vjudge9
- vjudge9
- Student
- Indian Institute of Technology Roorkee Uttarakhand, India
- List of teams by vjudge9
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Practice Problems (3356):
Practice:
Prime Generator, Transform the Expression, The Next Palindrome, Factorial, Small factorials, Pouring water, Play on Words, Marbles, Highways, Ordering the Soldiers, Stable Marriage Problem, The Game of Crosses & Crosses, Poker, Bytelandian gold coins, Ambiguous Permutations, Enormous Input Test, Sums in a Triangle, Simple Sorting, Not a Triangle, GCD2, ATM, The Rise and Fall of Power, Some More Homework, A Christmas Pizza Puzzle, Johnny and the Beanstalk, Paying up, The Way to a Friends House Is Never Too Long, Primary Proposal, Life, the Universe, and Everything, A Very Easy Problem!, Paying up, The Rise and Fall of Power, An interesting subsequence, The Lucky Draw, Primes in the GCD table, Lights Off, Quadratic Equations, Lights Off, Revisited!, Golf course, Nuclear Reactors, A Bowling Game, Crystals, Prime Palindromes, The Lead Game, Permutation Cycles, Discrepancies in the Voters List, A puzzle game, Just a simple sum, Modulo, Park tour, The N Queens Puzzle Revisited, Effective Sets, The LCS Problem Revisited, The Best Box, Palindromic Numbers, Stone Game, Anagram, Palindromic Subsequences, THE GAME, Treasure Hunting, Trip, Edit Distance, Array Transform, The Black and White Knights, Robot Game, Yet Another Number Game, Flipping Coins, Multiples of 3, Squirrel and chestnut, Gravel, Reduce string, Head office building, Adding Least Common Multiples, Randomly Testing Circuits, Backup Functions, Count palindromes, Fetching Cooking Tools, Arranging the Appetizers, Baking Cupcakes, Renting Spare Oven Time, A Simple Equation, Decreasing String, Product of Digits, The Perfect Chocolate Candy, Cooling Pies, Byteknights and Byteknaves, A String Game, Flu Shot Lineup, Choosing Cook Off Problems, N Knights Problem, One Dimensional Game of Life, Dinner Party Socializing, Cutting Recipes, Number Game Revisited, Ski Resort, Newspaper Puzzle, Preparing Dishes, The Morning Commute, Pairing Chefs, Count Relations, Milestones, Buying Land, Coloring Colorable Graphs, Pruning Trees, Holes in the text, Whole submatrix, Time of collisions, Integer Sequences, Three Way Communications, Cutting Rods, The Route, The Key, The Mother-ship, Rectangles Counting, Cipher Text, Floor Function, Parade, Bickering Cooks, The Grand Cook Off, A Prime Conjecture, Internet Media Types, Chef Teams, Jump it up, Socializing Game around Pizza, Distribute idlis Equally, Most Popular Friend, Infinite Grid Game, Misinterpretation, Colored Domino Tilings and Cuts, Vote for the Noodle Soup, Open the Dragon Scroll, Counting Hexagons, Rotate the String, Collect the Chocolate Chips, Digits Forest, Robot Movings, Repeated String, PDS Number, Lucky Palin, Sine Partition Function, Last Digit Sum, Digit Rotation, New Restaurant, Yet Another Sequence, Hotel Bytelandia, Pattern, Evil Book, Divisor Sum, Stepping Average, Colorful Chain, Generalized Arithmetic Progression Free Sequence, Team Formation, First non-Palindrome, Chef Travel Routes, Sum of Factors, Arithmancy, Calendar, Mr and Mrs Ant, CricInfo, Subanagrams, Houses and Restaurants, Graph on a Plane, Lucky Array, Ciel and A-B Problem, Dynamic GCD, Lucky Long, Card Shuffle, Find a Subsequence, Flight Distance, Makx Sum, Home Delivery, Count of Maximum, Fit to Play, Daily Train, Combination Generator, Change of base, How many Islands, Divisor Summation, Double Strings, Jewels and Stones, Ciel Numbers II, Find a special connected block, Virtual Friends, Substrings on a Tree, Little Elephant and Strings, Stacking Pancakes, Greatest Dumpling Fight, Love Magic, Similar Graphs, Selling Tickets, String encryption, Little Elephant and Candies, Andrew and the Birthday, Little Elephant and Movies, Little Elephant and Mouses, Little Elephant and Painting, Little Elephant and Colored Coins, Top Batsmen, Remember the recipe, Expected Maximum Matching, Lights, PRIME, Resistance, Little Elephant and Bamboo, Little Elephant and Cards, Little Elephant and Exams, Kisses & Hugs, Remy paints the fence, Little Elephant and Bombs, Little Elephant and Lemonade, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Arranging Cup-cakes, Event Organizer, Music & Lyrics, Closing the Tweets, Prime Permutations, Connecting Soldiers, Matchsticks, Range of Data, Delivery Boy, Racing Horses, Ciel and Receipt, Ciel and Map, Ciel and Tomya, Guess the Middle, A Game of Thrones, Queries About Numbers, Knight Moving, Annual Parade, Three is Crowd, Find the Goalkeeper, A New Door, Chef Game, Candy Collecting Game, Granama Recipes, Coin Flip, Recipe Reconstruction, Carvans, Coal Scam, Buy1-Get1, Tourist Translations, Different Trips, N Queens, Little Elephant and Permutations, Sridhar Likes Travelling, Buying Sweets, Tennis Tournament, Magic Board, Rat Maze, The Minimum Number Of Moves, Arithmetic Progressions, Pizza Delivery, Barcelona Gameplay Tactics, End Of The World, The Adventure of the Solitary Cyclist, II, Retail Shop, Triangular Queries, Subset Sum, Expected Greatest Common Divisor, Root of the Problem, Packaging Cupcakes, Collecting Magical Berries, Chef of the Year, ChefGame, Count the Words, Vacation, Observing the Tree, Minimum Distance, Many Chefs, Three Different Numbers, Saruman of Many Colours, The Glittering Caves of Aglarond, The Mirror of Galadriel, Dyslexic Gollum, Escape from the Mines, The Black Riders, Snape and Ladder, Physics, Find Minimum Distance, The Ball And Cups, Palindrome, Level Of Difference, Hello Hello, Prime or not, Fire Escape Routes, Lack of Logic, Row and Column Operations, Maximum Weight Difference, Almost Prime, McHefs 3D Logo, Helping Lira, A OR B, Superpowers of 2, String Power, ZooZooland Water Shortage, Lucky 13, Juno Puzzle for May, Name Reduction, Your Name is Mine, Save The Princess, Just Some Permutations 3, Andrew and the Meatballs, Andrew and the Strings, Mountain Holidays, Mountain Holidays 2, The Number Of Solutions, SORT, Two k-Convex Polygons, Andrew and the Meatballs again, Predictopus, The Probability Of Winning, Lapindromes, Furik and Rubik and Sub Array, Rook Placement, Subtraction Game 1, Subtraction Game 2, Chef and Walking on the rectangle , Chef and Segments, Chopsticks, Maxim and Dividers, Sereja and Commands, Count K-Primes, Attic Crossing, Sereja and Ballons, Online Shopping, Tywins Tactics, Sereja and Sorting, Sereja and Graph, Sereja and Transformation, Prime Distance On Tree, Draughts, Greedy Trip, Gangsters of Treeland, Tasty Dishes, Splitting Candies, Pairwise AND sum, Sorting, Three-Degree-Bounded Maximum Cost Subtree, Entangled Strings, Chef and The Colored Grid, Chef and The Right Triangles, Chef and The Divisibility Queries, Quadrilateral, Number of numbers, Yet Another Cute Girl, Counting D-sets, Fibonacci Number, Strange Matrix, Factorisation, Kamehameha, Tree, Polo the Penguin and the Lucky String, Polo the Penguin and the Test, Friendly Numbers, Queries With Points, Polo the Penguin and the XOR, Uncle Johny, The K-th Path, Square Digit Squares, Substring Problem, Missing some chairs, Chef and Codes, Girl Friend and String Gift, Combinatorial Numbers, Polo the Penguin and the Tree, Statues, Stand Up, Lucy and Palindromes, Exponential Game, Chefs in Queue, ForbiddenSum, ATM, Valley of Death, Rescue Jack Sparrow, Jail Break, Number Mirror, Am I a Fibonacci Number, Lowest Sum, List Editing, Lucy and Question Marks, Funny Marbles, Magic Pairs, Reign, Rectangular Queries, Sereja and Shuffling, Query on a tree VI, Chef and Substrings, Sereja and Permutation, Chef Goes Through Segments, Chef and Favourite Sequence, Perfect Subarrays, Mike and Task Packages, SuperFunction, Counting Matrices, Hard Disk, Walking Path, Rich Rhyme, Family of Recurrences, Chocolate Division, Merging Files, Changing Money, Multi-Peg Tower of Hanoi, Rewarding the Priests, Please like me, Chef and Girlfriend, Chef and Feedback, Graph Challenge, Count on a Treap, Team Split, Election Campaign, Stairway Reduction, Building Township, Message Coding, Sequence Alignment, Longest Common Pattern, Little Elephant and Subarrays, Sum Up, Farmer Feb, Chef and the Cake I, Colored Array, Chef and Functions, Chef and Shop, Chef and String, Spec Ops, Chef and Numbers, Cards, bags and coins, Subtraction Game, Interrogating Gangsters, Compilers and parsers, Chef and Way, Walk, Garden Game, Maximum number, GCD condition, The Street , Little Chef and Numbers, Mike and Stamps, Sherlock and the Perfect Array, Atoms in the Lab, Counting Bits, Naughty and Balls, Subarray Xor, Queen and Stable Relationships, Coprime Pairs, Sherlock and Inversions, Chef and Remissness, Chef and Kingship, Chef of The Ancient, Sweets Problem, Dynamic Trees and Queries, Cross the Maze, Game of Divisors, ABC-Strings, Sereja and ASum, Chef and Graph Queries, Final Battle, Sereja and D, Sereja and Arrays, Easy Tiling, Chef-jumping, Alok-nath and His Sanskars, Permuted Array Problem, Dividing Stamps, Divide the Tangerine, Substrings and Repetitions, How many sequences, Nice SubSegments, Chef and Reversing, Chef and Ground, Sereja and Subsegment Increasings, Chef and Chain, Chef and Digit Jumps, Chef and Rainbow Array, Sereja and Bubble Sort, Chef and Rainbow Array - 2, Chef and Strange Matrix, Chef and Subarray, Sereja and Arcs, Chef and Bracket-Pairs, Shortest Path in Binary Trees, Chef and Swaps, Chef and Left-Right, CLOCK, Chef and Square, Divide the Cake, Ups and Downs, Tree Game, Stone, Two Companies, Count Substrings, Count Permutations, Count Substrings, Guessing Game, Divisible Subset, The Leaking Robot, Lucky Game, Approximately II, Brand New Game, Forgot Password, Maximizing Marks, Game of Numbers, Counting Flags, Knapsack Problem, Idols and Fans, Sherlock and the Grid, Coprime Triples, The Smallest Pair, Dynamic Inversion, Subarray GCD, Subarray LCM, Chef and sequence, Fibonacci Numbers on Tree, Push the Flow!, Earthquake, And Operation, Lowest Common Ancestor, Simple Editor, Rectangle Query, Cleaning Tables, Copy-Paste, Sum Queries, Tree Again, Chef and Gift, Friends, Chef and Array, Fun with Rotation, Flooring, Divide or die, Wall, Iron Islands, Dragonstone, 2048, A wolf, a sheep and cabbage, Deja Vu, Count Digits, Chef and Strange Formula, Tanu and Head-bob, XOR Operation on Numbers, Convert the Expression, Servers, Jam, Chef And Fibonacci Array, Sereja and Order, Sereja and Game 2, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus, Chef and easy problem, Chef and easy problem 2, Chef and medium problem , Chef and medium problem 2, ICPC Pre-Prelims Practice Round, Bye, inversions!, Cyclic Prefix, Steady tables, Solving the Practice Contest, The Dirty Path, Distinct Characters Subsequence, Chef and Red Black Tree, Chef and A Large Permutation, Chef and Notebooks, The Army, Walk on the Axis, A Simple Sum, XOR with Subset, Substring and five rules, Physics Class, Logging in the computer, The Problem Set, Launch Tower, Let us construct palindrome, Chef and a great voluntary Program, Chef and Churu, Matrix Again, Player, Course Selection, Ground Stations, Chef and Strings, Mangalyaan-2, Supercomputer, Mahesh and his lost array, Sereja and Salesman, Three elements, Chef and Apple Trees, Cascading Style Sheets, Sereja and GCD, Sereja and LCM, Covering Sets, Lost Graph, Brackets, Cool Dude Laxman, Chef and Keyboard, Chef and Problems, Chef and Stones, Good galaxy, Zombinatorial, Parenthesis with Maximum Sum Subarray, Special Shortest Walk, The Chef and the Triangles, Cultural Programme, Charlie and Prime Numbers, Ramanujan and Numbers, Billiards, Sereja and Two Lines, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Delivery Man, Queries On Tree, String Matching, Bread, Ranka, Random Number Generator, Drawing Contest, Sequence Containment, Kings Dinner, Interview Scheduling, Robot Movement, Good Joke!, BlindDate Contest, Tour Planning, Pilgrimage, Irrigating Farms, Finding Exponent, Fit Squares in Triangle, Piece of cake, Vogon Zoo, Dhonis Bowlers, Hugphile Order, Matryoshka Dolls, Jersey Number, Gabba sprint, Gcd Queries, Suraj goes shopping, Tojo hates probabilities, Anup at Amrithapuri, Random Rudreshwar, Sign Wave, Let us play with rank list, Digits in Factorial, Xor Matrix, Find Distance, Lights and Switches, Abhijeet and rectangles, Chef and Equality, Little Chef and the King, Equilibrium number, Factorization, Let us play with even and odd numbers, Long Drive, Chef and Pattern, Chef and Interview, Cricket Tournament, Representative Selection, Lucky Four, Message Passing, The First Cube, Broken Telephone, Median, Inversion sorting, Robot and Paths, Big Queries, Matrix, Counting on a Tree, Devu and binary String, A game on a graph, The Riddle, Library and Headcount, Hacking the Random Generator, Pair of Numbers, Interstellar, Andrash and Stipendium, Fibonacci, Virat and his challenge, Way Out, Colours, Chef and Prime Divisors, Exam, Chef and His Garden, Little Party, Chef and Polygons, YJump, Set Difference , Black-white Board Game, How to Minimize a String, Chef and new recipe, Chef and Balanced Strings, ATM, Minimum Transaction, Devus and their voting system, Common Strings, Palindromeness, Chef and Cake, Flip Flops, REVERSE, Chef Anup, Taxi Driver, Version Control System, CHEF AND AUCTION, Prime Palindrome Sum, Euler Totient Function Extended, Tickets, Chef and Friends, Snow Leopard and sum of primes, Bank and vulnerable passwords, Clarke and Australian Cricket Team, Counting Primes, Math Bond, Strange Race, Expected Value, Another Fibonacci, Laboratories, Ankit, Srijan and a game of stone piles, King test to his sons, Accommodating tribal clans, Securing Florence, Save the kids, Gravity Guy, Unlock Secrets or Leonardo, Teaching binary to a child, Finding Identity Integers, Zeroes, Chef and String, Mix Sorting, Find Missing Number, Spiral Form, Na2a and lucky stone, Chef and Cube, Kazi And The Contest, Rohith and Circles, Devu and Grapes, Devu and Manhattan Distance, Chef And Hungry Birds, Add Two Numbers, Find Remainder, First and Last Digit, Smallest Numbers of Notes, Sum of Digits, Reverse The Number, Helping Chef, Total Expenses, Id and Ship, Valid Triangles, Gregorian Calendar, Ingredients, GCD and LCM, Second Largest, Small Factorial, Nikhil and Commands, Arush Challenge, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Chain of Doughnuts, Chef and Dolls, Chef and his Sequence, Merge Sort, Nikitosh and xor, Number of Ways , Devu and friendship testing, Rupsa and the Game, Entrance Exam, Make XOR zero, Train Partner, Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Cooking Machine, Time measure, Devu and his mouse Jerry, Divisibility by 9, Palindromic Queries, Chef and Trees, Chef and Table Tennis, Churu and Balls, Count Subarrays, Count Steps in Matrix, Strange operations, Easy exam, Chef and Bitwise OR Operation, Chef and Two Strings, Greedy puppy, Puppy and game, Chef and Sets, New City, Race Time!, Chef and Path, Chef and Segments, The Confused Weighing Machine, Puppy and cats, Who dares to be a millionaire, Chef and Super Array, Chef and Rectangle Array, Receipt Recovery, Forgotten Language, Cracking the Code, Chef and collection of stamps, Friends Meeting, Spheres, Chef and the stones, Chef and the XORed Number , Churu and lost string, Weird Sum, Eugene and function, Chef and the Wildcard Matching, Capital Movement, Make Palindrome, Rupsa and Equilateral Triangle, Easy Queries, Misha and Gym, Sum of palindromic numbers, Yet Another Problem About Sequences, The Gift Of Raksha Bandhan, EASY SORTING, Lanku and mysterious country, Chef And Operators, Jump mission, Simple Sum, Stacks, Asteroids, Cyclist Race, Plane Division, Chef and cakes, Decompose the Tree, Creepy Bob, Oracle Devu and Longest Common Subsequence, Alternating Colored Paths, Mahasena, Poker Chips, Palindrome Pairs, Factorial to Square, Word Stem, Rotating Arrays, Almost Sorted Permutation, Devasena, Bhallaladeva, Finding Hardest Sum Value, Just Update and Print the array, Chef-Detective, (Challenge) Chef and Palindromes, Processing a string, Chef and Array and K, Exam results, Chef and Tetris, Matrix Maximum Sum, MST, Chef And A Complete Graph, Finding sum, Mutated Minions, Line Intersections, Computer Network, Ancient Berland Roads, Trip and Palindromes, Chef and Destruction, Matched Brackets, Wormholes, Video Game, Distinct Codes, Black And White Cells, Palindromic substrings, Sereja and Line, Sereja and Tree 2, Product on Tree, Grid Game, Chef and Sign Sequences, Sereja and Permutations, Chef and Cycled Cycles, Magical Strings, String Swap, Count Binary Strings, The Christmas Gift, Jalebi Bai and Decks of Sweets, Chef and Pick Digit, Chef and Time Machine, The Parenthesis Tree, The making of a cake, Samosa Bhai and his Courier Company, Chef and Subarrays, Chef and Queries, The Christmas Cookies, DP - Ways to write word, MATHS - find sum, The Revenge of Jalebi Bai, Wait for it, Save The Trees, Call Center Schedule, Devu and Perfume, git, Circles and Squares, Jump on Buildings, Cat and Mouse, Similar Strings, Chota Mouse and his birthday cake, Longest Palindrome, COINS, Exponential Sub-Palindromes, Longest Common Subsequence, Chef And Binary Operation, Bubble Swap Count, Chef and Fruits, Help Watson Escape, Swapnil And Shibly Again , Gaint and Sifat, Euler Circuit , Traffic Count, Social Network, Printer Machine, Guitar Fret Note, Malvika conducts a Programming Camp, Malvika and Animesh play Red-Blue cards Game, Malvika is peculiar about color of balloons, Malvika conducts her own ACM-ICPC contest series, Animesh does not gift Malvika on her birthday, Crazy Malvika discovers Crazy Fibonacci function, Monika And Song, College And Gift, Radix Sort, Super Hashing, Binary Strings, The Return of Palindrome, Chef and digits of a number, Not even planar, Strange Functions, Alternating subarray prefix, Lukasfilm, COC battle, Theater shade in Berland , Largest Number, Simple Search, Faded Palindromes, Chef and Socks, Chef and math, Chef And Special Dishes, Puppy and Board, University Meeting, Chef and Balls, Chef and Coins Game, Chef and Three Dogs, Puppy and Sum, Chef and Chocolate, Chef and Ballons, Chef and cities, Rain Water trapping, The Inversions, Forest Gathering, Two Closest, Arrays Sum, Simple Statistics, Get AC in one go, Asya & Beautiful Strings, Asya & Coloring, Ada and crayons, String Queries, Good Roads, Total Palindromic Numbers, The Mortal Instruments, Beautiful Function, Devu and good strings, Fire and Ice, Mr Thakkar want to go dream land, Chef And Magical Path, Minion Rush, Dragon Warrior, Counting Zeroes, The Closest Vertex, Profit Maximization, Ramesh And Suresh, Rubiks cuboid, Array Game, MinConcats, Intersections, Golu and url shortner , chess, In and Out, Cyclothon, Cab Service, Chef And Coloring, Maximum K Sums, Decode, Mr Perfectionist, Mr Swegwan and Arrays, Help with selection, Multiuser Environments, Shopping, Help with distances, Probability, Vasya and Little Bear, Vivek and Sum Queries, Movie Weekend, Odd Divisors, Queries on a Binary Tree, Polygon, FIZZ BUZZ, Optimal Shopping II, Cooking Schedule, Tree Cake, Large factorials, Eugene and big number, The Bracket Problem, Chef and Round Run, Cats and Dogs, Chef and Big Soccer, Laddu, Gargi and Strings, Pay the Debts, BookWorm, Coins And Triangle, Akhil Recovers The Lost Array, Very Simple Question Returns, Akhil And Colored Balls, Akhil And Pending Homework, Chef and special numbers, Tandem, Maze, Devu and an Array, Cycle Race, Evaluate the polynomial, Segment Tree, Funny gnomes, Kitchen Timetable, Better Maximal Sum, Floor Division Game, Very Simple Question- The Quadruple, Sticks, Right Triangle, Chef and Robots Competition, Art, Longest Increasing Subsequences, Chef and Sad Pairs, Robot Walk, Sharing Candies, Fair Pairing, N different palindromes, Cutting Cake, Chefland and Electricity, Xortest Path, Equalize, Beautiful Sandwich, Dividing into Regions, Collisions, One more weird game, Square in numbers, Chef Land, Range Minimum Queries , Chef and Mover, Travelling in a tree, Coloring A Tree, Good Numbers, Love among People, Counting Games, Chef and Guard Towers, Weird Queries, Chef and Proportion, Chef and Numbers, Chef and Land, Chef and Array, Chef and squares, Theatre Square, Building Permutation, A Good Problem, Tweedle-Dee and Tweedle-Dum , Pattern Craft, Sums, 3 Divisible Subsets, Chef and calculation, Will and Closed Set, Drumpf for President!, Lumpy - The Bus Driver, Kaps and his wife, Print It, If - Else Problem, Nearest to Me, Studying Alphabet, Short in Average, Lock-Free Stack, Xor Grid, Matrix Transformation, Pascal Triangle, Sorting Tool, Second Year Pains, Completing favorite game, Take Turns, Kth Max Subarray, Sahil The Anime Lover, JARVIS and LCP , Mahasena , Joker and Batman, A friends game, Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Write a program to reverse an array or string, Chef and Inequality, Chef and Words, Zack And The Handkerchieves, Find The Factos, The Necklace, Weird Spider, Chef and Bike, Ash and Pikachu, Diagon Alley, Persistent oak, Number Pyramid, School distance, Coldplay Concert, The Crofts Game, Hikaru, Touya and Waya, Tree Palindromes, Batman v Superman, SMS Dictionary, Find The Digits, Number Lock, Pattern, Nami to the rescue, The Reverse Game, Time Conversion, Pattern Again , Prime Numbers, Fun With Numbers, Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Chef And Clothes, Candy Game, Chef and midsems, Chef and Frequencies, Chef and Cards, Mansi and Her Student, Chef and Roads, Suresh and Game, Minimum Cost Walk, Luther and Palindromes, ChefWatson uses Social Network, FastFood Combos, Another maths problem, Task for Alexey, Colorfulness of the squares, Infinitity, Missing Digits, Changing String, Help Lost Robot!, Beautiful Arrays, Watson and Digit Sums, Colorful Grids, Robolympic Batons, Counting Lights, Query On Strings, Query On Arrays, Download file, To add or to multiply game, Fusing Weapons , Hill Jumping, Mr P and his Friend, Egg Problem, Wow, Number Theory, LOST NAMES, Kirito in labyrinth, Subway Lines, Sebi and the highway, Proper Divisors, Chef and Image Processing, large fibonacci, Test the Year, Roses for Alexey, Pattern Problem, Sebi and the corrupt goverment, Matrix Multiplication, Fibonacci, Remove Duplicates, Fluffy and Scoreboard, Fluffy and Typing Password, Fluffy has a Robot, Tree Height, Maximum Xor Query, Visiting Friends, Virus Attack, Evil Chris, Colorful Triangles, Chef and his Students, Chef and Square Set, Parhi And Multiplication, Chef and Subset, Chef and Subarrays, Chef and Queries, Chef and Numbers, Timestamps, Sweet Shops of Kolkata, Optimal Partition, Coal Mafia and Toll Tax, Bus Routes, Cookie Flavors, Mancunian and Sonu Generate Strings, Mancunian Candidate Master Forever, Birthday Pizza Party, Moving Clams, ACM ICPC World Finals Accommodation, Voting Fraud, Alice and Bob play Contact, The Saviours, Special Cracker, Apaji Swings, A Historic Discussion, Influence on Social media, ATM queue, Notes and GPS Chips, Black Money Island, Netcoin Verification, Hawala Arrests, Mancunian Hoards Black Money, Bob vs ATM, Playing World War II, Extreme Encoding, Men and Horses, Divide Me Please, Precious Stones, Optimal use of Nuclear Power plant , Mr Wireless, Pinocchio, Sum the Alphabets, Optimal BST Revisited, Quentin Tarantino, Superheroes and villains, Forming Teams Again, Robbery 101, Maximizing Minimum Distance, Jumping Frogs III, Employee Voice Surveys, WiFi Expenses, Road Maintenance, Pacman, Fly height mode, MST Queries, Subtree swapping, Reservior, Rabbits and Carrots, Miss Spaghetti and her weird queries, Nothing in Common, Game of Friends, Mindfire & its Employees, Friend-zoned Parhi , Improve the Permutation, Pattern, Pari and String, Digit Longest Increasing Subsequences 2, Sum of distances, Captain Virat and His Strategy!, Chef and His Apartment Dues, Most Frequent Element, Path Triples On Tree, Cisco and Magical array, Multiverse Queries, Flash the Saviour, Xenny and Alternating Tasks, Cooking Game, Pishty and birthday, Bear and House Queries, Next Permutation, Bear and Extra Number, Bear and Milky Cookies, Names of Places, Hidden Message, Visitors to Chefland, (CH) Bear and Sorted Rows, Bandwidth of a matrix, Bear and Oveflow Points, Count Strings, Box Distribution, Number Tower, Maximum of Three Numbers, Second Max of Three Numbers, Chef and Array, Chef and Ola Cab, Chef and Palindrome, Logan and his XOR debacle, Hogathon, Easy One-Electricity Bill, Rainbow Graph, Yet Another Card Game, Golu and Sweetness, Safe Robot, Sorting Problem, Logan and DIGIT IMMUNE numbers, Bear and Ladder, Cards Game, Watermelon Farmer, Chef and Prime Queries, Stable market, Pishty and tree, Dish Of Life, Bear and Row 01, Similar Dishes, Freshers Party, Legend of Zelda, The Birthday Tears, The Legend, Friend Decryption, Beautiful Smriti, Rhett and Link, Bear and Xor of Sums, Bear and Shop Trip, Bear and Candies 123, Bear and AB, Captain and his Shield , Factorial Problem, Flash vs QuickSilver, Mayank and Line Segments, Minimizing the dot product, Bear and Segments, Joey and food, Bear and Segment 01, Gotham PD, Chef and his daily routine, Courses in an university, Painting Tree, A Good Set, Cloning, Chef and the Feast, Triplets, Snake Procession, Protecting The Poison, Chef got Recipes, Temple Land, La Liga, Hussain Set, Nasty Queries, Prefix Inversions, Post Tree, SubInversing, Teleports, A temple of Snakes, A Game of Balls, Is It a Snake, Sticks, Knight Covering, SnackUp, Centeroid, Snakes capturing the Mongoose Cities, Snakes, Mongooses and the Ultimate Election, Snakes and transition from Capitalism to Socialism, Waiting in a Queue, Snakes and Graph, Four Points, Chef and Pairs, Mex division, Robots in a DAG, Black Nodes in Subgraphs, Pairwise union of sets, Harry and magical number, Maximum Unique Segment, Two Numbers, Company and Club Hierarchies, Chang and Bitwise OR, Chang and Perfect Quadruples, Chef and his string challenge, Maximize Grid Score, Hit the Coconuts, Chef and Isomorphic Array, Whats in the Name, Calculator , IPC Trainers, Two Coins, Suhana and Matrix World, Girls and Historical Similarity of Strings, Walks on the binary tree, Bipartite Graph from Trees, Boss and his Brother, At The End, Minimum Good Permutation, Chef and his device, Find the Maximum Value, Good Pairs, Divide the Set, Jon Snow vs White Walkers, Palindromic Game, Greedy Candidates, Strings and Graphs, Sum of Cubes, Querying on a Grid, Shooting on the array, Weasel finds Staircase, Mathison and the Dynamo shuffle, Longest increasing subsequence , Prime Vs Composite, Difference array, Fill The Matrix, Game on Stick, Real obtuse, From heaven to earth, Mathison and pangrams, Max Mex, Weird Competition, Yet Another Sorting Tool, Queens Landing, Little Chef and Sums, Counter Test For CHEFSUM, Chef Hates Palindromes, Fast Exponentiation, Infinite OR Game, Subsequence Equality, A Balanced Contest, Maya and her love, Chef and Dice, Chef and Cook-Off Contests, Total Diamonds, Polynomials, The Subarray Problem, (Challenge) Connecting computers, New Game, Raja and Peer Pressure, Singular prime problem, Game of Factors, Modular GCD, Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries, Chef goes Left Right Left, Buggy Calculator, Minimum SubArray, LOGICAL Pattern, Rick, Morty and the Grid, Periodic Palindrome Construction, Ordering teams, Villages and Tribes, A tale of two trees, Days in Month, Strange Function, Killing Monsters, J - Reached Safely Or Not, C - Club of Riders, E - Password Riddle, Organize The Wallet, Prime Factorisation, Bridge Crossing, K Fibonnaci, B - Get The Gold, F - Huge Number of Trees, Chef and Deforestation, A - Appearance Count, Skiing, Chef and XOR Queries, Random Pair, D - Triangle Count, Smart Strategy, Shuffling, Vertex Cover, Chef And his Cake, Lucas Theorem, Method Resolution Order, Area of an amazing figure, Obtain Desired Expected Value, Queries on tree again, Penalty Shoot-out, Rotate Point, Chef Counts Semi-BSTs, The Prestige, Spanning Tree, Chess knight move, Codie Bird, Chef and Hamming Distance of arrays, Chef And Land Labeling, Good and Bad Persons, Minimize the string, Chef and Triangles, SAD Queries, Uniform Strings, Simplify the Square Root, Taxi Making Sharp Turns, Spam Classification Using Neural Net, Non Overlapping Segments, Pishty and Triangles, Generating A Permutation, Optimize The Slow Code, Number Game, Coupon System, Proprietary Probabilistic Problem, Reverse the Number, A Simple Polygon, Quadratic Functions, Far Graphs, A Tale of Three Squares, A Tale of Two Right Angled Triangles, Football Match, Large Sum, Longest Races, Magic Board, Drunk Man in Large City, Crypto Trading, Coder Life Matters, Poetic word, K-Concatenation, Maximum Score, Chef Cuts Tree, Rectangle, String Merging, Partition Count, Minimum Maximum Partition, Hello World, Caesar cipher, Horse racing, Tom and his game, Barrel and password, Chef And Chocolates, Multiple of 3, Smallest To Square, Multiply the Array, Easiest Problem, Chef and Game with Sequence, Finding the matrix, N Sequence (Keteki), Max Subarray (keteki), Belal and his interesting Equation, Chef And His Characters, Chef and Average on a Tree, Chef and Function, Chef and Escaping from the Labyrinth, Chef And The Patents, Survive in ChocoLand, 4 Cycle, Chef and odd queries, Points Inside A Polygon, Campus Drive, Celebrity In Trouble, Mighty Friend, Chef and Easy Problem, Car-pal Tunnel, Cutting Plants, Chef and Gcd Queries, (Challenge) Biased Committee, Problem 3, FORM BIGGEST NUMBER, A Big Sale, Permutation and Palindrome, Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line, LOL QUERIES ON A TREE, Matrix Game, Smaller than the element, Chef and Apples, Hubby Bunny, Shreehari and Runtime error, Maximum Tree Path, The Legendry Coin Change Problem, Euclid in Manhattan, Feedback for Pragyan, Prefix borders, Game with numbers, Jumping in the hills, Series Sum, 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Podium Finish, Minimum Pizzas, Binary Substituition, Building Race, Single Operation Part 1, Single Operation Part 2, Tax in Chefland, 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, Distinct Neighbours , Count Partitions , One-XOR Deletions, Packing Books, Tasty Decisions, Avoid Squares Please, Maximum Angriness, Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Parity, Candies, Binod, Gormint Aunty, Distinct Colors, Water Consumption, Hackerman, Split and Maximize, Spliting Balls, Alice and the Array, Time Complexity, Water Mixing, String Game, Good Binary Strings, Palindrome by Splitting, Akash and Dinner, Just Like Mob!, Binary Battles, Squats, Monopoly in Chefland, Musical Rods, 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, Longest Subarray, Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Pet Store, X AND Y Tree, Two Counters, Prime Reversal, Frequency Array Retrieval, Flip the Prefix, Instagram, Facebook, Snapchat, Asymmetric Swaps, Perfect Trio, Maximizing LCS, Indivisible, Apples and oranges, N Triplets, Good Arrangement, Sum it, Consecutive Xor, Chef Plays Ludo, Multivitamin Tablets, Hamiltonian Tree, Lucky Numbers, Append for OR, Elevators, Mana Points, Maximum of GCDs, Minimize the Maximum, Far from origin, Battery Health, Redistributing Chocolates, Overspeeding Fine, Lcm hates Gcd, Read Pages, Odd Even Binary String, Equal Hamming Distance, Prefix Ones, Three Powers of Two, Two Ranges, Saving Taxes, Profit Increment, Make Array Odd, Zero String, 400M Race, Not Divisible, Bi_lindrome!, Minimum Beauty , Netflix, Tekken, Tom and Jerry Chase, Codechef Airlines, Concat Palindrome, MinAdd, Bitwise Equation, Valid Expression, Passing Marks, Candy Store, Good Turn, Solve More Problems!, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing, Permutation Subsequence, Prefix Permutation, Eat Rock!, Matrix Pain, Just One More Episode, Single-use Attack, Running Comparison, Equal Elements, Beautiful Strings, Make Them Alike, Divide Pages, Maximum Capacity, Sunny Day, Fallacy of Wasseypur, Reach Home, Difference Matrix, MIN To MAX, Candy Division, Chef Eren, Budget of Technex, Order by XOR, Couple Game, Max count of 1, Chef and Donation, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold, Beautiful Branch, Crazy Bishops on Chessboard, Four Tickets, Buy Ten Packets, Efficient PAN Linking, Return the Change, Inside The Stadium, IPL Ticket Rush, Can Chef , Least Size, Minimum Operation, String Game , Prefix Max, Maximum And Or, Cricket Match, Unstable Subarray, Chef and Battery , Largest Y, CodeChef Learn Problem Solving, Maximise Score, Existence, Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, Parliament, DDMM or MMDD, Masterchef finals, Online or Offline, Largest and Second Largest, Finding Sum, Learning SQL, AP Free Sequences, Printing Binary Array, Favourite Numbers, Anti Palindrome, Rectangular Tiling, Dividing into Groups, Chef and Polygons, 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, 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, Swap the numbers, Bells of Pilgrimage, AB Difference, Airport Management, Ball Distribution, 2000, Segment Three, Two Piles, Card Swipe, Endless Appetizers, Puzzle Hunt, Exclusion-Inclusion, All New CodeChef, I Can Use Both Hands!, GCD Discount, Lucky Seven, Slow Start, Air Quality Index, Chocolate Distribution, Concussive Sequence, Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef, Off By One, Light The Bulb, Selling Insurance, Chef and Stocks, Fan Poll, Chef Fantasy 11, Sunday Brunch, October Marathon, Dice Number, Maximise Sum, Pizza Cutting, Double Rent, GCD and LCM, Bone Appetit, Dracula Eats, Take it Easy, Dull Operation, Wishcraft, Survival Time, Palindromic Prime Numbers, Pending Assignments, Clear Day, Cricket World Cup Qualifier, Worth of a Video, Water Park, Exams, 404 Not Found, Food Costs, Fair Share Settlement, 3 Logicians Walk into a Bar, Max Nutrition, Make N Zero, Thala For A Reason, Subtraction Sequence I, Greedy LIS Algorithm, Christmas Greetings, Decorating Christmas Tree, Codechef Round, Hattrick, Not Prime Permutation, Roads and Flights, Xorry 2, Xorry 1, Cookie Day, Sub or Swp, Split And Maximize, Escape, Room Allocation, 50-50 Rule
Contests (0):
None
Learning Paths (0):
None
Practice Paths (64):
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, Password
Arrays:
Compress the Video, Find maximum in an Array, Take discount or Not, Snapchat, Cost of Groceries, The Squid Game, MIN To MAX, Bomb the base, Running Comparison, Red Light, Green Light, Largest and Second Largest, Kitchen Timetable, CodeChef Streak, Difficulty Rating Order, Candies, Workers, Count of Maximum, Cops and the Thief Devu
Basic Math:
Test Averages, Fitness, 7 Rings, Second Max of Three Numbers, Chef and Chocolates, Make AP, Integers that sum to the same value, Find Remainder, Candy Store, Minimum Number of Ones, Scalene Triangle, Sum of Digits, 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)
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Problems Tested (0)
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Editorials Contributed (0)
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