Ma Mengqi
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- List of teams by Ma Mengqi
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Practice Problems (3413):
Practice:
Prime Generator, Transform the Expression, The Next Palindrome, Factorial, Small factorials, Pouring water, Play on Words, Marbles, Cutting off Squares, Relevant Phrases of Annihilation, Ordering the Soldiers, Stable Marriage Problem, The Turing Music Box, The Game of Crosses & Crosses, Poker, Mixtures, Bytelandian gold coins, Ambiguous Permutations, Enormous Input Test, Longest Common Subsequence, Sums in a Triangle, Simple Sorting, Not a Triangle, GCD2, ATM, The Rise and Fall of Power, Packing the Boxes, Johnny and the Beanstalk, Paying up, Product of divisors, Battleship V, Place the mines!, Life, the Universe, and Everything, A Very Easy Problem!, Paying up, Johnny and the Beanstalk, An interesting subsequence, The Lucky Draw, Primes in the GCD table, Quadratic Equations, The White Knight, A Bowling Game, Crystals, Sum of numbers, Prime Palindromes, The Lead Game, Permutation Cycles, Best Sums, Discrepancies in the Voters List, Fact-o-real, Congruent triangles, Forces in the crystal, Modulo, The LCS Problem Revisited, The Best Box, Palindromic Numbers, Stone Game, Anagram, Palindromic Subsequences, K-important Strings, Carry, The Next Prime, Edit Distance, Array Transform, Genetics, The Black and White Knights, Robot Game, Yet Another Number Game, Flipping Coins, Multiples of 3, Squirrel and chestnut, Gravel, Reduce string, Adding Least Common Multiples, Ripple-Carry Adder, Randomly Testing Circuits, Backup Functions, Count palindromes, Fetching Cooking Tools, Baking Cupcakes, Cleaning Up, A Simple Equation, Product of Digits, The Perfect Chocolate Candy, Birthday Candles, Cooling Pies, The Hungry Bear, Byteknights and Byteknaves, Bonus, A New Number System, A String Game, Chess Pushing Game, Flu Shot Lineup, Choosing Cook Off Problems, N Knights Problem, One Dimensional Game of Life, Dinner Party Socializing, Cutting Recipes, Number Game Revisited, Splitting Giant Subs, Ski Resort, Newspaper Puzzle, Preparing Dishes, Pairing Chefs, Count Relations, Coloring Colorable Graphs, Pruning Trees, Holes in the text, Time of collisions, Integer Sequences, Three Way Communications, The Route, The Key, The Mother-ship, Money Transformation, Palindrome Palindrome, Rectangles Counting, The Great Wall of Byteland, Cipher Text, Parade, A Prime Conjecture, Sum Divides Product, Chef Teams, Jump it up, Popular Rice Recipe, Billboards, Socializing Game around Pizza, Packing the Golden Triangles, Large Kitchen, Correctness of Knight Move, Most Popular Friend, Misinterpretation, Longest Weird Subsequence, Vote for the Noodle Soup, Complex Spanning Tree, Open the Dragon Scroll, Counting Hexagons, Angry Chef - Crispy Chips, Collect the Chocolate Chips, Robot Movings, Repeated String, Chefs new Pet, Polynomial Partition Function, Last Digit Sum, Digit Rotation, Target Practice, Yet Another Sequence, Hotel Bytelandia, Evil Book, Across the River, Divisor Sum, First non-Palindrome, Chef Travel Routes, Sum of Factors, Calendar, Mr and Mrs Ant, Moving Coins, Subanagrams, Lucky Number, Houses and Restaurants, Restore the Recipe, Ciel and A-B Problem, Lucky Long, Card Shuffle, Find a Subsequence, Favourite Numbers, Free Shuttle Service, Flight Distance, Makx Sum, Word Couting, Home Delivery, Count of Maximum, Spoon in Matrix, Fit to Play, Daily Train, Little Elephant and Product, Xor it, Combination Generator, Algorithm Challenge, Little Elephant and Order, Magic Trick, Change of base, Divisor Summation, Is it a tree, Double Strings, Jewels and Stones, Ciel Numbers II, Find a special connected block, Substrings on a Tree, Little Elephant and Balance, Little Elephant and Strings, Stacking Pancakes, Lucky lucky number, PrimePlusPlus, Greatest Dumpling Fight, Selling Tickets, Divisible Pairs, String encryption, Little Elephant and Alcohol, Little Elephant and Magic, Little Elephant and Candies, Andrew and the Birthday, Little Elephant and Mouses, Little Elephant and Painting, Little Elephant and Colored Coins, Top Batsmen, Remember the recipe, Lights, PRIME, Resistance, Little Elephant and Bamboo, Little Elephant and Boxes, A Home for Chef, Little Elephant and Exams, Kisses & Hugs, Remy paints the fence, Little Elephant and Bombs, Little Elephant and Lemonade, My Fair Coins, Gift Rift, Arranging Cup-cakes, Event Organizer, Music & Lyrics, Equivalent Suffix Tries, Closing the Tweets, Prime Permutations, Connecting Soldiers, Golden Trees, Alien Chefs, Matchsticks, Range of Data, Delivery Boy, Racing Horses, Ciel and Receipt, Ciel and Map, Ciel and Tomya, Guess the Middle, A Game of Thrones, Knight Moving, ChefTown Parade, Annual Parade, Three is Crowd, Codechef Password Recovery, Doors, Find the Goalkeeper, The New Scheme, Chef Game, Candy Collecting Game, Recipe Reconstruction, Carvans, Coal Scam, Buy1-Get1, Tourist Translations, Different Trips, N Queens, Little Elephant and Permutations, Buying Sweets, Tennis Tournament, Tree Fun, Little Elephant and Divisors, Rat Maze, The Minimum Number Of Moves, Pizza Delivery, Barcelona Gameplay Tactics, End Of The World, Presti Digitator, Triangular Queries, Tree Counting, Subset Sum, Expected Greatest Common Divisor, Root of the Problem, Packaging Cupcakes, Lucy and the Flowers, Chef of the Year, Climbing Stairs, ChefGame, Count the Words, Observing the Tree, Approximately, Queries on tree again!, Word Play, Minimum Distance, Many Chefs, Three Different Numbers, Final Battle of Chef, Gandalf vs the Balrog, Saruman of Many Colours, The Mirror of Galadriel, Dyslexic Gollum, Merciless Chef, Snape and Ladder, Physics, Find Minimum Distance, The Ball And Cups, Palindrome, Traveling Plan, Hello Hello, Prime or not, Fire Escape Routes, Lack of Logic, Electricity Cutoff, Hotel Balifornia 2, Almost Prime, Helping Lira, String Query, TicTacToe, Superpowers of 2, String Power, ZooZooland Water Shortage, Juno Puzzle for May, Name Reduction, Your Name is Mine, Save The Princess, 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, The Probability Of Winning, Lapindromes, Cool Guys, XOR Sum, Subtraction Game 1, Chef and Walking on the rectangle , Chef and Segments, Counting The Important Pairs, Maxim and Dividers, Maxim and Progressions, Sereja and Game, Attic Crossing, Online Shopping, Number of Factors, Sereja and Sorting, Sereja and Graph, Prime Distance On Tree, Crocodile, Chef and Integers , Gangsters of Treeland, Tasty Dishes, Splitting Candies, Paying optimally, CAO Stage-3, Sorting, To Queue or not to Queue, Entangled Strings, 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, Game, Tree, Sereja and Vectors, Polo the Penguin and the Lucky String, Big Number, Game Of Thrones, Polo the Penguin and the Test, Queries With Points, Polo the Penguin and the XOR, Cube Cakes, Uncle Johny, The K-th Path, Square Digit Squares, Substring Problem, Missing some chairs, Chef and Codes, Girl Friend and String Gift, Black and White Tree, Polo the Penguin and the Tree, Lucy and the Number Game, Lucy and the Math Analysis, Statues, Cardinality, Lucy and Palindromes, Exponential Game, Chefs in Queue, Petya and Sequence, ForbiddenSum, ATM, Help Ragetti, Valley of Death, Rescue Jack Sparrow, Number Mirror, Am I a Fibonacci Number, Lowest Sum, Trees and Subtrees, Rank of the Number, Funny Marbles, Magic Pairs, Reign, Rectangular Queries, Chef and Substrings, Meteor, Chef and Favourite Sequence, Perfect Subarrays, Mike and Task Packages, Reign 2, Mike and Matrices , Hard Disk, Walking Path, Rich Rhyme, Family of Recurrences, Chocolate Division, Merging Files, Changing Money, Multi-Peg Tower of Hanoi, Bon Appetit, Please like me, Chef and Girlfriend, Chef and Feedback, Count on a Treap, Team Split, Election Campaign, Olympic Village, Stairway Reduction, Building Township, Ant Colony, Message Coding, Sequence Alignment, Longest Common Pattern, Little Elephant and Subarrays, Farmer Feb, Chef and the Cake I, Chef and Functions, Chef and Shop, Chef and String, Spec Ops, GCD Sum, Chef and Numbers, Cards, bags and coins, Subtraction Game, Interrogating Gangsters, Compilers and parsers, Chef and Way, Walk, Maximum number, GCD condition, The Street , Little Chef and Numbers, Atoms in the Lab, Counting Bits, Durins Day, Drunk Game, Queen and Stable Relationships, Coprime Pairs, Entangled Circles, Lalith Dosa, Sherlock and Inversions, Missing Number, Chef and Remissness, Chef and Kingship, Cross the Maze, Game of Divisors, ABC-Strings, XOR Minimization, 3-Palindromes, Sereja and ASum, Chef and Graph Queries, Final Battle, Sereja and Arrays, Easy Tiling, Really Easy Tiling, Chef-jumping, Little Elephant and T-Shirts, Permuted Array Problem, Dividing Stamps, Divide the Tangerine, Book Game with Chef, How many sequences, Nice SubSegments, A Game With a Sheet of Paper, Chef and Reversing, Chef and Frogs, Chef and Ground, Chef and Chain, Chef and Segment Game, Chef and Digit Jumps, Chef and Tree Game, Chef and Rainbow Array, Sereja and Bubble Sort, Sereja and Equality, 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 Left-Right, Chef and Square, Divide the Cake, Ups and Downs, Tree Game, Stone, Two Companies, Count Substrings, Count Permutations, Count Substrings, Team Sigma and Fibonacci, Reach The Point, Dish Owner, Divisible Subset, The Leaking Robot, Approximately II, Addition and Multiplication, Forgot Password, Maximizing Marks, Rectangles, Game of Numbers, Time to Study Graphs with Chef, Counting Flags, Knapsack Problem, Painting, Sherlock and the Grid, Coprime Triples, The Smallest Pair, Subarray GCD, Subarray LCM, Chef and sequence, Fibonacci Numbers on Tree, Earthquake, Shift The String, Simple Editor, Rectangle Query, Cleaning Tables, Copy-Paste, Sum Queries, Chef and Gift, Friends, Chef and Array, Fun with Rotation, Flooring, Dragonstone, 2048, Deja Vu, Chef and Strange Formula, Tanu and Head-bob, Convert the Expression, Servers, Jam, Chef And Fibonacci Array, Sereja and Permutations, 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, A Magical Length, Bye, inversions!, Spiderman and Jumping, Distinct Characters Subsequence, Matrix Problem, Chef and A Large Permutation, Chef and Notebooks, The Army, Walk on the Axis, The Problem Set, Launch Tower, Chef and a great voluntary Program, Chef and Churu, EXPECTED VALUE, Player, Course Selection, Chef and Strings, Mangalyaan-2, Supercomputer, Landing Platform, Sereja and Two Strings 2, Sereja and Salesman, Three elements, Chef and Apple Trees, Cascading Style Sheets, Sereja and GCD, Cracker shops, Jai Hanuman, Sereja and LCM, Covering Sets, Brackets, Petersen Graph, Sereja and GCD 2, Chef and Keyboard, Chef and Problems, Chef and Stones, Max Array, Zombinatorial, Dividing the Students, Special Shortest Walk, Charlie and Prime Numbers, Ramanujan and Numbers, Destroying Substrings, Sereja and Votes, Xor Queries, Delivery Man, Queries On Tree, String Matching, Bread, Ranka, Random Number Generator, Drawing Contest, Sequence Containment, Kings Dinner, Interview Scheduling, Good Joke!, BlindDate Contest, Tour Planning, Pilgrimage, Finding Exponent, Fit Squares in Triangle, Dhonis Bowlers, Hugphile Order, Kiwi Number, Jersey Number, Gabba sprint, Many bananas, Gcd Queries, Chef and Fibonacci, Connect The Dots, Suraj goes shopping, Tojo hates probabilities, Anup at Amrithapuri, Random Rudreshwar, Sign Wave, Let us play with rank list, Digits in Factorial, Find Distance, Abhijeet and rectangles, Chef and Equality, Devu and Locks, Little Chef and the King, Not Palindrome, Chaapu and Parcels, DOTS Player, Factorization, Let us play with even and odd numbers, Long Drive, Chef and Pattern, Chef and Interview, Representative Selection, Lucky Four, Heavy-light Decompositions, The Warehouse, Broken Telephone, Robot and Paths, Count Palindromes, Strategy for the World Cup, Counting on a Tree, Devu and binary String, The Riddle, Library and Headcount, Pair of Numbers, The Imitation Game, Interstellar, Andrash and Stipendium, Devu, his friends and birthday gifts, Chef and Prime Divisors, Chef and Inflation, Little Party, Chef and Polygons, Chef and Laptop, Set Difference , Black-white Board Game, Chef and new recipe, How to Choose a Subset, Chef and Balanced Strings, ATM, Minimum Transaction, Palindromeness, Saving a gift of love, Flip Flops, REVERSE, Chef Anup, Version Control System, CHEF AND AUCTION, Prime Palindrome Sum, Tickets, Chef and Friends, Snow Leopard and sum of primes, Bank and vulnerable passwords, Snow Leopard and his funny list of videos, Clarke and Australian Cricket Team, Counting Primes, Maximum GCD, Counting on a directed graph, Math Bond, Busy-ness, Laboratories, Ankit, Srijan and a game of stone piles, King test to his sons, Accommodating tribal clans, Securing Florence, Save the kids, Edit Distance Revisited, Unlock Secrets or Leonardo, Teaching binary to a child, Finding Identity Integers, MasterChef, Zeroes, A New Scheme, Mix Sorting, Find Missing Number, Spiral Form, Na2a and lucky stone, Chef and Cube, Password Validation, Rohith and Circles, Array Operation, Devu and Grapes, Devu and Manhattan Distance, 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, Gross Salary, Valid Triangles, Grade The Steel, Gregorian Calendar, Ingredients, GCD and LCM, Second Largest, Small Factorial, Nikhil and Commands, Superlucky Numbers, 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, Dining, Rupsa and Number army, Chefs and Voting for best friend, Train Partner, Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Bored of Nim, Cooking Machine, Time measure, Devu and his mouse Jerry, Divisibility by 9, Chef and Trees, Chef and Table Tennis, Churu and Balls, Count Subarrays, Count Steps in Matrix, Strange operations, Chef and Bitwise OR Operation, Chef and Two Strings, Greedy puppy, Lets make Byte-land Dirty, Puppy and GCD, Puppy and game, Chef and Sets, New City, Race Time!, Fun Theory, The Car Trip of Sundar, Dividing Machine, Future of draughts, Simple Queries, The Confused Weighing Machine, Puppy and cats, Code Land, 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, Spheres, Chef and the stones, Chef and the Dual Palindromes, Chef and the XORed Number , Chef and the Number Sequence, Churu and lost string, Chef and Making Triples, Chef and the Wildcard Matching, Capital Movement, Make Palindrome, Minimum Maximum, Maximum sub-array, Rupsa and Equilateral Triangle, Donald and Mickey, Easy Queries, Pattern matching, Misha and Gym, Sum of palindromic numbers, Yet Another Problem About Sequences, The Gift Of Raksha Bandhan, Super Numbers, Chef And Operators, Jump mission, Simple Sum, Stacks, Are You Lucky, LuckyLand Lottery, Cyclist Race, Plane Division, Chef and cakes, Decompose the Tree, Creepy Bob, Oracle Devu and Longest Common Subsequence, GCD on Tree, Max Subarray GCD, Mahasena, Poker Chips, Count Permutations, Palindrome Pairs, Factorial to Square, Word Stem, Bhallaladeva, Seats, Finding Hardest Sum Value, Chef-Detective, (Challenge) Chef and Palindromes, Processing a string, Weird Paths in a tree, Exam results, Matrix Maximum Sum, MST, Finding sum, Mutated Minions, Petr Contest, Jimma and Chingam, Computer Network, Ancient Berland Roads, Chef and Destruction, Matched Brackets, Wormholes, Round Table, Video Game, Distinct Codes, Query over Matrix, Black And White Cells, Palindromic substrings, Sereja and Line, Sereja and Array and Subtracting, Sereja and Pairs, Sereja and Tree 2, Grid Game, Chef and Sign Sequences, Chef and Sub Array , Sereja and Permutations, Magical Strings, Word Game, String Swap, Count Binary Strings, The Christmas Gift, Distinct Colors, Chef And Fibonacci Tree, String Swap 2 , 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, Antichains, MATHS - find sum, The Revenge of Jalebi Bai, Save The Trees, Devu and Perfume, git, Circles and Squares, 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, Fibonacci Queries, Gaint and Sifat, Euler Circuit , Social Network, Printer Machine, 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 decides to settle down, Crazy Malvika discovers Crazy Fibonacci function, Monika And Song, College And Gift, Radix Sort, Binary Strings, The Return of Palindrome, Chef and digits of a number, Mike and GP , Not even planar, Digital clock, Dual Nim, Learn Segment Tree, Alternating subarray prefix, Modified Knapsack, COC battle, Debu and Function, Optimal Reserve Price, Divisibility test, Theater shade in Berland , Largest Number, Simple Search, Faded Palindromes, Gift and Chef, Chef and Socks, Chef and Tic-Tac-Toe, maximize the sum, Flying Fish, Chef and math, Fullmetal Alchemist, Chef And Special Dishes, Tiptoe through the tulips, Puppy and Board, University Meeting, Chef and Balls, Chef and Coins Game, Chef and Three Dogs, Puppy and Sum, Chef and Chocolate, Rain Water trapping, Arjun and Fibonacci, The Inversions, Asya & Encoding, Forest Gathering, Two Closest, Arrays Sum, Simple Statistics, Get AC in one go, Asya & Beautiful Strings, Asya & Coloring, Ada and crayons, The potato problem, Simple Sum, Mr Thakkar want to go dream land, Roads in Shinjuku , Counting Zeroes, Profit Maximization, Ramesh And Suresh, Sonal And Forests, Fear of Rectangles, Supercomputers, Range Modulus, Intersections, Golu and url shortner , In and Out, Lucky Army, Cyclothon, Agent Chef, Chef And Coloring, Maximum K Sums, Mr Perfectionist, Mr Swegwan and Arrays, Help with selection, Help with string, Multiuser Environments, Help with distances, Probability, Team Tryouts, Vasya and Little Bear, Vivek and Sum Queries, Climbing Stairs, PrePre, Odd Divisors, Queries on a Binary Tree, Polygon, FIZZ BUZZ, Optimal Shopping II, Daddy and Chocolates, Shifu and Strings, Cooking Schedule, Large factorials, Eugene and big number, The Bracket Problem, Chef and Round Run, Cats and Dogs, Chef and Big Soccer, Laddu, Pay the Debts, BookWorm, Coins And Triangle, Akhil Recovers The Lost Array, Akhil And Colored Balls, Akhil And Pending Homework, Chef and special numbers, Easy Numbers, Tandem, Devu and an Array, Cycle Race, Evaluate the polynomial, Yet Another SubSegment Sum Problem, Kitchen Timetable, Better Maximal Sum, Floor Division Game, K-good Words, Sticks, Chef and Robots Competition, Art, Longest Increasing Subsequences, Chef and Sad Pairs, Robot Walk, Sharing Candies, N different palindromes, Different Neighbours, Cutting Cake, Chef and his study plans, Chefland and Electricity, LIS and LDS, Best Maximum Product, VCake, Big Search Trees, Equalize, Alliances, Chocolates for Everyone, Collisions, One more weird game, Square in numbers, Cube Towers, Jealous Numbers, Chef Land, Range Minimum Queries , Chef and Mover, Travelling in a tree, Coloring A Tree, Chef Shifu and Celebration, Good Numbers, Love among People, JosephLand, Chef and Guard Towers, Provinces of ChefLand, Rain vs City, Catch Spider-Chef, Chef and Numbers, Chef and Array, Chef and Sort, Chef and squares, Theatre Square, Building Permutation, Tweedle-Dee and Tweedle-Dum , Math Hatter, Mock Turtle, Pattern Craft, Sums, 3 Divisible Subsets, Ball Game, Chef and calculation, Will and Closed Set, Naughty Sanket, Easy Triangles, Impressive Queries, Print It, If - Else Problem, Mathematics, Studying Alphabet, Xor Grid, Matrix Transformation, Pascal Triangle, Sorting Tool, Completing favorite game, Take Turns, Kth Max Subarray, Sahil The Anime Lover, Mahasena , Joker and Batman, Raymond And Network, Asya & Happy Pokemons, Flash and Zoom, Lazy Jem, Counting Strings, Natural Factorial, Write a program to reverse an array or string, Chef and Inequality, Chef and Triangles, Chef and Words, Chef and Tree, Zack And The Handkerchieves, Find The Factos, Find The Point, Weird Spider, Ash and Pikachu, Chef and Digits, Persistent oak, Number Pyramid, Torque and edges, School distance, Coldplay Concert, The Crofts Game, Break the tree, Konkatonka, Tree Palindromes, Batman v Superman, Find The Digits, Number Lock, Maximum Number, Pattern, The Jumping Kangaroos, Prime Numbers, Fun With Numbers, Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Candy Game, Chef and midsems, Huge GCD, Luther and Brackets, Prime Digits, Luther and Employees, Chef and Cards, Mansi and Her Student, Sagar And Pens, Suresh and Game, Minimum Cost Walk, Luther and Palindromes, ChefWatson uses Social Network, Restore the Permutation, Monica and toys, Another maths problem, Bob and his problem, Task for Alexey, Infinitity, Sereja and Increasing subsequence, The Largest Bouquet, Exponential Deal, Missing Digits, Increasing Subarray, Help Lost Robot!, Watson and Digit Sums, Good Sets, Colorful Grids, Robolympic Batons, Chef and Bipartite Graphs, Counting Lights, Query On Strings, Query On Arrays, The Counties, Matching Brackets, Download file, To add or to multiply game, Hill Jumping, Hardest problem ever, Wow, Rangoli pattern, Number Theory, LOST NAMES, Run Length, Kirito in labyrinth, Sebi and the highway, Sebi and the black money, Algorithmist2 And Pheonix123, Proper Divisors, Chef and Image Processing, Test the Year, Roses for Alexey, Pattern Problem, Fibonacci, Remove Duplicates, Fluffy and Scoreboard, Fluffy and Flippy Bird, Fluffy and Typing Password, Fluffy has a Robot, Tree Height, Maximum Xor Query, Virus Attack, Or Matrix, Chef and his Students, Chef and Square Set, Chef and Balanced Polygons, Parhi And Multiplication, Bear and Three Colours, Chef and Subset, Chef and Subarrays, Chef and Queries, Chef and Numbers, Path by a Castle, Timestamps, Coal mines of Kharagpur, Optimal Partition, Coal Mafia and Toll Tax, Mancunian Candidate Master Forever, Birthday Pizza Party, ACM ICPC World Finals Accommodation, Voting Fraud, Alice and Bob play Contact, The Saviours, Special Cracker, Tim and BSTs, A Historic Discussion, Influence on Social media, ATM queue, Black Money Island, Netcoin Verification, Hawala Arrests, Mancunian Hoards Black Money, Bob vs ATM, Playing World War II, Extreme Encoding, Zeroes VII, Divide Me Please, Optimal use of Nuclear Power plant , Mr Wireless, Sum the Alphabets, Chef and Points, Quentin Tarantino, Superheroes and villains, Robbery 101, Maximizing Minimum Distance, Jumping Frogs III, Employee Voice Surveys, WiFi Expenses, Pacman, Fly height mode, MST Queries, Subtree swapping, Fantastic Four, Chef and Array (Challenge), Digits Cannot Separate, Reservior, Miss Spaghetti and her weird queries, Sealing up, Nothing in Common, Game of Friends, Mindfire & its Employees, Friend-zoned Parhi , Segment Queries, Digit Longest Increasing Subsequences 2, Median of Two Sorted Arrays, Sum of distances, Captain Virat and His Strategy!, Chef and His Apartment Dues, Number Wars, Most Frequent Element, Cisco and Magical array, Multiverse Queries, 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, (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, Chef and Array Update, Logan and his XOR debacle, Hogathon, Rainbow Graph, Increasing Xor Sequence, Golu and Sweetness, X-24 and his SUBSET code, Sorting Problem, Deadpool and his COOLEST Problem Ever, Logan and DIGIT IMMUNE numbers, Bear and Haircut, Bear and Ladder, Bear and Species, Pishty and tree, Diameter of Tree, Dish Of Life, Bear and Row 01, Similar Dishes, Freshers Party, Legend of Zelda, The Birthday Tears, Max Out, The Legend, Beautiful Smriti, An Apple a day, 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, Raman and The Bucket Challenge, Flash vs QuickSilver, Neha and Birthday Shopping, Mayank and Line Segments, Minimizing the dot product, Bear and Segments, Bear and Segment 01, Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Snake Procession, Snake Eating, Protecting The Poison, Chef got Recipes, Temple Land, La Liga, Balanced Array, Hussain Set, Nasty Queries, Binary Tree, Cleaning the Space, Prefix Inversions, SubInversing, Hasan and boring classes, Consecutive Snakes, A temple of Snakes, Is It a Snake, Prefix XOR, Knight Covering, A Study in Bake Street, SnackUp, Centeroid, Birbal and his Ledger, Chef and Universe, Snakes, Mongooses and the Ultimate Election, Snakes and their coup against The mongoose, Snakes and transition from Capitalism to Socialism, Waiting in a Queue, Snakes and Graph, Four Points, Ancestors in Two Trees, Chef and Pairs, Add or Multiply, Mex division, Robots in a DAG, Black Nodes in Subgraphs, Harry and magical number, Hull Sum, Maximum Unique Segment, Two Numbers, Company and Club Hierarchies, Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples, Chef and his string challenge, Maximize Grid Score, Hit the Coconuts, Whats in the Name, Servers (Challenge), Calculator , Two Coins, Girls and Security Patrol, Girls and Historical Similarity of Strings, Walks on the binary tree, Boss and his Brother, Minimum Good Permutation, Find the Maximum Value, Good Pairs, Travel to all Points, Divide the Set, Jon Snow vs White Walkers, Palindromic Game, Greedy Candidates, Strings and Graphs, Querying on a Grid, Weasel does Xor on Tree, Weasel finds Staircase, Mathison and the Dynamo shuffle, Longest increasing subsequence , Difference array, Fill The Matrix, Game on Stick, Real obtuse, From heaven to earth, Product on the segment by modulo , Mathison and pangrams, Max Mex, Broken Clock, Weird Competition, Yet Another Sorting Tool, Little Chef and Sums, Total Meth, Counter Test For CHEFSUM, Fast Exponentiation, Numbers Game, Infinite OR Game, Statistics Construction, Subsequence Equality, A Balanced Contest, Shreyansh and Arrays, Chef and Dice, Chef and Cook-Off Contests, Total Diamonds, Polynomials, (Challenge) Connecting computers, Disease, Very easy problem, Raja and Peer Pressure, Singular prime problem, Praveen, Modular GCD, Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries, Chef and Math Test, Chef goes Left Right Left, Buggy Calculator, Minimum SubArray, Maximum Number, Rick, Morty and the Grid, Ayvanat and Ugly Tree, Periodic Palindrome Construction, Ordering teams, Villages and Tribes, A tale of two trees, Days in Month, J - Reached Safely Or Not, C - Club of Riders, Organize The Wallet, Prime Factorisation, Matrix Median, Bridge Crossing, K Fibonnaci, B - Get The Gold, F - Huge Number of Trees, Chef and Deforestation, A - Appearance Count, Skiing, Online Chess, Chef and XOR Queries, Random Pair, D - Triangle Count, G - Palace of King, Smart Strategy, Shuffling, L-R queries, Strange Queries, Vertex Cover, Black and Red vertices of Tree, Chef And his Cake, Chef, Leonardo And Queries, Chef And Easy Xor Queries, Method Resolution Order, Find an element in hidden array, Area of an amazing figure, Queries on tree again, Penalty Shoot-out, Rotate Point, Red and blue points, The Prestige, Codie Bird, Chef and Hamming Distance of arrays, Vaibhav and Ministers, Science Fair, Chef And Land Labeling, Good and Bad Persons, Minimize the string, Chef and Triangles, Uniform Strings, Simplify the Square Root, Killjee and k-th letter , Taxi Making Sharp Turns, Spam Classification Using Neural Net, Non Overlapping Segments, Generating A Permutation, Optimize The Slow Code, Number Game, Coupon System, Proprietary Probabilistic Problem, Reverse the Number, A Simple Polygon, Quadratic Functions, Beautiful Array, Football Match, Large Sum, Magic Board, Drunk Man in Large City, Nested Candy Boxes, K - Raw Power, Poetic word, K-Concatenation, Maximum Score, Chef Cuts Tree, Rectangle, String Merging, Minimum Maximum Partition, Hello World, Caesar cipher, Polite Number Generation, Simple Fibonacci, Horse racing, Bit Pair Sum, Tom and his game, Barrel and password, Angry Killjee, Chef and Special Array, Chef and Special Nodes, Multiple of 3, Smallest To Square, Multiply the Array, Geometric Progression Triplet, Make array great again, Easiest Problem, The Golden Bag, Chef and Game with Sequence, N Sequence (Keteki), Max Subarray (keteki), Belal and his interesting Equation, Chef And His Characters, Chef and Escaping from the Labyrinth, 4 Cycle, Chef and odd queries, N-QUEENS, Points Inside A Polygon, Celebrity In Trouble, Mighty Friend, Chef and Easy Problem, Car-pal Tunnel, Chef and Gcd 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Xor, Biryani classes, Air Hockey, The Attack of Knight, Jogging, Gcd and Lcm , Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness, Prime Xor, Strong Elements, Chef and his Apps, Best of Two, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both, Bidding, Enough Space, Chef Drinks Tea, High Accuracy, Subsequence LCM, Journey of the Knight, Sort the String, Counting Words, MATH1 Enrolment, Game of Piles Version 1, Game of Piles Version 2, Coffee maniac, Slow Solution, Pass the Exam, Chef and Candies, Chef On Date, Copy and Push Back, Similar Heights, Construct N, End Sorted, Minimum Coins, Chess Time, Buy Lamps, Fill The Grid, Passes for Fair, Fill Candies, Interior Design, The Last Levels, Easy Pronunciation, True and False Paper, Positive array, N Buttons 1 Bulb, Chef in his Office, Sum of Product 1, Insurance, Hungry Chef, Split The String, High Frequency, Good Indices, Is it hot or cold, Maximise the Tastiness, Monks, Valid Minimum, Permutation GCD, Bad Tuples, Discount, Mileage matters, Nearest Court, Average Permutation, Adjacent Xors, Split N, Copy and Paste, Final Population, Different Medians, TV Discount, Dominant Element, Angled Flip, A drawing game, Sale Season, Two Trains, Maximum Submissions, Make A and B equal, Crazy Subsequences, AI Analysing Code, Minimum Sum, WA Test Cases, Air Conditioner Temperature, K-Flip, Gritty Grid, Nil Xor, Subtract 12 Operation, MEX Permutation Difference, Height of Rationals, Car Trip, Greater Average, Odd Pairs, Make A and B equal, Queen Blocks, Weights, Equal Distinct, Number of Credits, Ticket Fine, Balls and Boxes, Permutation Clear, Fever, Mean and Median, Broken Phone, Yet Another Chef And Numbers, OR Tuples, Pokemon Battles, Interesting Subarray, Good Pairs, Nearest Exit, Chefland Games, Maximize Colours, Far Away, Delicious Queries, Sleep deprivation, Flip the cards, Equalize AB, Stick Break, Permutation Creation, Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes, Adjacent Pairs, Bounded Spanning Tree, Break the elements, Ranklist Pages, Reach the Target, Add to Subsequence, Remove Bad elements, Maximum Subarray , Suspense String, Audible Range, Expert Setter, Speciality, Podium Finish, Minimum Pizzas, Binary Substituition, Building Race, Single Operation Part 1, Single Operation Part 2, Red Green Grids, Yet Another Palindrome Problem, 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, Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair, X Jumps, Max minus Min, Test Score, Nahaane Jaa, Maximize 1s, One-XOR Deletions, Packing Books, Tasty Decisions, Avoid Squares Please, Maximum Angriness, Mario and the Broken String, A Short Counting Problem, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Parity, Binod, 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, Monopoly in Chefland, Expensive Steps , Minimum Number of Ones, Counting Problem, Tour of King, Boring String, Expense List, Rain in Chefland, Bull or Bear, Make AP, Make Money, Sum of Cube , Divisible by A_i, Gcd of Subarrays, Good Investment or Not, Divisible by K, Reach fast, Maximise XOR, Make everything divisible by 3, Passing Through!, Square Loop, Scalene Triangle, Convert to permutation, Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Pet Store, Two Counters, Prime Reversal, Frequency Array Retrieval, Flip the Prefix, Instagram, Facebook, Snapchat, Asymmetric Swaps, Perfect Trio, Maximizing LCS, Apples and oranges, N Triplets, Sum it, Greedy or DP, Minimum OR Path, Find an integer, Consecutive Xor, Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers, Append for OR, Elevators, Mana Points, Minimize the Maximum, Chef And Babla, Far from origin, Battery Health, Redistributing Chocolates, Overspeeding Fine, Lcm hates Gcd, Read Pages, Odd Even Binary String, Prefix Ones, Three Powers of Two, Two Ranges, Saving Taxes, Profit Increment, Make Array Odd, Zero String, Expected Value, Contruct Array, 400M Race, Love Squares Hate Cubes, Take Not Less, Bi_lindrome!, Netflix, Spreading Charges, Tekken, Tom and Jerry Chase, Codechef Airlines, Balanced Suffix, Valid Expression, Passing Marks, Candy Store, Good Turn, Solve More Problems!, Divisible Subarray Counting, K-Beautiful Subarrays, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing, Permutation Subsequence, Prefix Permutation, Just One More Episode, Single-use Attack, Running Comparison, Reach at the Party (Easy Version), Equal Elements, Good XOR, Divide Pages, Maximum Capacity, Sunny Day, Find eX, Make A-B Same, Reach Home, Difference Matrix, MIN To MAX, Candy Division, Chef Eren, Construct String, Couple Game, Digit Operation, Chef and Donation, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold, Crazy Bishops on Chessboard, Four Tickets, Buy Ten Packets, Efficient PAN Linking, Return the Change, Inversions of subsequences, Inside The Stadium, IPL Ticket Rush, Can Chef , TripTastic, String Game , Cricket Match, Chef and Battery , CodeChef Learn Problem Solving, Maximise Score, Existence, Monopoly, Plus 2 or Minus 1, AB plus C, One or All, Positive or Negative Subarrays, Parliament, Minimum Ugliness, 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, Dividing into Groups, 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, Remove Multiples, AB Difference, Make It Special, Caesar Cipher, Airport Management, 2000, Card Swipe, Endless Appetizers, Puzzle Hunt, Exclusion-Inclusion, All New CodeChef, I Can Use Both Hands!, Lucky Seven, Air Quality Index, Chocolate Distribution, Concussive Sequence, Snakes on a Grid, Partially Increasing Array Queries, Warrior Chef, Work Smarter, Not Harder, Off By One, Light The Bulb, Chef Segment, Bit Play, Array Sum, Sports Section, Selling Insurance, Chef and Stocks, X-Ray Grid, Chef Fantasy 11, Reach Anywhere, Unique xor, Sunday Brunch, October Marathon, Divisible By 8, Dice Number, Maximise Sum, Double Rent, GCD and LCM, Bone Appetit, Dracula Eats, Dull Operation, Wishcraft, Adjacent Flips, Palindromic Prime Numbers, Rivalry, Clear Day, Cricket World Cup Qualifier, Multiple of 9, Alter Ego, Water Park, Tetris, Exams, 404 Not Found, Food Costs, Fair Share Settlement, Make N Zero, Thala For A Reason, Subtraction Sequence II, Greedy LIS Algorithm, Christmas Greetings, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree, Codechef Round, Hattrick, Exact Savings, Subset GCD, Xorry 1, Cookie Day, Unalike Gcd & Lcm, Count Subarrays, Largest K, Sub or Swp, Escape, Caesar Cipher Lite, Leg Space, Anti Adjacent Swaps, Arya In Grid, Transformation Cost, Swap and Unite
Contests (0):
None
Learning Paths (0):
None
Practice Paths (62):
Strings:
N Buttons 1 Bulb, DNA Storage, Wordle, Play Piano, Different Consecutive Characters , Malvika is peculiar about color of balloons, World Chess Championship, Efficient PAN Linking, Chef and Happy String , Blobby Volley Scores, Studying Alphabet, Lapindromes, Chef and Feedback, Chef and the Wildcard Matching
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, Kitchen Timetable, Largest and Second Largest, CodeChef Streak, Difficulty Rating Order, Workers, Count of Maximum, Cops and the Thief Devu
Basic Math:
Fitness, Test Averages, 7 Rings, Second Max of Three Numbers, Chef and Chocolates, Make AP, Find Remainder, 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, 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)
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