Zhang Yide
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- List of teams by Zhang Yide
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Practice Problems (3396):
Practice:
Prime Generator, Transform the Expression, The Next Palindrome, Factorial, Sphere in a tetrahedron, Small factorials, Pouring water, Play on Words, Marbles, The Burning City, Ordering the Soldiers, Stable Marriage Problem, Poker, Bytelandian gold coins, Ambiguous Permutations, Enormous Input Test, Sums in a Triangle, Simple Sorting, Not a Triangle, GCD2, Super Factor Sum, ATM, Packing the Boxes, A Christmas Pizza Puzzle, Johnny and the Beanstalk, Paying up, Primary Proposal, Battleship V, Life, the Universe, and Everything, A Very Easy Problem!, Paying up, The Lucky Draw, Primes in the GCD table, Quadratic Equations, The White Knight, A Coin Game, Prime Palindromes, The Lead Game, Permutation Cycles, Discrepancies in the Voters List, Numbers, Numbers, Numbers, Modulo, Help the DJ, The N Queens Puzzle Revisited, Magic Strings, The LCS Problem Revisited, The Best Box, Palindromic Numbers, Stone Game, Circle of towers, Maximum Sum Sequences, Anagram, Binomial Coefficient, Distorted Palindrome, THE GAME, Traffic jam, Carry, Windows, Trip, Edit Distance, Graph Counting, 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, Head office building, Adding Least Common Multiples, Ripple-Carry Adder, Randomly Testing Circuits, Backup Functions, Bombing, Count palindromes, Fetching Cooking Tools, Arranging the Appetizers, Baking Cupcakes, Cleaning Up, A Simple Equation, Stepping Up, Birthday Candles, Cooling Pies, Byteknights and Byteknaves, Bonus, A String Game, Even Coefficients, 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, Preparing Dishes, The Morning Commute, Pairing Chefs, Count Relations, Seeding The Pattern, Chef attic window, Milestones, Coloring Colorable Graphs, Divisors number divisibility, Holes in the text, Three Way Communications, Cutting Rods, The Key, The Mother-ship, Palindrome Palindrome, Rectangles Counting, Cipher Text, Parade, A Prime Conjecture, Chef Teams, Popular Rice Recipe, Billboards, Distribute idlis Equally, Most Popular Friend, Infinite Grid Game, Something About Divisors, Misinterpretation, Garden Squares, Longest Weird Subsequence, Vote for the Noodle Soup, Dish Distribution, Open the Dragon Scroll, Counting Hexagons, Short, Repeated String, PDS Number, Lucky Palin, Sine Partition Function, Polynomial Partition Function, Last Digit Sum, Digit Rotation, Hotel Bytelandia, Evil Book, Across the River, Divisor Sum, Generalized Arithmetic Progression Free Sequence, First non-Palindrome, Chef Travel Routes, Sum of Factors, Calendar, Moving Coins, Subanagrams, Lucky Count, Houses and Restaurants, Ciel and A-B Problem, Dynamic GCD, Lucky Long, Card Shuffle, Find a Subsequence, Free Shuttle Service, Flight Distance, Word Couting, Home Delivery, Count of Maximum, Spoon in Matrix, Fit to Play, Daily Train, Simultaneous Nim, Little Elephant and Product, Combination Generator, Algorithm Challenge, Magic Trick, Divisor Summation, Is it a tree, Double Strings, Jewels and Stones, Ciel Numbers II, Find a special connected block, Little Elephant and Balance, Little Elephant and Strings, Stacking Pancakes, Lucky lucky number, Greatest Dumpling Fight, Strange Punishment, Divisible Pairs, Little Elephant and Alcohol, Little Elephant and Candies, Little Elephant and Mouses, Little Elephant and Painting, Little Elephant and Colored Coins, Top Batsmen, Remember the recipe, Expected Maximum Matching, Lights, PRIME, Little Elephant and Bamboo, Little Elephant and Cards, Little Elephant and Exams, Kisses & Hugs, Remy paints the fence, Little Elephant and Music, Fierce Battles, Little Elephant and Lemonade, My Fair Coins, Arranging Cup-cakes, Event Organizer, Closing the Tweets, Prime Permutations, Connecting Soldiers, Golden Trees, Alien Chefs, Matchsticks, Block Game, Delivery Boy, Racing Horses, Ciel and Receipt, Ciel and Map, Ciel and Tomya, A Game of Thrones, Queries About Numbers, Knight Moving, A Wonderful Chocolate, ChefTown Parade, Three is Crowd, Forced Output, Code Crazy Minions, Find the Goalkeeper, The New Scheme, Candy Collecting Game, Granama Recipes, Coin Flip, Recipe Reconstruction, Carvans, Buy1-Get1, Room Corner, Tourist Translations, Different Trips, N Queens, Little Elephant and Permutations, Sridhar Likes Travelling, Buying Sweets, Equalization, Tennis Tournament, Little Elephant and Divisors, Rat Maze, The Minimum Number Of Moves, Arithmetic Progressions, Barcelona Gameplay Tactics, Jurassic Park, Triangular Queries, Subset Sum, Expected Greatest Common Divisor, Root of the Problem, Packaging Cupcakes, Reversing directions, Lucy and the Flowers, Cucumber Boy and Cucumber Girl, Chef of the Year, Climbing Stairs, ChefGame, Count the Words, Vacation, Observing the Tree, Approximately, Queries on tree again!, Minimum Distance, Many Chefs, Three Different Numbers, Gandalf vs the Balrog, Saruman of Many Colours, Entmoot, The Glittering Caves of Aglarond, The Mirror of Galadriel, Dyslexic Gollum, Snape and Ladder, Kingdom Unity, The Ball And Cups, Palindrome, Traveling Plan, Level Of Difference, Hello Hello, Prime or not, Fire Escape Routes, Lack of Logic, Row and Column Operations, Hotel Balifornia 2, Almost Prime, Helping Lira, Another Factorial Problem, TicTacToe, Superpowers of 2, String Power, ZooZooland Water Shortage, Lucky 13, Name Reduction, Your Name is Mine, Save The Princess, Just Some Permutations 3, Andrew and the Meatballs, Andrew and the Strings, Dessert Wizard, Mountain Holidays 2, The Number Of Solutions, SORT, Two k-Convex Polygons, Andrew and the Balls, Count Special Matrices, Andrew and the Meatballs again, The Probability Of Winning, Lapindromes, Cool Guys, Furik and Rubik and Sub Array, Rook Placement, XOR Sum, Subtraction Game 1, Subtraction Game 2, Chef and Segments, Chopsticks, Counting The Important Pairs, A Plus B Again!, Very Long Suffix Array, Maxim and Dividers, Maxim and Progressions, Sereja and Game, Attic Crossing, Sereja and two strings, Sereja and Ballons, Online Shopping, Number of Factors, Sereja and Graph, Prime Distance On Tree, Elephant, Chef and Integers , Gangsters of Treeland, Tasty Dishes, Splitting Candies, Project Spoon, Matrix, Sorting, Safe Routes, Three-Degree-Bounded Maximum Cost Subtree, To Queue or not to Queue, Two Roads, Chef and Magic Numbers , 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, Chef and Pie, Factorisation, Game, Kamehameha, Tree, Polo the Penguin and the Lucky String, Art in Digital Age, Polo the Penguin and the Numbers, Polo the Penguin and the Test, Friendly Numbers, Queries With Points, Polo the Penguin and the XOR, Uncle Johny, Square Digit Squares, Substring Problem, Missing some chairs, Chef and Codes, Combinatorial Numbers, Polo the Penguin and the Tree, Lucy and the Number Game, Statues, Line Problem, Cardinality, Lucy and Palindromes, Exponential Game, Chefs in Queue, ForbiddenSum, ATM, Help Ragetti, Rescue Jack Sparrow, Number Mirror, Am I a Fibonacci Number, Lowest Sum, Trees and Subtrees, Lucy and Question Marks, Funny Marbles, Magic Pairs, Reign, Rectangular Queries, Query on a tree VI, Chef and Substrings, Chef Goes Through Segments, Meteor, Chef and Favourite Sequence, Perfect Subarrays, Mike and Task Packages, Reign 2, Counting Matrices, Hard Disk, Walking Path, Rich Rhyme, Family of Recurrences, Chocolate Division, Merging Files, Changing Money, Bon Appetit, Please like me, Chef and Girlfriend, Chef and Feedback, Count on a Treap, Team Split, Olympic Village, One-Way Roads, Ant Colony, Message Coding, Toy Exchange, Sequence Alignment, Longest Common Pattern, Little Elephant and Subarrays, Farmer Feb, Chef and the Cake I, Chef and the Orders, Chef and Shop, Chef and String, Chef and Numbers, Cards, bags and coins, Subtraction Game, Interrogating Gangsters, Compilers and parsers, Walk, Maximum number, GCD condition, Chef and Magic Arrays, The Street , Little Chef and Numbers, Atoms in the Lab, Counting Bits, Naughty and Balls, Ingredients, Subarray Xor, Sherlock and Inversions, Missing Number, A Story with Strings, Chef and Remissness, Chef and Kingship, Chef and Uniqueness, Sweets Problem, Dynamic Trees and Queries, Cross the Maze, Game of Divisors, ABC-Strings, 3-Palindromes, Sereja and Two Arrays, Sereja and ASum, Chef and Graph Queries, Final Battle, Sereja and Arrays, Chef-jumping, Chef and Digits, Little Elephant and T-Shirts, Permuted Array Problem, Distant Relatives, Dividing Stamps, Divide the Tangerine, 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 Equality, Chef and Rainbow Array - 2, Chef and Strange Matrix, 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, Stone, Count Substrings, Count Permutations, Count Sequences, Count Substrings, Team Sigma and Fibonacci, Reach The Point, Dish Owner, Divisible Subset, The Leaking Robot, Approximately II, Mountain Engineering, Addition and Multiplication, Forgot Password, Maximizing Marks, Rectangles, Game of Numbers, Queries on the String, 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, Push the Flow!, Earthquake, And Operation, Shift The String, Lowest Common Ancestor, Rectangle Query, Cleaning Tables, Copy-Paste, Sum Queries, Chef and Gift, Friends, Chef and Array, Fun with Rotation, Flooring, Harrenhal, Dragonstone, Children Trips, 2048, A wolf, a sheep and cabbage, Deja Vu, Count Digits, Chef and Strange Formula, Tanu and Head-bob, Convert the Expression, Servers, Jam, Chef And Fibonacci Array, Sereja and Order, Sereja and Game 2, Magical Girl and Colored Liquid Potions, Updating Edges on Trees, 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, Determine the Maximum Sum of Weights, Kali and Devtas, Solving the Practice Contest, Spiderman and Jumping, The Dirty Path, Distinct Characters Subsequence, Matrix Problem, Chef and Red Black Tree, Chef and A Large Permutation, Chef and Notebooks, The Army, Walk on the Axis, Tree and Queries, Maximum Average Sub-Array, XOR with Subset, The Problem Set, Launch Tower, Chef and a great voluntary Program, Chef and Churu, Matrix Again, EXPECTED VALUE, Player, Course Selection, Chef and Strings, Mangalyaan-2, 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, Rohan With Sticks, Most Distant Points, Brackets, Petersen Graph, Chef and Keyboard, Chef and Problems, Chef and Stones, Max Array, Zombinatorial, Dividing the Students, Parenthesis with Maximum Sum Subarray, Special Shortest Walk, Charlie and Prime Numbers, Ramanujan and Numbers, Billiards, Sereja and Random Array, Sereja and Two Lines, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Delivery Man, Queries On Tree, String Matching, Bread, 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, Just multiply, Dhonis Bowlers, Matryoshka Dolls, Kiwi Number, Gabba sprint, Gcd Queries, Chef and Fibonacci, Connect The Dots, Suraj goes shopping, Tojo hates probabilities, Anup at Amrithapuri, Random Rudreshwar, Let us play with rank list, Digits in Factorial, Find Distance, Chef and Equality, Devu and Locks, Little Chef and the King, Equilibrium number, Not Palindrome, Chaapu and Parcels, DOTS Player, Factorization, Let us play with even and odd numbers, Chef and Pattern, Chef and Interview, Cricket Tournament, Message Typing, Chef and Strange Operations, Lucky Four, The Warehouse, Thiruttu pasanga 2, The First Cube, Sweet Deal, Broken Telephone, Median, Inversion sorting, Filling the maze, Find P-th Number, Strategy for the World Cup, Chef and His Friend, Devu and his three Hands, Counting on a Tree, Devu and binary String, A game on a graph, Cats of Schrodinger, Library and Headcount, Pair of Numbers, Andrash and Stipendium, Fibonacci, Chef and Memory Limit, Virat and his challenge, Way Out, Chef and Prime Divisors, Exam, Chef and Inflation, Design a Bot, Little Party, Chef and Polygons, Chef and Laptop, YJump, Set Difference , Black-white Board Game, How to Minimize a String, Devu and a light discussion, Chef and new recipe, Chef and Balanced Strings, ATM, Saving a gift of love, Flip Flops, Chef Anup, Equality, CHEF AND AUCTION, Prime Palindrome Sum, How to Repaint a Fence, Euler Totient Function Extended, 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, Counting on a directed graph, National Football League, Math Bond, Strange Race, Busy-ness, Expected Value, ACM vs CSES, Laboratories, Ankit, Srijan and a game of stone piles, King test to his sons, Accommodating tribal clans, Securing Florence, Save the kids, Gravity Guy, Connecting Army Troops, Unlock Secrets or Leonardo, Teaching binary to a child, MasterChef, DONT GET WET, Chef and String, A New Scheme, Mix Sorting, Find Missing Number, Spiral Form, Chef and Cube, Chef and Bits, Password Validation, Rohith and Circles, Array Operation, Special Economic Zone, 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, Gregorian Calendar, Ingredients, Second Largest, Small Factorial, Arush Challenge, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Wrong Answer, Chain of Doughnuts, Chef and Dolls, Chef and his Sequence, Merge Sort, Nikitosh and xor, Number of Ways , Chefbook, Devu and friendship testing, Rupsa and the Game, Entrance Exam, Make XOR zero, Rupsa and Number army, Train Partner, Cops and the Thief Devu, Bored of Nim, Cooking Machine, Time measure, Devu and his mouse Jerry, Divisibility by 9, 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, Attack of the Bugs, Greedy puppy, Puppy and GCD, Puppy and game, Chef and Sets, Race Time!, Future of draughts, Chef And The Hiring Event, Puppy and cats, Who dares to be a millionaire, Chef and Super Array, Chef and Rectangle Array, Receipt Recovery, Forgotten Language, Chef and collection of stamps, Friends Meeting, Spheres, Chef and the stones, Chef and the Cards, Chef and the XORed Number , Chef and the Number Sequence, Churu and lost string, Cyclic shifts in permutation, Chef and the Wildcard Matching, Capital Movement, Maximum sub-array, Rupsa and Equilateral Triangle, Coffee Breaks, Pattern matching, Misha and Gym, Sum of palindromic numbers, The Gift Of Raksha Bandhan, EASY SORTING, Chef And Operators, Jump mission, Stacks, Are You Lucky, Cyclist Race, Chef and cakes, Period on tree, emitL, Estimating progress, Counting Zigzag Sequences, Creepy Bob, Oracle Devu and Longest Common Subsequence, Shinigami and Apples, GCD on Tree, Mahasena, Chef and Filters, Count Permutations, Factorial to Square, Word Stem, Almost Sorted Permutation, Finding Hardest Sum Value, Just Update and Print the array, Chef-Detective, Processing a string, Weird Paths in a tree, Exam results, MST, Falling Rocks, Finding sum, Mutated Minions, Petr Contest, Jimma and Chingam, Line Intersections, Computer Network, Ancient Berland Roads, Trip and Palindromes, Chef and Destruction, Chef And Palindromes, Matched Brackets, Wormholes, Little Red Riding Hood, 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 Sub Array , Tanks, Urban Development, Chef and Cycled Cycles, Magical Strings, String Swap, The Christmas Gift, Floor Distribution, Chef And Fibonacci Tree, 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, Chef and Tree, Chef and Vectors, 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, COPRIMES, Exponential Sub-Palindromes, Product of two numbers, Longest Common Subsequence, Chef And Binary Operation, Bubble Swap Count, Help Watson Escape, army soldiers, Fibonacci Queries, Swapnil And Shibly Again , 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 has a war with tribal leader Malvika, Asif and Game Show, Praveen falls from a tall tree, 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, Binary Strings, Sets Within Sets, The Return of Palindrome, Chef and digits of a number, Not even planar, Digital clock, Dual Nim, Table Sum, Alternating subarray prefix, Three Numbers, Lukasfilm, The Abominable Bride, COC battle, Divisibility test, Simple Search, Faded Palindromes, Chef and Socks, Chef and Polygons, maximize the sum, Chef and Big Matrix, Chef and math, Fullmetal Alchemist, Chef And Special Dishes, Tiptoe through the tulips, Puppy and Board, Chef and Balls, Chef and Coins Game, Chef and Three Dogs, Puppy and Sum, Chef and Chocolate, Chef and Ballons, Rain Water trapping, Arjun and Fibonacci, The Inversions, Shubham and Strings, String Comparision, Forest Gathering, Two Closest, Simple Statistics, ABABAABA, Get AC in one go, Asya & Beautiful Strings, Asya & Coloring, Ada and crayons, String Queries, Dilku and Message, Total Palindromic Numbers, The Mortal Instruments, The potato problem, Beautiful Function, Mr Thakkar want to go dream land, Minion Rush, The Root Sub Game, Dragon Warrior, Counting Zeroes, Profit Maximization, Ramesh And Suresh, Sonal And Forests, Fear of Rectangles, SumBits, MinConcats, Range Modulus, Intersections, Golu and url shortner , ZEROES01, Lucky Army, Cyclothon, Agent Chef, Chef And Coloring, Maximum K Sums, Mr Perfectionist, Mr Swegwan and Arrays, Help with selection, Multiuser Environments, Shopping, Summer Internship, Help with distances, Probability, Vivek and Sum Queries, Climbing Stairs, PrePre, Odd Divisors, Queries on a Binary Tree, Polygon, FIZZ BUZZ, Daddy and Chocolates, Shifu and Strings, Cooking Schedule, Circle, Tree Cake, Large factorials, Eugene and big number, The Bracket Problem, Chef and Round Run, Cats and Dogs, Chef and Big Soccer, Laddu, BookWorm, Coins And Triangle, Very Simple Question Returns, Akhil And Colored Balls, Akhil And Pending Homework, Chef and special numbers, Tandem, Devu and an Array, Evaluate the polynomial, Funny gnomes, Primitive Queries, Yet Another SubSegment Sum Problem, Kitchen Timetable, Floor Division Game, K-good Words, Very Simple Question- The Quadruple, Sticks, 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, Alliances, 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, Good Numbers, Love among People, JosephLand, Kirito in Memeland, Catch Spider-Chef, Chef and Proportion, Chef and Numbers, Chef and squares, Theatre Square, Building Permutation, Chef and Tree, Lost Password, Tweedle-Dee and Tweedle-Dum , Mock Turtle, Pattern Craft, Sums, 3 Divisible Subsets, Chef and calculation, Will and Closed Set, Naughty Sanket, Drumpf for President!, Lumpy - The Bus Driver, So Close Yet So Far, Easy Triangles, Kaps and his wife, Print It, If - Else Problem, Digit Longest Increasing Subsequences, Studying Alphabet, Lock-Free Stack, Xor Grid, Matrix Transformation, Pascal Triangle, Sorting Tool, Second Year Pains, Completing favorite game, Take Turns, Kth Max Subarray, Chef Chocolate, Sahil The Anime Lover, JARVIS and LCP , Mahasena , Joker and Batman, Raymond And Network, Simplest Problem, Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Asya & Number of Paths, 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, Weird Spider, Lousy Game, Chef and Bike, Ash and Pikachu, Chef and Digits, Persistent oak, Number Pyramid, Torque and edges, School distance, Coldplay Concert, The Crofts Game, Break the tree, Tree Palindromes, Batman v Superman, Find The Digits, Number Lock, Pattern, Time Conversion, Prime Numbers, Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Sherlock Counts Ways, Chef And Clothes, Candy Game, Huge GCD, Luther and Brackets, Luther and Employees, Chef and Cards, Mansi and Her Student, Chef and Roads, Sagar And Pens, Tree Balancing, Minimum Cost Walk, Luther and Palindromes, ChefWatson uses Social Network, Restore the Permutation, FastFood Combos, Another maths problem, Task for Alexey, A walk on a grid, Infinitity, Sereja and Inversions, Exponential Deal, Missing Digits, Increasing Subarray, Beautiful Arrays, Watson and Digit Sums, Counting Lights, Query On Strings, Query On Arrays, The Counties, Download file, Fusing Weapons , Hill Jumping, Mr P and his Friend, Egg Problem, BANTAS CONUNDRUM, Run Length, Subway Lines, Sebi and the highway, Algorithmist2 And Pheonix123, Edit Distance Revisited, Proper Divisors, large fibonacci, Test the Year, Roses for Alexey, Pattern Problem, Matrix Multiplication, Fibonacci, Remove Duplicates, Fluffy and Scoreboard, Fluffy and Flippy Bird, Fluffy and Typing Password, Fluffy has a Robot, Tree Height, Maximum Xor Query, Visiting Friends, Virus Attack, Chef and his Students, Chef and Square Set, Tom & Jerry, Parhi And Multiplication, Bear and Three Colours, Coprime 6-tuples, Chef and Subarrays, Chef and Queries, Finding Seats, Timestamps, Coal mines of Kharagpur, Optimal Partition, Coal Mafia and Toll Tax, Bus Routes, Cookie Flavors, Mancunian Candidate Master Forever, Birthday Pizza Party, ACM ICPC World Finals Accommodation, Voting Fraud, Alice and Bob play Contact, The Saviours, Special Cracker, 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, Men and Horses, Precious Stones, 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, Subtree swapping, Chef and Circle, Reservior, Tourists in Mancunia, Rabbits and Carrots, Miss Spaghetti and her weird queries, Sealing up, Nothing in Common, Streets Of VSSUT, Game of Friends, Mindfire & its Employees, Friend-zoned Parhi , Improve the Permutation, Chef and Triangles, Favorite Minion, Pattern, Pari and String, Digit Longest Increasing Subsequences 2, Median of Two Sorted Arrays, Sum of distances, Mixing flavors, Captain Virat and His Strategy!, Chef and His Apartment Dues, Most Frequent Element, Path Triples On Tree, Irrational Root, Cisco and Magical array, Multiverse Queries, Xenny and Alternating Tasks, Cooking Game, Transpose Matrix, Bear and House Queries, Next Permutation, Bear and Extra Number, Bear and Milky Cookies, Chef and Divisor Tree, Names of Places, (CH) Bear and Sorted Rows, Bandwidth of a matrix, Bear and Oveflow Points, Count Strings, Box Distribution, Square of a Number, Second Max of Three Numbers, Chef and Array, Chef and Ola Cab, Chef and Array Update, Logan and his XOR debacle, Hogathon, Easy One-Electricity Bill, Rainbow Graph, Yet Another Card Game, Increasing Xor Sequence, Golu and Sweetness, Safe Robot, Sorting Problem, Charles and the BRUTAL subsequences, Long Sandwich , Professor X and Grouping of Numbers, Logan and DIGIT IMMUNE numbers, Bear and Ladder, Bear and Species, Chef and Prime Queries, Stable market, Diameter of Tree, Dish Of Life, Bear and Row 01, Bear and Clique Distances, 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, Flash vs QuickSilver, Neha and Birthday Shopping, Mayank and Line Segments, Minimizing the dot product, Bear and Digit Virus, Bear and Segments, Joey and food, Bear and Segment 01, Gotham PD, Chef and his daily routine, Courses in an university, Chef and Subsequences, Painting Tree, A Good Set, Chef and the Feast, Triplets, Snake Procession, Snake Eating, Protecting The Poison, Chef got Recipes, Temple Land, Same Snake, La Liga, Hussain Set, Nasty Queries, Binary Tree, Cleaning the Space, Prefix Inversions, SubInversing, Hasan and boring classes, Team Formation For Snackdown, A temple of Snakes, A Game of Balls, Prefix XOR, Knight Covering, Centeroid, Snakes capturing the Mongoose Cities, Snakes, Mongooses and the Ultimate Election, Snakes and transition from Capitalism to Socialism, 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, Minimax, Hull Sum, Maximum Unique Segment, Two Numbers, Company and Club Hierarchies, Chang and Bitwise OR, Chang and Perfect Quadruples, BiCycles, 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 Security Patrol, Girls and Historical Similarity of Strings, Walks on the binary tree, At The End, 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, Sum of Cubes, Querying on a Grid, Weasel finds Staircase, Longest increasing subsequence , Prime Vs Composite, Difference array, complement, Fill The Matrix, From heaven to earth, Mathison and pangrams, Max Mex, Broken Clock, Yet Another Sorting Tool, Queens Landing, Breaking Bass, Little Chef and Sums, Counter Test For CHEFSUM, Chef Hates Palindromes, Fast Exponentiation, Numbers Game, Infinite OR Game, Subsequence Equality, A Balanced Contest, Shreyansh and Arrays, Chef and Dice, Baga and Prime Numbers, Large Products, Reverse Case, Chef and Cook-Off Contests, Total Diamonds, Polynomials, (Challenge) Connecting computers, Lucky Edge, Pyramid falls, 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, LOGICAL Pattern, Periodic Palindrome Construction, Ordering teams, Compression Algorithm, Villages and Tribes, 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, Sequence Summation, K Fibonnaci, B - Get The Gold, Chef and Deforestation, A - Appearance Count, Adjacent leaves, Skiing, Chef and XOR Queries, Random Pair, I - Secrets, D - Triangle Count, G - Palace of King, Smart Strategy, Shuffling, 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, Obtain Desired Expected Value, Queries on tree again, Penalty Shoot-out, Rotate Point, Red and blue points, Chef Counts Semi-BSTs, The Prestige, Spanning Tree, Codie Bird, Chef and Hamming Distance of arrays, Vaibhav and Ministers, 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, Non Overlapping Segments, Generating A Permutation, Optimize The Slow Code, Coupon System, Proprietary Probabilistic Problem, 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, Drunk Man in Large City, K - Raw Power, Crypto Trading, A Few Laughing Men, Coder Life Matters, Poetic word, Maximum Score, Rectangle, String Merging, Anupam and Raja, Minimum Maximum Partition, Partition the numbers, Hello World, Caesar cipher, Simple Fibonacci, Horse racing, Tom and his game, Barrel and password, Chef And Chocolates, Multiple of 3, Palindrome Repeat, Smallest To Square, Multiply the Array, Geometric Progression Triplet, Make array great again, Easiest Problem, Chef and Game with Sequence, N Sequence 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Pythagorean Pair, X Jumps, Max minus Min, Test Score, Nahaane Jaa, STAR Pattern, Distinct Neighbours , Maximize 1s, Packing Books, Minimum Absolute Score, Tasty Decisions, Greedy Grid Moves, Avoid Squares Please, Maximum Angriness, Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Paisa Double, Parity, Candies, Binod, Distinct Colors, Water Consumption, Hackerman, Split and Maximize, Spliting Balls, Time Complexity, Water Mixing, String Game, Potato to Gold, Lazy Ancestors, Good Binary Strings, Palindrome by Splitting, Connect All Cities, 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, Existence Of X, Boring String, XOR Product, Expense List, Rain in Chefland, Bull or Bear, Make Money, Divisible by A_i, Gcd of Subarrays, Good Investment or Not, Reach fast, Maximise XOR, Scalene Triangle, Convert to permutation, Longest Subarray, Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Pet Store, Prime Reversal, Frequency Array Retrieval, Flip the Prefix, Instagram, Facebook, Snapchat, Asymmetric Swaps, Perfect Trio, Apples and oranges, N Triplets, Sum it, Find an integer, No sequence, XOR Tree, First To Last, Chef Plays Ludo, Multivitamin Tablets, Hamiltonian Tree, Lucky Numbers, Append for OR, Elevators, Mana Points, Distinct Values, Minimize the Maximum, Chef And Babla, Far from origin, Battery Health, Redistributing Chocolates, Overspeeding Fine, Negative Product, Lcm hates Gcd, Medicine Strength, Read Pages, Equal Hamming Distance, Three Powers of Two, Two Ranges, Saving Taxes, Profit Increment, Bitwise Operations on Circle, Make Array Odd, Zero String, 400M Race, Not Divisible, Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix, Spreading Charges, Tekken, Tom and Jerry Chase, Codechef Airlines, Three Numbers, Bitwise Equation, Valid Expression, Passing Marks, Candy Store, Good Turn, Solve More Problems!, Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing, Permutation Subsequence, c8kbf and Tree, Matrix Pain, Just One More Episode, Single-use Attack, Running Comparison, Game of Power, Equal Elements, OR-XOR, Good XOR, Maximum Capacity, Sunny Day, Arrange the array, Find eX, Fallacy of Wasseypur, Make A-B Same, Reach Home, Difference Matrix, MIN To MAX, Candy Division, Chef Eren, Construct String, Budget of Technex, Couple Game, Max count of 1, Digit Operation, Chef and Donation, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold, Four Tickets, Buy Ten Packets, Efficient PAN Linking, Return the Change, Inside The Stadium, IPL Ticket Rush, Can Chef , GCD Queries, Least Size, Minimum Operation, String Game , Prefix Max, Cricket Match, Chef and Asteroids, Unstable Subarray, Chef and Battery , CodeChef Learn Problem Solving, Maximise Score, Existence, Monopoly, 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, Learning SQL, Printing Binary Array, Favourite Numbers, Anti Palindrome, Rectangular Tiling, XOR & Sum, 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, Donation Drive, Donation Rewards, Transfusion Chain, EVacuate to Moon, Messi vs Ronaldo, Remove Multiples, FIND A and B, AB Difference, Make It Special, Caesar Cipher, Airport Management, 2000, Best of Two, Two Piles, Card Swipe, Endless Appetizers, Puzzle Hunt, Exclusion-Inclusion, All New CodeChef, I Can Use Both Hands!, GCD Discount, Lucky Seven, Stamps 100, Air Quality Index, Trade Surplus, Chocolate Distribution, Concussive Sequence, Minimize Xor Difference, Split and ADD, Warrior Chef, Lockpicking Chef, Off By One, Sports Section, Chef and Stocks, Chef Fantasy 11, Save People, Unique xor, Sunday Brunch, October Marathon, Divisible By 8, Dice Number, Double Rent, GCD and LCM, Bone Appetit, Dracula Eats, Wishcraft, Survival Time, Palindromic Prime Numbers, Clear Day, Cricket World Cup Qualifier, Best of N Sets, Worth of a Video, Marbles, Monsters, Tetris, Exams, 404 Not Found, Cursed Indices, Food Costs, Fair Share Settlement, Minimise Maximum Subarray Sum, Maximum Score , Make N Zero, Thala For A Reason, Subtraction Sequence I, Greedy LIS Algorithm, Christmas Greetings, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree, Codechef Round, Chef Product, Hattrick, Minimum Wage, Exact Savings, Spread Spree, Is it uniquely decodable, Xorry 2, Xorry 1, Judged, Cookie Day, Unalike Gcd & Lcm, Count Subarrays, Largest K, Sub or Swp, Valentine Gifts, Frequal, Leg Space, Anti Adjacent Swaps, Healthy Sleep, Summer Time, 50-50 Rule, Fake Certificate
Contests (0):
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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, DDMM or MMDD, World Chess Championship, Chef and Happy String , Efficient PAN Linking, Studying Alphabet, Blobby Volley Scores, Lapindromes, Chef and Feedback, Chef and the Wildcard Matching, Password
Arrays:
Compress the Video, Find maximum in an Array, Snapchat, Take discount or Not, Cost of Groceries, MIN To MAX, Bomb the base, Red Light, Green Light, Running Comparison, 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, Second Max of Three Numbers, 7 Rings, Chef and Chocolates, Integers that sum to the same value, Find Remainder, Candy Store, Minimum Number of Ones, Scalene Triangle, Negative Product, 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)
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Problems Tested (0)
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Editorials Contributed (0)
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