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Practice Problems (2409):
Practice:
Prime Generator, Transform the Expression, Factorial, Small factorials, Play on Words, The Burning City, Stable Marriage Problem, Poker, Mixtures, Bytelandian gold coins, Ambiguous Permutations, Enormous Input Test, Longest Common Subsequence, Sums in a Triangle, The Cursed Room, Simple Sorting, GCD2, Super Factor Sum, ATM, Some More Homework, Packing the Boxes, A Christmas Pizza Puzzle, Johnny and the Beanstalk, Paying up, The Bytelandian Union, The Guessing Game, Battleship V, Life, the Universe, and Everything, A Very Easy Problem!, Paying up, The Lucky Draw, Primes in the GCD table, Lights Off, Sums in a cuboid, Golf course, Nuclear Reactors, A Bowling Game, Divide and conquer, Sum of pairs, Prime Palindromes, The Lead Game, Permutation Cycles, Discrepancies in the Voters List, Numbers, Numbers, Numbers, Modulo, The LCS Problem Revisited, Maze of Digits, Anagram, Array Transform, Robot Game, Yet Another Number Game, Flipping Coins, Maximal crosses, Gravel, Reduce string, Head office building, Adding Least Common Multiples, Ripple-Carry Adder, Randomly Testing Circuits, Backup Functions, Baking Cupcakes, A Simple Equation, Decreasing String, Product of Digits, The Perfect Chocolate Candy, Birthday Candles, Cooling Pies, In Danger, A String Game, Flu Shot Lineup, N Knights Problem, One Dimensional Game of Life, Dinner Party Socializing, Cutting Recipes, Splitting Giant Subs, Newspaper Puzzle, The Morning Commute, Pairing Chefs, Count Relations, Coloring Colorable Graphs, Breaking Into Atoms, Three Way Communications, The Key, The Mother-ship, Palindrome Palindrome, Rectangles Counting, Cipher Text, Parade, A Prime Conjecture, Chef Teams, Billboards, Large Kitchen, Correctness of Knight Move, Mean Mean Medians, Open the Dragon Scroll, Hotel Bytelandia, Evil Book, Across the River, Divisor Sum, Generalized Arithmetic Progression Free Sequence, Sum of Factors, Calendar, Lucky Count, Houses and Restaurants, Lucky Array, Ciel and A-B Problem, Dynamic GCD, Lucky Long, Favourite Numbers, Count of Maximum, Fit to Play, Daily Train, Divisor Summation, Is it a tree, 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 Exams, Kisses & Hugs, Little Elephant and Bombs, Little Elephant and Music, Fierce Battles, My Fair Coins, Arranging Cup-cakes, Event Organizer, Closing the Tweets, Connecting Soldiers, Matchsticks, Range of Data, Racing Horses, Ciel and Receipt, Guess the Middle, Code Crazy Minions, Granama Recipes, Coin Flip, Carvans, Buy1-Get1, Tourist Translations, Magic Rankings, Different Trips, N Queens, Little Elephant and Permutations, Sridhar Likes Travelling, Buying Sweets, Equalization, Rat Maze, Arithmetic Progressions, Parking Woes, Triangular Queries, Tree Counting, Packaging Cupcakes, Chef of the Year, Climbing Stairs, Count the Words, Observing the Tree, Approximately, Queries on tree again!, Word Play, Making Change, Three Different Numbers, Final Battle of Chef, Physics, Palindrome, Prime or not, Fire Escape Routes, Almost Prime, A OR B, Name Reduction, Your Name is Mine, Save The Princess, Andrew and the Meatballs, Andrew and the Strings, The Probability Of Winning, Lapindromes, Cool Guys, Furik and Rubik and Sub Array, Chef and Walking on the rectangle , Chef and Segments, Chopsticks, Counting The Important Pairs, Maxim and Dividers, Count K-Primes, Attic Crossing, Online Shopping, Number of Factors, Sereja and Transformation, Prime Distance On Tree, Gangsters of Treeland, Splitting Candies, Chef and The Right Triangles, Chef and The Divisibility Queries, Counting D-sets, Fibonacci Number, Kamehameha, Tree, Game Of Thrones, Polo the Penguin and the Numbers, Friendly Numbers, Uncle Johny, Missing some chairs, Girl Friend and String Gift, Polo the Penguin and the Tree, Lucy and Palindromes, Chefs in Queue, ForbiddenSum, ATM, Number Mirror, Am I a Fibonacci Number, Lowest Sum, Rectangular Queries, Query on a tree VI, Chef and Substrings, Chef Goes Through Segments, Chef and Favourite Sequence, Perfect Subarrays, Counting Matrices, Rich Rhyme, Merging Files, Changing Money, Bon Appetit, Chef and Feedback, Olympic Village, Longest Common Pattern, Little Elephant and Subarrays, Farmer Feb, Colored Array, Chef and Shop, Chef and String, Chef and Numbers, Compilers and parsers, Walk, The Street , Little Chef and Numbers, Mike and Stamps, Counting Bits, Sherlock and Inversions, Chef and Remissness, Chef and Kingship, Chef and Reunion, ABC-Strings, Chef and Graph Queries, Sereja and D, Sereja and Arrays, Easy Tiling, Really Easy Tiling, Chef-jumping, Chef and Digits, Little Elephant and T-Shirts, Dividing Stamps, Saying Hello, Divide the Tangerine, Chef and Reversing, Chef and Ground, Chef and Chain, Chef and Digit Jumps, Chef and Rainbow Array, Sereja and Bubble Sort, Chef and Strange Matrix, Chef and Bracket-Pairs, Shortest Path in Binary Trees, Chef and Left-Right, Ups and Downs, Stone, Count Permutations, Count Sequences, Tracy and Charlie, Guessing Game, Permutation Shuffle, Reach The Point, Dish Owner, Divisible Subset, The Leaking Robot, Brand New Game, Rectangles, Game of Numbers, Queries on the String, Sherlock and the Grid, Substring Query, Coprime Triples, The Smallest Pair, Dynamic Inversion, Subarray GCD, Chef and sequence, Push the Flow!, And Operation, Shift The String, Rectangle Query, Copy-Paste, Present for Andrii, Sum Queries, Chef and Gift, Chef and Array, Fun with Rotation, Fombinatorial, Dragonstone, Children Trips, 2048, Deja Vu, Chef and Strange Formula, World War 2, Tanu and Head-bob, Union on Tree, Convert the Expression, Jam, Sereja and Permutations, Updating Edges on Trees, Chef and easy problem, Cyclic Prefix, Kali and Devtas, Spiderman and Jumping, Distinct Characters Subsequence, Chef and Red Black Tree, Chef and Notebooks, Walk on the Axis, XOR with Subset, Logging in the computer, The Problem Set, Let us construct palindrome, Chef and a great voluntary Program, Chef and Churu, Player, Course Selection, Mangalyaan-2, Supercomputer, Landing Platform, Chef and Apple Trees, Cascading Style Sheets, Jai Hanuman, Covering Sets, Brackets, Chef and Keyboard, Chef and Stones, Zombinatorial, Special Shortest Walk, Charlie and Prime Numbers, Sereja and Votes, Xor Queries, Delivery Man, Queries On Tree, Drawing Contest, Kings Dinner, Interview Scheduling, Good Joke!, Fit Squares in Triangle, Piece of cake, Road Decoration, Matryoshka Dolls, Jersey Number, Gabba sprint, Gcd Queries, Xor Matrix, Equilibrium number, Chef and Interview, Cricket Tournament, Message Typing, Lucky Four, Sweet Deal, Broken Telephone, Big Queries, The Grand Budapest Hotel, Interstellar, Andrash and Stipendium, Fibonacci, Way Out, Chef and Prime Divisors, Chef and Inflation, Chef and Polygons, Set Difference , How to Minimize a String, Palindromeness, Flip Flops, REVERSE, Version Control System, Prime Palindrome Sum, Tickets, Bank and vulnerable passwords, Clarke and Australian Cricket Team, Counting Primes, Counting on a directed graph, Busy-ness, Laboratories, Unlock Secrets or Leonardo, Teaching binary to a child, Zeroes, Chef and String, A New Scheme, Mix Sorting, Find Most Repeated Character, Kazi And The Contest, Rohith and Circles, Devu and Grapes, Add Two Numbers, Find Remainder, First and Last Digit, Smallest Numbers of Notes, Reverse The Number, Helping Chef, Total Expenses, Id and Ship, Valid Triangles, Gregorian Calendar, GCD and LCM, Second Largest, Small Factorial, Nikhil and Commands, Arush Challenge, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Chef and Dolls, Chef and his Sequence, Digit wise operator, The Campus chapter effect, Merge Sort, Number of Ways , Devu and friendship testing, Entrance Exam, Train Partner, Cops and the Thief Devu, Maximize Disjoint Pair Sum, Intervals and subarrays, Chef and Table Tennis, Churu and Balls, Strange operations, Easy exam, Chef and Bitwise OR Operation, Chef and Two Strings, Chef and Sets, Race Time!, Dividing Machine, Chef And The Hiring Event, Simple Queries, Chef and Path, Chef and Segments, Who dares to be a millionaire, Chef and Rectangle Array, Receipt Recovery, Forgotten Language, Cracking the Code, Friends Meeting, Chef and the Number Sequence, Churu and lost string, Chef and the Wildcard Matching, Capital Movement, Rupsa and Equilateral Triangle, Pattern matching, Misha and Gym, Sum of palindromic numbers, The 8-Queens, Yet Another Problem About Sequences, Chef And Operators, Jump mission, Simple Sum, The Climbing Monkey, Cyclist Race, Chef and cakes, Pure Alphabets, Estimating progress, Queries with Pairs, GCD on Tree, Max Subarray GCD, Mahasena, Avantika, Chef and Filters, Palindrome Pairs, Factorial to Square, Kalakeya, Chef-Detective, (Challenge) Chef and Palindromes, Processing a string, Chef and Array and K, Exam results, Matrix Maximum Sum, Mutated Minions, Petr Contest, Ancient Berland Roads, Chef and Destruction, Matched Brackets, Wormholes, Matched Brackets 2, Chewing, Distinct Codes, Palindromic substrings, Sereja and Array and Subtracting, Sereja and Pairs, Sereja and Tree 2, Magical Strings, The Christmas Gift, Jalebi Bai and Decks of Sweets, Chef and Pick Digit, Chef and Time Machine, Samosa Bhai and his Courier Company, Chef and Subarrays, Chef and Queries, Chef and Vectors, The Christmas Cookies, The Revenge of Jalebi Bai, Save The Trees, Devu and Perfume, Jump on Buildings, Similar Strings, Longest Common Subsequence, Chef And Binary Operation, Bubble Swap Count, Chef and Fruits, Traffic Count, Malvika conducts a Programming Camp, Malvika and Animesh play Red-Blue cards Game, Malvika is peculiar about color of balloons, Animesh practices some programming contests, Animesh has a war with tribal leader Malvika, Animesh decides to settle down, Crazy Malvika discovers Crazy Fibonacci function, Monika And Song, Chef and digits of a number, Dual Nim, Learn Segment Tree, Strange Functions, Alternating subarray prefix, Node Picking, Optimal Reserve Price, Seize The Day, Faded Palindromes, Chef and Polygons, maximize the sum, Chef and math, Fullmetal Alchemist, Puppy and Board, Puppy and Sum, Rain Water trapping, The Inversions, Forest Gathering, Simple Statistics, Get AC in one go, Pankaj and Icecream, Ada and crayons, Total Palindromic Numbers, The potato problem, Simple Sum, Chef And Magical Path, Dragon Warrior, Ramesh And Suresh, Fear of Rectangles, MinConcats, Golu and url shortner , ZEROES01, Cab Service, Chef And Coloring, Maximum K Sums, Help with selection, Summer Internship, Help with distances, Probability, Climbing Stairs, PrePre, Movie Weekend, Odd Divisors, Queries on a Binary Tree, Polygon, Daddy and Chocolates, Cooking Schedule, Eugene and big number, The Bracket Problem, Chef and Round Run, Cats and Dogs, Chef and Big Soccer, Laddu, Coins And Triangle, Akhil Recovers The Lost Array, Very Simple Question Returns, Akhil And Colored Balls, Chef and special numbers, Devu and an Array, Floor Division Game, Sticks, Chef and Robots Competition, Longest Increasing Subsequences, Chef and Sad Pairs, Sharing Candies, N different palindromes, Different Neighbours, Cutting Cake, Beautiful Sandwich, Alliances, One more weird game, Square in numbers, Range Minimum Queries , Chef and Mover, Coloring A Tree, JosephLand, Chef and Proportion, Chef and Numbers, Chef and Array, Chef and squares, A Good Problem, 3 Divisible Subsets, Will and Closed Set, Drumpf for President!, Lumpy - The Bus Driver, Print It, If - Else Problem, Nearest to Me, Studying Alphabet, Pascal Triangle, Sorting Tool, Second Year Pains, Take Turns, Kth Max Subarray, Sahil The Anime Lover, JARVIS and LCP , Mahasena , Joker and Batman, Raymond And Network, Lazy Jem, Zack And The Handkerchieves, Find The Factos, Chef and Digits, Coldplay Concert, Tree Palindromes, Batman v Superman, Find The Digits, Pattern, The Reverse Game, Time Conversion, Watson asks Does Permutation Exist, Candy Game, Chef and Roads, Sagar And Pens, Tree Balancing, ChefWatson uses Social Network, Task for Alexey, Prison Break, Help Lost Robot!, Watson and Digit Sums, Colorful Grids, Robolympic Batons, Counting Lights, Query On Strings, Query On Arrays, Download file, To add or to multiply game, Wow, Rangoli pattern, Number Theory, Kirito in labyrinth, Proper Divisors, Test the Year, Pythagorean Triplet, Pattern Problem, Fibonacci, Remove Duplicates, Tree Height, Maximum Xor Query, Evil Chris, Chef and his Students, Chef and Square Set, Tom & Jerry, Chef and Queries, Path by a Castle, Timestamps, Coal mines of Kharagpur, Painting a Town, Birthday Pizza Party, Voting Fraud, The Saviours, Influence on Social media, ATM queue, Netcoin Verification, Mancunian Hoards Black Money, Bob vs ATM, Playing World War II, Extreme Encoding, Zeroes VII, Optimal use of Nuclear Power plant , Mr Wireless, Forming Teams Again, Pacman, Fly height mode, Chef and Circle, Digits Cannot Separate, Reservior, Tourists in Mancunia, Square It, Rabbits and Carrots, Sealing up, Nothing in Common, Digit Longest Increasing Subsequences 2, Sum of distances, Mixing flavors, Cisco and Magical array, Xenny and Alternating Tasks, Cooking Game, Next Permutation, Bear and Extra Number, Bear and Milky Cookies, Hidden Message, (CH) Bear and Sorted Rows, Bandwidth of a matrix, Bear and Oveflow Points, Count Strings, Number Tower, Maximum of Three Numbers, Second Max of Three Numbers, Chef and Array, Chef and Array Update, Logan and his XOR debacle, Golu and Sweetness, Sorting Problem, Long Sandwich , Bear and Ladder, Pishty and tree, Bear and Row 01, Bear and Clique Distances, Similar Dishes, Rhett and Link, Bear and Shop Trip, Bear and Candies 123, Factorial Problem, Flash vs QuickSilver, Mayank and Line Segments, Minimizing the dot product, Bear and Segments, Joey and food, Bear and Segment 01, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences, A Good Set, Triplets, Snake Procession, Snake Eating, Temple Land, Nasty Queries, Prefix Inversions, Hasan and boring classes, A temple of Snakes, Sticks, Knight Covering, Snakes and their coup against The mongoose, Add or Multiply, Minimax, Maximum Unique Segment, Two Numbers, Chang and Bitwise OR, Hit the Coconuts, Whats in the Name, Calculator , Walks on the binary tree, Bipartite Graph from Trees, Find the Maximum Value, Good Pairs, Divide the Set, Sum of Cubes, Weasel finds Staircase, Mathison and the Dynamo shuffle, Difference array, Real obtuse, From heaven to earth, Mathison and pangrams, Max Mex, Little Chef and Sums, Total Meth, Chef Hates Palindromes, Fast Exponentiation, A Balanced Contest, Maya and her love, Coordinate Compression , Stack it up, Total Diamonds, (Challenge) Connecting computers, Disease, Modular GCD, Chef and Subarray Queries, Chef and Employment Test, Chef goes Left Right Left, Buggy Calculator, Obtain Desired Standard Deviation, Ordering teams, Villages and Tribes, A tale of two trees, Days in Month, Killing Monsters, J - Reached Safely Or Not, C - Club of Riders, Organize The Wallet, Fibonacci Series, Prime Factorisation, Matrix Median, Bridge Crossing, K Fibonnaci, A humongous Query, Skiing, Chef and XOR Queries, Random Pair, I - Secrets, D - Triangle Count, Strange Queries, Chef And his Cake, Chef, Leonardo And Queries, Chef And Easy Xor Queries, Four Friends, Spanning Tree, Chess knight move, Codie Bird, Good and Bad Persons, Minimize the string, Uniform Strings, Killjee and k-th letter , Taxi Making Sharp Turns, Pishty and Triangles, Generating A Permutation, Number Game, Coupon System, Quadratic Functions, Beautiful Array, A Tale of Three Squares, A Tale of Two Right Angled Triangles, Football Match, Large Sum, A Few Laughing Men, Coder Life Matters, K-Concatenation, Maximum Score, Rectangle, Minimum Maximum Partition, Partition the numbers, Hello World, Deducting Budgets, Smallest To Square, Multiply the Array, Make array great again, Easiest Problem, Max Subarray (keteki), Chef And His Characters, Chef and Escaping from the Labyrinth, Chef And The Patents, Chef and odd queries, N-QUEENS, Campus Drive, Celebrity In Trouble, Save Patient, Chef and Easy Problem, Car-pal Tunnel, (Challenge) Biased Committee, A Big Sale, Permutation and Palindrome, Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line, Division without Operators, CAPTAIN M & ARMY, Smaller than the element, Euclid in Manhattan, Prefix borders, Game with numbers, Jumping in the hills, Electron Base, Chef and Glove, Minions and Voting, Minion Chef and Bananas, Help Voldemort, HYPER ADI, Chef Goes to the Cinema, Chef Chooses a Subset, Chef Judges a Competition, Mussadi lal and stairs, So Straight, DP Made Easy, Chef and Friends, Three Integers, AND Square Subsegments, Magic Elements, Fibonacci String, Minimum Deletions, Workers, Xor Again, Good-Bad Pair, The Deadly Sin, Computer Virus, Candy Love, Reverse String, Convergence, Cut the Board, Binary Nim, Two vs Ten, The hardest gcd problem, Boring Marriage, The Last Digit, Dibs on Fibs, Sum on Tree, Best Cake Ever, Secret Recipe, Binary Board, Naive Chef, Trace of Matrix, Weak in the Middle, Xor Table, Maximum Plus, Fill the Truck, Sum OR Difference, Decrement OR Increment, Area OR Perimeter, HOW MANY DIGITS DO I HAVE, Is it a VOWEL or CONSONANT, Pizza Delivery, Prime Numbers, Archi and Comparsion, Good Permutations, Mean Array, CyclesAndColorings, Circular Intervals, Exact Walks, Summary Power, Counting Pretty Numbers, Gears, Merge Sort, Big Multiplication, Selinas the Chefs Falling on the Tree, Encoding Message, OR Matrix, Split Stones, GCD Sum, MEX and Ranges, Chef and Secret Ingredient, Chef and Bored Games, Prime divisors, Sheokand and Number, Spell Bob, Playing With Numbers, Books And Pages, The Array Problem, King of Chefland, Prime Game, The Great Run, Kill them with your success, GukiZ and Candies, Mixi Game, Magician versus Chef, Find the prefix sum, Balsa For The Three, Sacred Game, Chef and Eid, Chef and Adventures, Ada School, Bad Shuffle, Games on Arrays, Minimize the Equation, Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, ATM Machine, Make a Permutation, Max-digit Tree, Query on Array, BALANCE, Judging Delay, Biased Judgement, Match the Streams, Qualifying to Pre-Elimination, Chef and Semi-Primes, Ada King, Ada Pawns, Chef And Sums, Ada and the Staircase, Pumping Water, Chef and Typing, A Game of Robots, A Family of Bipartite Graphs, Word Grid, Paint the Wall, Appy Loves One, Three Friends, Coloring the Grid, Weird Question, Chef and Difficult Contests, Heap Pirates, Truth and Dare, A-B Game, (Challenge) Delete DAG, Colorblind Feast, Max and Electrical Panel, Maximize It, Chef and Interactive Contests, Chef and An Ideal Problem, Adi and the Matrix, Adi and the Tree, Maximise the Sum, Lucky Number Game, E - Make it Zero, A Triangle and Two Squares, Count Periodic Numbers, 1-2 Game, Another Game of Life, Game of numbers, Autonomous Cars, Fighting Armies, Magic School, Get a Bucket of Water, Do You Want to Build a Snowman, Absolute Difference Sum, Valid Stack Operations, XOR! Wait for it, Is it a Cakewalk Problem, Martingale, Return of the Gargoyle King, Print Pattern, D - Balanced Parenthesis Substrings, Ross goes for Shopping, Summation over nCr, Jake and His Halloween challenge, Alohomora, Find Best Path, Age Calculator, Fancy Quotes, (Challenge) Chef and Matching Game, Tree Queries, Philosophers Stone, Shivigawdz, Grouping them right!, String and Graphs, Jungle Safari and the Boat, Ada Rooks, Prime Factors and Ranges, Bus Station, Chef And His Society, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Appy and Contest, Mayhem Again, Art of Balance, Friend, Cats and Tree, IPL and RCB, Chef and Secret Password, Buying New Tablet, Chef and Party, The spy machine, Beginner, Average Number, Paths, Chef and a Beautiful Digit, Even Odd, Large Factorial, Kira Loves Palindromes, Range Sum Problem, (Challenge) Interleaving Strings, Hello World, Playing with Numbers, Friend or Girlfriend, FlatLand, T-Series Vs PewDiePie, Subtree Removal, Fencing, Corrupted Seven-Segment Display, Testing Robot, Partition into Permutations, Game of Theory, Nuttela needs a little help, Some Impact, Subset Numbering, Max power, Find The Sum, No Succession, Long Long Sum, Sweet by Chef, Range GCD, Ye Re Ye Re Pawase, Doubly Increasing Path, Solve The Case, When to take medicine, Pied Piper vs Hooli, (Challenge) Chef Exchange, Making a Meal, Trees and Degrees, Chef Learning Hungarian Algorithm, Reduce to One, Chef and Proxy, Count Arrays, Attendance, Fast Food, Minimum Sum, Encoding, Sum and GCD, Friend in Need, Bitsetbaba and Power Grid, Dummy Palindromic Strings, Grid Tour, Reverse Maximisation, Searching for a Biclique, (Challenge) SnackDown 99, Chef and Distinct Numbers, Chef and Sum, Multiple Choice Exam, Chef and Gordon Ramsay, Eat Twice, Ping Paja Pong, Magda and Silly Pairs, Football, Distribute Apples, Zombie and the Caves, Birthday Gift Again, Playing with Strings, Two Variables, Fuzzy Linear Combinations, Easy Math, Equal Median, merge sort, A - Books, Smallest Beautiful Number, Chef and Dynamo, Shortest Sub-Array with sum at least K, Save Konoha, Warriors, Prajit and bits, Rich Substrings, Chef Drinks Coke, The Biggest Restaurant, Chef and Interesting Subsequences , Gaithonde Leaves Aashram, Plus Multiply, Count the K-tuples, Binary XOR, XOR CIRCUIT, Bits Magic, Inversions in an array, Sugar Rush, Angry Grandfather, Phone Prices, Two Groups, Playing with Matches, Weird Modulo Problem , Faulty System, Apples and Oranges, Student of the year, Recursive Digit Sum, Yet Another Partition Problem, Doraemon, Weapon Value, Scoring Pairs, Chef and Minimum Colouring, Pen Pineapple Apple Pen, Colliding Balls, Shortest Palindromic Superstring, Beautiful Partitions, Discount in a Shop, Awkwardness Minimization, Moving Segments, Grid Shuffle, Medel, Select Training Set, The Promised Land, Sticky Notes, Nuttela Path Unit, How much Scholarship, Fibonacci Inspiration, Combinations, Odd Topic, Balanced Brackets, Kth Divisor, Chef Diet, (Challenge) Cubical Virus, Special Graph Construction, That Is My Score!, Colorful Balloons, C - Recover Array, Nth Fibonacci Term, Perfection, Train or Walk, Direct Segments, Maximize Diversity of an Array, Addition, Chef and Diamonds, Beauty and The Array, Is This a Give Away, Analytics Load Jobs, Inverse Knapsack, For the Benefit of All (hard version), Game on Tree, Telephone Network, Mean Problem, Safe Robots, Breaking Bricks, Change It, Purify It, Usain Bolt vs Tiger, K-Prob, Rotate String, Polygon Containment, Sufficiently different string, A Complex Graph Problem, Tree Query, LCM Constraints, Expected Candies, Stupid Machine, Check Algorithm, Ruman and Pull Requests, Chef and String, Strange Number, Chef Chick, Exam Cheating, Maximum Subsequence Sum, Squared Subsequences, Devotee of god, Bitwise Operators, Exploring Undiscovered Planets, Destroy The Asteroids, Recruit Villagers, Range AND, Chefina and Sums, Chefu and Tiles, Chef and Candies, Psertu in Byteland, Buying a New String, Quality Work, Even Matrix, Chef and Street Food, Chefina and Swaps, (Challenge) Raisins, XOR Game, Triangular Pyramid, Chefina and Beautiful Pairs, Yet Another Mod Mod Mod, Prefix sum, 1 - Nights Watch, Check Prime, Chocolate Day, Valentines Day, Button Pairs, Base Plans, Joined Subarrays on Tree, Euler Totient Function, A - Tom & mouse traps , Find maximum in an Array, Chef and Stocks, Good Subsequences, Painter Problem, At the Gates, Not All Flavours, Monsters Battle, Unit GCD, Find Your Gift, Paleontology Museum, Escape the Tree , Chef and Dragon Dens, A lot of cars, Cool Subsets, Coronavirus Spread, Sell All the Cars, Naruto and Rectangles, Chef and Squares, The Scientist Ishita, Lift Requests, Simple Operations, Balls, Final Exams, Cutting Wire, Amal’s Business, Find Number From Factorial, Dio Likes Muda Spams, Chef learns Statistics, Naruto and Chunin Exams, Greedy DD, Cobb and Mazes, Triangle Query, Another Birthday Present!, GCD OF TWO NUMBERS, Chef and Numbers, Monty Hall Paradox 2, Isolation Centers, Chef in Fantasy League, Creating New Mathematical Tasks, Chef and Recipe, Chefina on a Trip, Laxman and Maths, The Tom and Jerry Game!, The Delicious Cake, Linking Linked List, Quick Sort, Doctor Chef, GCD of the Submasks, Weird Algorithm, Guessing Game, Absolute Min Max, Chef and String, Weird Walk, Lost Weekends, New Algorithm, Unique Strings, Chef and Price Control, Pooja Paath, Minimum Cards, Cache Hits, A Problem on Sticks, Max Mex, Carry Bed, Chef vs Doof, Doof on Cartesian, Min-Max String, Distribute Candies, Increasing Decreasing, Gold Mining, 1 - Cakezoned, Chef and Strings, The In-XOR-able Task, Even-tual Reduction, OR-thodox Distinction, Path-etic Products, Unique Substring, Cherry and Bits, Priya and AND, Phoenix Meets Valkyrie, Chef and Steps, Chef Wars - Return of the Jedi, Another Card Game Problem, Find XOR, Sudhanva and Books, Coloured Pairings, Chef and Sums, Smallest KMP, Game on a Strip, Move the Coins - Creating Tests, Chef and Wedding Arrangements, 2 - Sums divisible by 3, Counting Graphs, Notebook Distribution, Ada Matrix, Mode of Frequencies, Alien Invasion , Coronavirus Spread 2, Bowling Strategy, Permutation Split, Root the Tree, Zenny and Simple Sum, Watermelon, Chef and Covid, Covid Run, Hail XOR, Chef and Easy Queries, 2D Array, By Hook or By Crook, Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, Ada and Dishes, Average Median Game, Yet Another Crossover Episode, AND Plus OR, Magical Candy Store, Los Pollos Hermanos, Empire Business , The One Who Knocks!, Chef and Subtree MEXs, Chef Is Just Throwing Random Words, Hunting Race, Climbing a staircase, Iron, Magnet and Wall, Tree and unwanted leaves, Segment Tree, International Day of Yoga, Area of Largest Rectangle, Frog Sort, Frequency Array, Birthday of Anabelle, Compartment Weights, Print Sub-Array, Flip the String, Chef and IPC Certificates, Set Queries, CHEF GOES FOR A DATE, Chefland The Great City, Gasoline Introduction, Circle Eating, Interesting XOR!, String Operations, Positive Prefixes, Even Pair Sum, Guess the Tiling, Vaccine Production, Self-Destructing Strings, Mex Subsequence, Array Swaps, Hidden Numbers, Willows Sort, Catch the Thief, Circle of Chaos, Angry Cyborg, Cybertree, LCM and HCF, Status and Updates, Fair Elections, Minimum Attendance Requirement, 8 Use Priority Queue Please, XOR-ed Palindromes, Maximum Value, Maximum Size Hollow Square, Rectangle, Bodybuilder, Maximum Possible Sweetness, Chef and Patients, Chef and Division 3, Cleaning Drive, Palindrome, Daanish and Problems, Chef and Groups, Ashishgup and Interviews, Chef and Divisors, Maximum Size, Minimum Steps, Find Second Largest, Prime Tuples, Chef Organizes Party, Maximum Money, College Life 2, Distinct Pair Sums, College Life 5, Common Ancestors, Password, Maximise Function, Buy Please, Special Fibonacci, Magical Game, Minimum operations, Power of 2, Chef needs Help, Pair Me, Dreams of Divisibility, Even Differences, 1 - Binary Distance, Even Sum, pattern14, Maximum GCD, Hello, CodeChef!, Body Mass Index, College Admissions, Space Arrays, Defense of a Kingdom, Fun Maths, Infection, Valid String, Server Trouble, Consecutive Deletions, Smallest Possible Whole Number, Coprime Range, Chef and difference, Chef and Coupon, Maximum Topological Sort, Odd Array, No Time to Wait, Breaking the Fence, Water Transfer, Total Correct Submissions, Pattern of Paradise, Turn It, Can You Exit The Maze, Geometric Possibility, Motivation, Pawri Meme, Chef and Sorting, Weight Balance, Guess the Number, Lucky Four, Maximize GCD, Possible Victory, Birthday Gifts, Uniform, Binary Game, Lunchtime, Valid Pair, Strong Language, Boolean Game, Passing Marks, Chef On Island, The Last Problem, Chef in Heaven , Hiring Test, Bench Press, B - Valentine Couples, F - Stone Land, Encode Kalakeya, Joker and Batman, Chocolate Monger, Pizza Party, Equinox Strings, Array Rotation, Special Triplets, Charges, Odd-Even Sum, Xor Equality, Minimum Sum, Coldplay, Hoop Jump, Modular Equation, Golf, Solubility, Unlock it, Indexing, Guess The Day, rotation left or right , LuckyGame, A vs B, Kid & Table, unique_num, Pattern, InterviewRound1, Marathon, Step or Jump, Bitwise Tuples, Tom And Jerry 1, Make it zero, Bella ciao, False Number, Array Equal, Lazy Chef, The sequence of 2s and 7s, K-Subarrays, Maximum Frequent Subarray Sum, Summer Heat, ICPC Balloons, Richie Rich, Chess Match, Chef vs Bharat, The Wave, Random Permutation, Cyclic Quadrilateral, Optimal Denomination, Unpleasant Ones, Maximum Production, Chefs Homework Dilemma, Relativity, Different String, Even tuples, Range Array, Odd bits, pattern type-1, advance pattern, Chef and Closure, Chef and GCD, Chef and Spells, Three Dices, Equal Difference, Beautiful Subsequence, Beautiful Pairs, XOR-ORED, Chef and Bulb Invention, Shoe Fit, Chess Format, Shuffling Parities, Food Chain, Red Alert, Interesting Representation, Matrix Permutations, Longest Good Segment, Problem Difficulties, 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Chef And Salary Pay, Yet Another Shortest Path Problem, Yet another SOD problem, Sardar and GCD, Drunk Alcoholic, Maximum Damage, Which Mixture, RCB and Playoffs, Cool Name, CODE3, Nice Pairs , Calculate the distance between 2 points, Gold Mining, Print The Pattern, Lucky Number, Alternating Work Days, Round Robin Ranks , F - Pair Sum, Dance Moves, B - Count Unique Elements, Pass or Fail, Chef and Pairing Slippers, Tree Upshot, Min Max LCM, Odd Sum, Average Flex, Second Player, Find the Modulus, 01 Subsequence, Problem Category, Help Nishant, No Plagiarism, Wildcard Replacement, Weird Palindrome Making, Equal Coins, Which Fuel is Cheaper, Maximise the bridges, The One with Russ, GCD of Prefixes, The One with All the Candy, Partition It, Chef on Vacation, New Piece, Can_Reach, Disabled King, Odds and Evens, Can You Eat It, Missing Sums, Palindromic Binary Numbers, Back to Campus, The One Where It All Began, Sum this up, Minimum Number of Pizzas, Chef and Stock Prices , Strange 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Divisibility , Non Zero Xor, Mask Policy, Chef and Fixed Deposits, Encryption, Boring Trip, Elections in Chefland, Average of Three, Swap the numbers, Chef and Profits, Erase All But One, Anti Palindrome, Avoid Contact, Chef and Subset Additions, Chef and Lockout Draws, pattern, Special String, Badminton Serves, Divisors and Reciprocals, Yet Another Constructive Problem, EVM Hacking, Binary Base Basics, Equal MEX, Remove Adjacent, N Queens Puzzle Solved !, Chef and the Hair Salon, Akash and Function, K Distinct Array, Points and Lines, Chef and His Fruit Stand, Chef and NextGen, PerMEXuation , 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, Blackjack, The product mystery, Permutation Xor, 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, Bracket Removal, Permutation Xority, Bomb the base, Self Defence Training, Count the Holidays, Janmansh and Games, Janmansh and Coins, Janmansh and Assignments, Equal Mex Splitting, Oh I Dont Care, Palindromes and Queries, Substring of a Substring, Akash and Missing Class, Count the Ones, 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, Buy 2 Get 1 Free, Chef and Brain Speed, Chef and Gym, Chef and Masks, CRED Coins, Separate Them All, The Three Topics, XOR and AND, Alternating String, Sign Moves, Cup Finals, The Unchanging OR, Economics Class, Stable Mex, The Rating Dilemma, Binary String Cost, Volume Control, Flip Sorting, Avoid Alternating, 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, Funny Hand, Important Pages on CodeChef, Email Reminders, Dazzling GCD Pair, Prime Sum, Distinct Dilemma, The Cheaper Cab, Monthly Budget, Non Adjacent Flips, Dark Light, Make Them Equal, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2, Binary Mismatch, Pairwise Xors, Average Array, Is the Score Consistent, Expiring Bread, Lunchtime, Admins and Shopping, Water Requirement, Police and Thief, Chef And Division, 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 , Farmers League, Game of Pooks, The Mango Truck, 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of Technex, Couple Game, Max count of 1, Chef and Donation, Elections in Chefland, Max Binary, Trees Are Fun, Chef And Adjacent Sums, Melt Gold, Four Tickets, Buy Ten Packets, Efficient PAN Linking, Return the Change, Inversions of subsequences, Inside The Stadium, IPL Ticket Rush, Can Chef , Least Size, Minimum Operation, String Game , Prefix Max, Cricket Match, Chef and Battery , Largest Y, CodeChef Learn Problem Solving, Maximise Score, Existence, Monopoly, Plus 2 or Minus 1, AB plus C, Positive or Negative Subarrays, Subarray Removal, Parliament, DDMM or MMDD, Minimum OR Spanning Tree, Masterchef finals, Online or Offline, Largest and Second Largest, Cheapest Office, Learning SQL, AP Free Sequences, Printing Binary Array, Favourite Numbers, Rectangular Tiling, Odd GCD Permutation, 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, NASA, Right There, 7 Rings, Problem, Alt-Tab, Boxes, Donation Drive, Donation Rewards, Transfusion Chain, EVacuate to Moon, Messi vs Ronaldo, Remove Multiples, Schrodinger Smiley, Airport Management, Build Towers, Triplets Min, 2000, Two Piles, Card Swipe, Endless Appetizers, Puzzle Hunt, All New CodeChef, I Can Use Both Hands!, GCD Discount, Lucky Seven, Slow Start, Stamps 100, Air Quality Index, Chocolate Distribution, Concussive Sequence, Warrior Chef, Work Smarter, Not Harder, Off By One, Chef Segment, Bit Play, Array Sum, Sports Section, Chef and Stocks, Squarified, Fan Poll, Chef Fantasy 11, Playing with OR, Save People, Smallest Excluded LCM, Unique xor, October Marathon, Dice Number, Maximise Sum, Santa and Chocolates, Double Rent, GCD and LCM, Bone Appetit, Dracula Eats, Dull Operation, Survival Time, Minimum XOR, Clan Expansion, Palindromic Prime Numbers, Rock Paper Scissor, Pending Assignments, Clear Day, OR Permutation, Cricket World Cup Qualifier, Best of N Sets, Worth of a Video, Water Park, Am I Lucky!, Prefixing, Exams, 404 Not Found, Food Costs, Fair Share Settlement, 3 Logicians Walk into a Bar, Game on Array, Thala For A Reason, Greedy LIS Algorithm, Christmas Greetings, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree, Codechef Round, Chef Product, Hattrick, Exact Savings, Access Control, Yearly Phone, Count Substrings, Xorry 2, Xorry 1, Advitiya, Judged, Cookie Day, Another Good String , Xorred, Unalike Gcd & Lcm, Count Subarrays, Sub or Swp, Valentine Gifts, Frequal, Split And Maximize, Maximise Adjacent Sum, Healthy Sleep, Arya In Grid, Summer Time, Array Operations, Permutation Disturbance, ABC Conjecture, The Ides of March
Contests (0):
None
Learning Paths (0):
None
Practice Paths (56):
Strings:
N Buttons 1 Bulb, DNA Storage, Wordle, Different Consecutive Characters , Malvika is peculiar about color of balloons, DDMM or MMDD, World Chess Championship, Chef and Happy String , Efficient PAN Linking, Blobby Volley Scores, Studying Alphabet, Lapindromes, Chef and Feedback, Chef and the Wildcard Matching, Password
Arrays:
Compress the Video, Find maximum in an Array, Snapchat, Cost of Groceries, MIN To MAX, Bomb the base, Running Comparison, Red Light, Green Light, Largest and Second Largest, CodeChef Streak, Difficulty Rating Order, Candies, Workers, Count of Maximum, Cops and the Thief Devu
Basic Math:
Fitness, Test Averages, Second Max of Three Numbers, 7 Rings, Chef and Chocolates, Find Remainder, Integers that sum to the same value, Candy Store, Minimum Number of Ones, Scalene Triangle, GCD and LCM, Make A and B equal, Favourite Numbers, Construct N, 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