmansh and Coins, Janmansh and Assignments, Janmansh at Fruit Market, Equal Mex Splitting, Substring of a Substring, Akash and Missing Class, Count the Ones, Exact Marks, Mathology, 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, Swapping Chefs Way, Credit score, Chef and Chocolates, Chef and Races, Balanced Reversals, Increase IQ, Winter, Minimum number of coins, Buy 2 Get 1 Free, Chef and Brain Speed, Chef and Gym, Chef and Masks, CRED Coins, Adjacency Love, Separate Them All, The Three Topics, Alternating String, Sign Moves, Cup Finals, The Unchanging OR, Economics Class, Stable Mex, The Rating Dilemma, Same Parity Swaps in Binary Strings, Binary String Cost, Volume Control, Finding Shoes, Flip Sorting, Sasta Shark Tank, Rearranging digits to get a multiple of 5, Speed Limit Test, Bucket and Water Flow , Apples and Oranges, Chef and Chocolates, Course Registration, Max LCA Sum, Funny Hand, Important Pages on CodeChef, Email Reminders, Dazzling GCD Pair, Prime Sum, Broken Life, The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Dark Light, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2, Pairwise Xors, Akash and Equal Mean, Is the Score Consistent, Positive Products, Expiring Bread, Lunchtime, Mario and Bullet, Pair Pain, Water Requirement, Police and Thief, Dazzling Even-Odd Challenge, Jenga Night, Candy Distribution, Bob at the Bank, Chef and Happy String , Equalizing Numbers, Six Friends, Best Coupon, Compress the Video, Buying Sweets, Who is taller!, Presents for Cheffina, Easy Permutation, Chef and Wire Frames, Array Equality, Chef and Chapters, Chef and Bird farm, Pushpa , Max Min Circle Difference, Different Subarrays Rearrange, Farmers League, Triple Inversions, The Mango Truck, Roller Coaster, Beat the Average, Laptop Recommendation , Infernos, Too Mean, Yet Another Palindromic Problem, Closest Vowels, Sugarcane Juice Business, Football Cup, Miami GP, Chef gives Party, Get Subscription, Good Pairs, Dominant Army, 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Jogging, Count the ACs, Make all equal using Pairs, Reversal Sorting, Fitness, Strong Elements, Chef and his Apps, String Break, Best of Two, Adjacent Sum Parity, Change Row and Column Both, Bidding, Enough Space, K-MEX, Xor Permutation, Chef Drinks Tea, Students-Far From Hostel, High Accuracy, Journey of the Knight, Sort the String, Counting Words, MATH1 Enrolment, Game of Piles Version 1, Game of Piles Version 2, Slow Solution, Pass the Exam, Chef and Candies, Chef On Date, Too Many LIS 2, Copy and Push Back, Similar Heights, Construct N, End Sorted, Minimum Coins, Chess Time, Buy Lamps, Concat Sort, Passes for Fair, Fill Candies, Interior Design, The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Consecutive XOR, True and False Paper, Largest Family, Positive array, N Buttons 1 Bulb, Chef in his Office, Sum of Product 1, Insurance, High Frequency, Is it hot or cold, Maximise the Tastiness, Monks, Valid Minimum, Air Blimp, Beautiful Array, Sum Product Segments, Discount, Mileage matters, Nearest Court, Average Permutation, Chef & Cook Game, Adjacent Xors, Split N, Copy and Paste, Final Population, Different Medians, TV Discount, Dominant Element, Angled Flip, Sale Season, XOR with smallest element, Hello Equation, Two Trains, Maximum Submissions, Make A and B equal, Crazy Subsequences, Tree Coloring, AI Analysing Code, Minimum Sum, Air Conditioner Temperature, K-Flip, Gritty Grid, Flipping Failure, Black&White Ring Game, Height of Rationals, Car Trip, Greater Average, Odd Pairs, Make A and B equal, Queen Blocks, Weights, Number of Credits, Ticket Fine, Team of Two, Balls and Boxes, Permutation Clear, Fever, Mean and Median, Broken Phone, OR Tuples, Water buckets, Good Pairs, Nearest Exit, Chefland Games, Maximize Colours, Sleep deprivation, Flip the cards, Stick Break, Permutation Creation, Even Splits, Non-Negative Product, Two Different Palindromes, Increasing Addition, Remove Numbers, Longest Unfriendly Subsequence, Bounded Spanning Tree, Break the elements, Ranklist Pages, Reach the Target, Remove Bad elements, K - Beautiful Permutation, Maximum Subarray , Suspense String, Confusing Concatenations, Audible Range, Expert Setter, Speciality, Podium Finish, Minimum Pizzas, Binary Substituition, Building Race, Single Operation Part 1, Red Green Grids, Tax in Chefland, Paper Cutting, Palindrome Flipping, Card Removal, Different Consecutive Characters , Weird Subarrays, Red Blue Flowers, Subarray Removal, Reach on Time, Odd Sum Pair, Strange BST, Sorted Substrings, Make Multiple, Final Sum, X Jumps, Max minus Min, Test Score, Nahaane Jaa, STAR Pattern, Maximize 1s, Count Partitions , GCD Sort, Packing Books, Minimum Absolute Score, Tasty Decisions, Greedy Grid Moves, Avoid Squares Please, Maximum Angriness, Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Xor Array, Parity, Candies, Distinct Colors, Water Consumption, Hackerman, Split and Maximize, Spliting Balls, Alice and the Array, Time Complexity, Water Mixing, String Game, Lazy Ancestors, Palindrome by Splitting, Just Like Mob!, Binary Battles, Squats, Expensive Steps , Minimum Number of Ones, Counting Problem, Tour of King, Boring String, XOR Product, Expense List, Rain in Chefland, Bull or Bear, Make AP, Make Money, Divisible by A_i, Gcd of Subarrays, Good Investment or Not, Divisible by K, Reach fast, Maximise XOR, Scalene Triangle, Convert to permutation, Sort Permutation, Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Pet Store, X AND Y Tree, Two Counters, 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, 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, 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Packets, Efficient PAN Linking, Return the Change, Inversions of subsequences, Inside The Stadium, IPL Ticket Rush, Can Chef , GCD Queries, Bomb Blast, TripTastic, Least Size, Minimum Operation, String Game , Cricket Match, Chef and Asteroids, Chef and Battery , CodeChef Learn Problem Solving, Maximise Score, Chef and Good Array, Existence, Monopoly, Plus 2 or Minus 1, AB plus C, Positive or Negative Subarrays, Parliament, DDMM or MMDD, Minimum OR Spanning Tree, Masterchef finals, Online or Offline, Largest and Second Largest, Learning SQL, AP Free Sequences, Printing Binary Array, Favourite Numbers, Anti Palindrome, Rectangular Tiling, Limited Shopping, A Peculiar Arrangement, Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Bus Seat Numbering, Parking Charges, Maximum Sum Permutation, The Gift, Gymkhana Election IIIT-A, CodeChef Streak, Possible or Not, The Vowel Matrix, 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, Remove Multiples, 3-Blast Palindrome, FIND A and B, AB Difference, Airport Management, Ball Distribution, 2000, Segment Three, Two Piles, Card Swipe, Endless Appetizers, Puzzle Hunt, Exclusion-Inclusion, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!, GCD Discount, Ultimate Fencing, Lucky Seven, Slow Start, Stamps 100, Air Quality Index, Trade Surplus, Chocolate Distribution, Concussive Sequence, Minimize Xor Difference, Warrior Chef, Work Smarter, Not Harder, Off By One, Light The Bulb, Sports Section, Selling Insurance, Chef and Stocks, Squarified, Chef Fantasy 11, Playing with OR, Save People, Chandelier, Unique xor, Sunday Brunch, October Marathon, Dice Number, Find Diameter, Maximise Sum, Santa and Chocolates, Double Rent, GCD and LCM, Bone Appetit, Dracula Eats, Spooky Sequences, Dull Operation, Wishcraft, Minimum XOR, Clan Expansion, Rivalry, Rock Paper Scissor, Pending Assignments, Clear Day, OR Permutation, Cricket World Cup Qualifier, Best of N Sets, Water Park, Beautiful Strings, Exams, 404 Not Found, Food Costs, Fair Share Settlement, 3 Logicians Walk into a Bar, Max Nutrition, Maximum Score , Make N Zero, Thala For A Reason, Delete The Array, Subtraction Sequence I, Subtraction Sequence II, Greedy LIS Algorithm, Christmas Greetings, A PLUS B Remastered, Decorating Christmas Tree, Codechef Round, Chef Product, Hattrick, ORST , Minimum Wage, Exact Savings, Not Prime Permutation, Spell Shortening, Count Substrings, International Education Day!, Xorry 2, Xorry 1, Judged, Cookie Day, Sub or Swp, Frequal, Escape, Leg Space, Maximise Adjacent Sum, Problem Reviews, Yet Another Alice Bob Game, Minimum And Maximum II, Swap and Unite, Summer Time, Overspeeding, Binary Minimal, AC Please, ABC Conjecture, Superincreasing, Binary Substring
Contests (0):
None
Learning Paths (0):
None
Practice Paths (59):
Strings:
DNA Storage, N Buttons 1 Bulb, Wordle, Play Piano, Different Consecutive Characters , Malvika is peculiar about color of balloons, DDMM or MMDD, Chef and Happy String , Efficient PAN Linking, Blobby Volley Scores, Studying Alphabet, Lapindromes, Chef and Feedback, Chef and the Wildcard Matching
Arrays:
Compress the Video, Take discount or Not, Snapchat, Cost of Groceries, The Squid Game, Bomb the base, MIN To MAX, Running Comparison, Red Light, Green Light, Largest and Second Largest, Kitchen Timetable, CodeChef Streak, Difficulty Rating Order, Candies, Count of Maximum, Cops and the Thief Devu
Basic Math:
Fitness, 7 Rings, Second Max of Three Numbers, Make AP, Chef and Chocolates, Integers that sum to the same value, Candy Store, Minimum Number of Ones, Scalene Triangle, GCD and LCM, Sum of Digits, Favourite Numbers, Make A and B equal, Construct N, Alternate Additions, Farmer And His Plot, Two vs Ten, Puppy and Sum, Divisible by 3, Balls and Boxes
Contributions
Problems Authored (0)
No Contribution
Problems Tested (0)
No Contribution
Editorials Contributed (0)
No Contribution