ksslkeerthana2
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(2024-05-01 22:00:06)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0):
Practice Paths (31):
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Contests (33):
Starters 85 Division 4 (Rated):
Efficient PAN Linking, Inside The Stadium, IPL Ticket Rush, Can Chef
Practice Problems (4554):
Practice:
Prime Generator, Transform the Expression, Factorial, Small factorials, Marbles, Bytelandian gold coins, Ambiguous Permutations, Enormous Input Test, Sums in a Triangle, Simple Sorting, ATM, The Rise and Fall of Power, Some More Homework, Packing the Boxes, A Christmas Pizza Puzzle, Johnny and the Beanstalk, Spaghetti Monsters, Paying up, SudokuX, Product of divisors, The Bytelandian Union, The Guessing Game, Toll Trolls, Battleship V, Place the mines!, Life, the Universe, and Everything, Squash the Bugs, Swapping mismatches, An interesting subsequence, The powerful sum, Prime words, Best board fill, Healthy dinner party, The Lucky Draw, The battlefield, Primes in the GCD table, Pack the balls in a box!, Count the squares, Alien Clock, Magic sequence, Lights Off, Quadratic Equations, The White Knight, Buggy algorithm, Lights Off, Revisited!, Sums in a cuboid, Bytelandian Robots, Curry Stained Napkin, Golf course, Se7en, A Bowling Game, Smart Frog, A Coin Game, Crystals, Divide and conquer, The Lead Game, Discrepancies in the Voters List, Alien language, Chemical reactions, Mosaic, Congruent triangles, A puzzle game, Paragraph Formatting, Just a simple sum, Kayaks, Forces in the crystal, Help the DJ, Park tour, The N Queens Puzzle Revisited, Effective Sets, Magic Strings, Help the judge, The LCS Problem Revisited, The Best Box, Palindromic Numbers, Maze of Digits, Plant Location, The Mine Field, Place the balloon, Circle of towers, Cell Phone Towers , Wildcard Matching, Lost Primes, Jawbreaker, Motorbike Racing, Soccer League, Sorting device, Overlapping discs, Treasure Hunting, Heroes of Magical Might, K-important Strings, The Best Tower, Tri-Hexagonal Puzzle, Traffic jam, Lighting the shop, The Reversed World, Flood, Travelling Salesman Again !, Trip, Adding Fractions, Graph Counting, Lights Out, Nice Quadrangles, Genetics, Rendezvous, The Black and White Knights, Closest Ranking, Generalized Spanning Trees, Pricing Tollbooths, Robot Game, Summing Slopes, Multiples of 3, Swarm of Polygons, Tidying Posters, Prime Pattern, Happy Days, Maximal crosses, Squirrel and chestnut, Exit code, Gravel, Reduce string, Rearranging Digits, Head office building, Adding Least Common Multiples, Ripple-Carry Adder, Randomly Testing Circuits, Brush Fire, Backup Functions, Get a Clue, Block Tower, Obstacle Course, Stepping Numbers, Post Office, Logging Game, Bombing, Count palindromes, Bogosort, Cake Production Line, Fetching Cooking Tools, Arranging the Appetizers, Baking Cupcakes, Cleaning Up, Communicating Servers, Bytelandian Shoppers, Trees Again, Graph Challenge, Chefs Bad Day, Glass Measurement, Integer Combinations Of Vectors, Renting Spare Oven Time, Balanced Walks, Delivering Bread, The Hungry Bear, Odd Binomial Coefficients, K-Unique Sequence, Byteknights and Byteknaves, A String Game, Restaurant Expansion, Chess Pushing Game, Flu Shot Lineup, 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, Newspaper Puzzle, Preparing Dishes, Rush Hour, The Morning Commute, Pairing Chefs, Count Relations, Seeding The Pattern, Chef attic window, Milestones, Squares Game, Counting Terms, Buying Land, Generalized Independent Sets, Coloring Colorable Graphs, Pruning Trees, Divisors number divisibility, Holes in the text, Chef team, Whole submatrix, Time of collisions, Integer Sequences, Breaking Into Atoms, Omax, Three Way Communications, Dance Floor Energy, Icing Crowns, The Amazing All-In-One Cooking Machine - Challenge, Tree Product, Mushroom Cave, Exponentiation Commutativity, Graphs in Euclidean Space, Money Transformation, Palindrome Palindrome, Central Point, Rectangles Counting, Snake Snaky, Grouping Chefs, The Great Wall of Byteland, Bickering Cooks, The Grand Cook Off, A Prime Conjecture, Maximal Score Path, Wireless Network, Sum Divides Product, Internet Media Types, Chef Teams, Harmonious Decorating, Attack of the Clones, Popular Rice Recipe, Closest Points, Tom And Jerry, Minesweeper Reversed, Restock, Billboards, Socializing Game around Pizza, Trial of Doom, Packing the Golden Triangles, Distribute idlis Equally, Preferred Cooking Schools, Coloring in Hypercube, Large Kitchen, Haunted Maze, Sines Sum Queries, Longest Arithmetic Progressions, D-Power Permutations, A-E Hash Function, Correctness of Knight Move, Super-plane, Most Popular Friend, Infinite Grid Game, Something About Divisors, Shortest Circuit Evaluation, Block Drop, Misinterpretation, Mean Mean Medians, Garden Squares, Pleasing Chief, Colored Domino Tilings and Cuts, Younger Brother, Birthday Gift, Longest Weird Subsequence, BIT Magazine, Vote for the Noodle Soup, Complex Spanning Tree, Dish Distribution, Open the Dragon Scroll, The Great Plain, Counting Hexagons, Rotate the String, Angry Chef - Crispy Chips, Short, Misinterpretation 2, Collect the Chocolate Chips, The Baking Business, Digits Forest, Robot Movings, Repeated String, PDS Number, Ciel and Eggs, Lucky Palin, Box and Ball System, Chefs new Pet, Cosine Partition Function, Sine Partition Function, Polynomial Partition Function, Last Digit Sum, Digit Rotation, New Restaurant, Target Practice, Hotel Bytelandia, The Postal Service, Evil Book, Across the River, Killing Gs, Short II, Hypertrees, Lucky Days, Colorful Chain, Generalized Arithmetic Progression Free Sequence, Team Formation, Ambidextrous Chefs, Permute Digits, Lame Queen Game, First non-Palindrome, Chef Travel Routes, Moving Coins, Subanagrams, Lucky Count, Lucky Number, Houses and Restaurants, Restore the Recipe, Graph on a Plane, Buying Candies, Gap Filler Game, Lucky Sum, Lucky Array, Ciel and Quiz Game, Ciel and A-B Problem, Ciel and Battle Arena, Ciel and Random Walk, Can you do it better, Dynamic GCD, Little Elephant and Median, Lucky Long, Card Shuffle, Find a Subsequence, Parallel Computing, Smart Chef vs Evil Chef, Favourite Numbers, Free Shuttle Service, Flight Distance, Collision in Space, Makx Sum, Remys last tour, Moving between Floors, Zeta-Nim Game, Authentication Failed, Bears and Bees, Word Couting, Careful Calculation, Home Delivery, Count of Maximum, Spoon in Matrix, Fit to Play, Daily Train, Equation Solver, Simultaneous Nim, Little Elephant and Filling, Ciel and Earthquake, Little Elephant and Product, Xor it, Lucky Balance, Little Elephant and Order, Magic Trick, Double Strings, Jewels and Stones, Ciel Numbers I, Ciel Numbers II, Ciel and Genjiko, Two Magicians, Find a special connected block, Substrings on a Tree, Little Elephant and Balance, Little Elephant and Swapping, Little Elephant and Strings, Stacking Pancakes, Little Elephant and CNSes, Lucky lucky number, Greatest Dumpling Fight, Ciel and a new island, Pizza Tossing, Similar Graphs, Selling Tickets, Divisible Pairs, Little Elephant and Alcohol, Little Elephant and Magic, Little Elephant and Candies, Andrew and the Birthday, Little Elephant and Movies, Little Elephant and Mouses, Little Elephant and Painting, Little Elephant and Blocks, Little Elephant and Colored Coins, Selection for Training Camps, Top Batsmen, Remember the recipe, Magic Hull, Expected Maximum Matching, Lights, Crease Painting, Resistance, Little Elephant and Bamboo, Little Elephant and Boxes, Little Elephant and Cards, A Home for Chef, Little Elephant and Exams, Chef's Dream, Best Buggy Ratings, Kisses & Hugs, Remy paints the fence, Little Elephant and Bombs, Little Elephant and Music, Doom Bakes Cakes, Cool Numbers, Fierce Battles, Fly-overs, Lucky Driving, Little Elephant and Balloons, Little Elephant and Lemonade, Chef World, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Game Count, Arranging Cup-cakes, Restaurant Rating, Event Organizer, Music & Lyrics, Equivalent Suffix Tries, Little Elephant and Lucky Segment, Closing the Tweets, Prime Permutations, Connecting Soldiers, Golden Trees, Eastern Draughts, Gifts at Olympics, Addition chains, Alien Chefs, Matchsticks, Block Game, Range of Data, Delivery Boy, Racing Horses, Ciel and Receipt, Ciel and Map, Ciel Numbers III, Ciel and Tomya, Maximum Sub-rectangle in Matrix, A Game of Thrones, Queries About Numbers, Machine Gun, Knight Moving, Peaceful Calculator, Witua and Math, Sereja and Data Structures , A Wonderful Chocolate, ChefTown Parade, Annual Parade, Rebuilding Byteland, Blade Master, Three is Crowd, Codechef Password Recovery, Forced Output, Code Crazy Minions, Random decreasing function, Asmany Number Verification, A New Door, The New Scheme, Delicious Dishes, Chef Game, Dividing Products, Candy Collecting Game, Granama Recipes, Arigeom Beats, Coin Flip, Recipe Reconstruction, Carvans, Coal Scam, Buy1-Get1, Book Exercises, Jam Board, Room Corner, Tourist Translations, Hotel Balifornia, Max Circumference, Ciel and password cracking, Need More Diamonds, Magic Rankings, Martial Arts, Different Trips, Many Left, Little Elephant and Permutations, Sridhar Likes Travelling, Buying Sweets, Equalization, The Uncountable Ways, Rearrangement, Tennis Tournament, Magic Board, Tree Fun, Little Elephant and Divisors, The Minimum Number Of Moves, Arithmetic Progressions, Pizza Delivery, Barcelona Gameplay Tactics, Quasi-Polynomial Sum, End Of The World, Triangular Queries, Tree Counting, WordNinjas, A Fence for Byteland, Game on a Grid, Expected Greatest Common Divisor, Root of the Problem, Packaging Cupcakes, Reversing directions, Collecting Magical Berries, Lucy and the Flowers, Longest Article, Cucumber Boy and Cucumber Girl, Chef of the Year, Climbing Stairs, ChefGame, Vacation, Festivals, Observing the Tree, Approximately, Queries on tree again!, Needles and Pins, Word Play, Minimum Distance, Many Chefs, Defacing Score, Making Change, Three Different Numbers, Efficient Painting, Chef Protection Plan, Final Battle of Chef, Merciless Chef, Snape and Ladder, Kingdom Unity, The Ball And Cups, Palindrome, Traveling Plan, Level Of Difference, Hello Hello, Fire Escape Routes, Lack of Logic, Row and Column Operations, End Of The World 2, Fault Tolerance, Bishops, Password Cracking Challenge, Minesweeper, Hotel Balifornia 2, Maximum Weight Difference, BiCo Gaming Grid, Helping Lira, String Query, Levy Conjecture, Cylinder, Inverse Binomial Coefficient, Superpowers of 2, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip, Save The Princess, Just Some Permutations 3, Andrew and the Meatballs, Andrew and the Strings, Dessert Wizard, Mountain Holidays, Mountain Holidays 2, The Number Of Solutions, Galactik Football, Two k-Convex Polygons, Andrew and the Balls, Count Special Matrices, Andrew and the Meatballs again, Predictopus, To challenge or not, W String, 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 Walking on the rectangle , Chef and Segments, Chopsticks, Compressed String, Counting The Important Pairs, A Plus B Again!, Very Long Suffix Array, Sequence Transmission, Maxim and Dividers, Maxim and Progressions, Sereja and Game, Sereja and Commands, Count K-Primes, Attic Crossing, Lyra and the Alethiometer, Sereja and two strings, Sereja and Ballons, Online Shopping, Tywins Tactics, Number of Factors, Transfiguring Trees, Party Planning, Sereja and Sorting, Sereja and Graph, Sereja and Transformation, Deleting numbers, Circle of death, Prime Distance On Tree, Draughts, Greedy Trip, Chef and Integers , Gangsters of Treeland, Tasty Dishes, Splitting Candies, Cooking dishes, Paying optimally, Optimal Trip, Travelling Chef Problem, Project Spoon, Counting The Acute Triangles, CAO Stage-1, CAO Stage-2, CAO Stage-3, Pairwise AND sum, Matrix, Sorting, Safe Routes, Three-Degree-Bounded Maximum Cost Subtree, To Queue or not to Queue, Entangled Strings, Two Roads, Chef and The Recursive Algorithm, Yet Another Nice Girl, Chef and Magic Numbers , Chef and The Colored Grid, Sereja and Snake, Chef and The Right Triangles, Chef and The Divisibility Queries, Chef and The String of Digits, Yet Another Cute Girl, Edit Distance on Grid, Counting D-sets, Fibonacci Number, Strange Matrix, Chef and Gift, Chef and Pie, Sereja and Progressions, Factorisation, Sereja and Sorting 2, Game, Kamehameha, Tree, Sereja and Vectors, Sereja and Dividing, Chef and Science, Code, Polo the Penguin and the Lucky String, Big Number, Art in Digital Age, Polo the Penguin and the Numbers, Polo the Penguin and the Test, Queries With Points, Polo the Penguin and the XOR, Cube Cakes, Uncle Johny, Square Digit Squares, Missing some chairs, Chef and Codes, Girl Friend and String Gift, Combinatorial Numbers, Black and White Tree, Polo the Penguin and the Tree, Lucy and the Number Game, Lucy and the Math Analysis, Lucy and Palindromes, Exponential Game, Chefs in Queue, Petya and Sequence, ForbiddenSum, Number Mirror, Am I a Fibonacci Number, Lowest Sum, Number of Paths, Trees and Subtrees, Rank of the Number, Lucy and Question Marks, Funny Marbles, Magic Pairs, Make Him Happy, Reign, Rectangular Queries, Sereja and Shuffling, Query on a tree VI, Chef and Substrings, Sereja and Permutation, Chef Goes Through Segments, Meteor, Chef and Favourite Sequence, Perfect Subarrays, Mike and Task Packages, Reign 2, Byteland Tours, Mike and Matrices , SuperFunction, Counting Matrices, Bon Appetit, Please like me, Chef and Girlfriend, Chef and Combinatorics, Chef and Feedback, Chef and Strange Graph, Graph Challenge, Count on a Treap, Team Split, Longest Common Pattern, Little Elephant and Subarrays, Farmer Feb, Chef and the Cake I, Chef and the Cake II, Chef and the Orders, Colored Array, Chef and Functions, Chef and Shop, Chef and String, Chef and Numbers, Cards, bags and coins, Subtraction Game, Interrogating Gangsters, Compilers and parsers, Chef and Way, Binary Tournament, Walk, Garden Game, Maximum number, GCD condition, Chef and Magic Arrays, The Street , Little Chef and Numbers, Mike and Stamps, A Story with Strings, Chef and Remissness, Chef and Kingship, Chef of The Ancient, Chef and Uniqueness, Dynamic Trees and Queries, Chef and Reunion, Game of Divisors, ABC-Strings, XOR Minimization, 3-Palindromes, Sereja and Two Arrays, Sereja and ASum, Chef and Graph Queries, Make It Zero 2, Sereja and D, Sereja and Arrays, Chef-jumping, Chef and Digits, Alok-nath and His Sanskars, Little Elephant and T-Shirts, Distant Relatives, Dividing Stamps, Divide the Tangerine, Substrings and Repetitions, Make It Zero 3, Book Game with Chef, How many sequences, Nice SubSegments, A Game With a Sheet of Paper, Fun with AGp, Statements Checking, Chef and Reversing, Chef and Frogs, Chef and Ground, Sereja and Subsegment Increasings, Chef and Chain, Chef and Segment Game, Chef and Digit Jumps, DARTS501, Chef and Tree Game, Chef and Rainbow Array, Sereja and Bubble Sort, 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 Swaps, Chef and Left-Right, Chef and Words, The Malaysian Flight Search, Chef and Painting, Chef and Square, Chef and Rectangle Genome, Divide the Cake, Ups and Downs, Tree Game, Stone, Two Companies, Count Substrings, Count Permutations, Count Sequences, Minimum Product, Minion Circle, Knight Fork, Tracy and Charlie, Count Substrings, Guessing Game, Permutation Shuffle, Build the Tree, Team Sigma and Fibonacci, Reach The Point, Dish Owner, Divisible Subset, The Leaking Robot, Lucky Game, Approximately II, Roots of a Tree, Addition and Multiplication, Brand New Game, Forgot Password, Lucky Fives, Game of Numbers, Queries on the String, Where the Wild Things Are, Time to Study Graphs with Chef, Counting Flags, Knapsack Problem, Painting, Idols and Fans, Sherlock and the Grid, Substring Query, Coprime Triples, The Smallest Pair, Dynamic Inversion, Subarray GCD, Subarray LCM, Chef and sequence, Fibonacci Numbers on Tree, Push the Flow!, Earthquake, And Operation, Shift The String, Lowest Common Ancestor, Simple Editor, Rectangle Query, Cleaning Tables, Copy-Paste, Present for Andrii, Sum Queries, Tree Again, Chef and Gift, Friends, Chef and Array, Fun with Rotation, Fombinatorial, Flooring, Divide or die, Harrenhal, Wall, Iron Islands, Dragonstone, Children Trips, A wolf, a sheep and cabbage, Maximum Difference Walk, Shooting, Paint the Tree, Deja Vu, Count Digits, Chef and Strange Formula, World War 2, Tanu and Head-bob, Union on Tree, Servers, Jam, Chef and Intersection Line, Chef And Fibonacci Array, Sereja and Stones, Sereja and Order, Sereja and Matrix Division, Sereja and Number Division 2, Sereja and Game 2, Sereja and Permutations, Magical Girl and Colored Liquid Potions, Chef and Job and Rest, 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, Steady tables, Kali and Devtas, The Dirty Path, Distinct Characters Subsequence, Chef and Red Black Tree, Chef and A Large Permutation, Chef and Notebooks, Walk on the Axis, XOR with Subset, Substring and five rules, And Tuples, Physics Class, Let us construct palindrome, Chef and a great voluntary Program, Chef and Churu, The Spelling Problem, Matrix Again, Player, Course Selection, Chef and Strings, Sereja and Two Strings 2, Mahesh and his lost array, Sereja and Salesman, Chef and Apple Trees, Cascading Style Sheets, Sereja and GCD, Sereja and LCM, Covering Sets, Lost Graph, Most Distant Points, Brackets, Petersen Graph, Sereja and GCD 2, Chef and Keyboard, Chef and Problems, Chef and Stones, Good galaxy, Yet another substring problem, Zombinatorial, Dividing the Students, Parenthesis with Maximum Sum Subarray, Special Shortest Walk, Embedding, Sereja and Random Array, Sereja and Two Lines, Sereja and Votes, One Dimensional Kingdoms, Payton numbers, Xor Queries, Delivery Man, Sum Of Binomial Coefficent , Queries On Tree, String Matching, Bread, Ranka, Random Number Generator, Good Joke!, Devu and his Class, Fit Squares in Triangle, Piece of cake, Candidate walk, Just multiply, Many bananas, Gcd Queries, Sign Wave, Xor Matrix, Jigsaw Puzzle Solving, Chef and Equality, Devu and Locks, Chef and Interview, Chef and Strange Operations, Lucky Four, Heavy-light Decompositions, The Warehouse, The First Cube, Broken Telephone, Inversion sorting, Filling the maze, Big Queries, Matrix, 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, Andrash and Stipendium, Devu, his friends and birthday gifts, Chef and Memory Limit, Way Out, Chef and Prime Divisors, Chef and Inflation, Chef and His Garden, Division of Lands, Chef and Piano Scales, Little Party, Chef and Polygons, Set Difference , Black-white Board Game, How to Minimize a String, Devu and a light discussion, Chef and new recipe, How to Choose a Subset, Chef and Balanced Strings, How to Write a Message, Shopping, Devus and their voting system, Palindromeness, Saving a gift of love, Chef and Cake, Painting the Boxes, Chef Anup, No Unpaired Chefs, Special Agents, Taxi Driver, Equality, Version Control System, Social Cluster, How to Repaint a Fence, How to Operate a Robot, House Cleaning, Euler Totient Function Extended, Tickets, Chef and Friends, 3D Queries, Counting on a directed graph, Another Fibonacci, Anticommutative implication, Ankit, Srijan and a game of stone piles, Gravity Guy, MasterChef, Devu And Churu , Polygon & Circles, Chef and String, Na2a and lucky stone, Chef and Cube, Rohith and Circles, Special Economic Zone, Fighting Ebola, Devu and Grapes, Maximum Matching, Devu and Manhattan Distance, Nikitosh and Sauron-tetrahedron, Chef And Hungry Birds, Chef and Yoda, 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, Ingredients, GCD and LCM, Second Largest, Small Factorial, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Chain of Doughnuts, Chef and Dolls, Nikitosh and xor, Number of Ways , Chefbook, Connect Points, Devu and friendship testing, Rupsa and the Game, Devu and decorating birthday cake, Devu and most energetic minion, Train Partner, Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Devu, his sister and Rangoli, Bored of Nim, Cooking Machine, Time measure, VS and his marking scheme, Chef and Table Tennis, Longest non regular parentheses sub-sequence, Adding Special Sum, Churu and Balls, Count Subarrays, Count Steps in Matrix, Strange operations, Easy exam, Chef and Bitwise OR Operation, Adding Up Sequences of Towers, Greedy puppy, Puppy and GCD, Puppy and Palindromes, Puppy and game, Chef and Sets, Aditi and Magic Trick, Dividing Machine, Chef and insomnia, Terrible vectors, Bank robbery, Future of draughts, Chef has a Spaghetti Garden, Chef And The Hiring Event, Fenwick Iterations, Simple Queries, Chef and Path, Chef and Segments, Puppy and cats, Who dares to be a millionaire, Chef and Rectangle Array, Receipt Recovery, Lighthouses, Counting Subgraphs, Forgotten Language, Cracking the Code, Chef and collection of stamps, Chef and cinema, Chef and Matrix Division, 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, Chef and Making Triples, Cyclic shifts in permutation, Eugene and function, Chef and the Wildcard Matching, Capital Movement, Gaming Inversion, Make Palindrome, Minimum Maximum, Rupsa and Equilateral Triangle, Easy Queries, Coffee Breaks, Many Lists, Pattern matching, Misha and Gym, Sum of palindromic numbers, Rectangles of Love, Yet Another Problem About Sequences, LCM equation, Super Numbers, Jump mission, Simple Sum, Stacks, Efficient Delivery, Asteroids, Cyclist Race, Plane Division, Period on tree, Scrabble on a Graph, emitL, Save the nature, Fast squarer, Decompose the Tree, Estimating progress, Oracle Devu and Longest Common Subsequence, Misha and Permutation, Mahasena, Chef and Filters, Palindrome Pairs, Second LIS, Factorial to Square, Word Stem, Almost Sorted Permutation, Chef-Detective, (Challenge) Chef and Palindromes, Processing a string, Chef and Circle Run, Chef and Array and K, Chef and Tetris, Matrix Maximum Sum, Chef And A Complete Graph, Chef and Girls, Mutated Minions, Computer Network, Ancient Berland Roads, Trip and Palindromes, Chef and Destruction, Chef And Palindromes, Buying Seedlings, 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, Sereja and Tree 2, Chef and Maximum Sum Matrices , Product on Tree, Chef and Sign Sequences, Chef and Sub Array , Tanks, Urban Development, Sereja and Functions (Challenge), Sereja and Permutations, Chef and Cycled Cycles, Amazing Experiment, Floor Distribution, Dai Ma Chu Shi, Chef and Pick Digit, Chef and Time Machine, Chef and Subarrays, Chef and Queries, Chef and LCS, Chef and Tree, Chef and Vectors, Peaks, Mario and Luigi, Call Center Schedule, Devu and Perfume, Exponential Sub-Palindromes, Table Covering, Triangle Classification, Chef And Binary Operation, Chef and Fruits, Help Watson Escape, Fibonacci Queries, Malvika is peculiar about color of balloons, Puppy and Triangles, Puppy and Catchers, Chef and digits of a number, Not even planar, Digital clock, Dual Nim, Alternating subarray prefix, Chef and Number Guessing, Faded Palindromes, Gift and Chef, Chef and Socks, Chef and Tic-Tac-Toe, Chef and Polygons, Chef and Dominating Subarrays, maximize the sum, Chef and Big Matrix, Chef and math, Parity tree, 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, Chef and cities, Forest Gathering, Two Closest, Arrays Sum, Simple Statistics, ABABAABA, Ada and crayons, The potato problem, Devu and good strings, Chef And Magical Path, Power Sums, Chef And Coloring, Maximum K Sums, Game of snakes on a grid, Movie Weekend, Odd Divisors, Queries on a Binary Tree, LCP Maximization, Bit Twister on a Tree, Chef and Amazingness of Numbers, Tree Coloring, Optimal Shopping II, Cooking Schedule, Eugene and big number, Chef and Round Run, Tree Labelling, Chef and Soccer, Cats and Dogs, Chef and Big Soccer, Laddu, Coins And Triangle, Akhil Recovers The Lost Array, Roads in Stars, Chef and Direction, Misha and Geometry, Akhil And Colored Balls, Akhil And Pending Homework, Chef and special numbers, Phantasialand, Easy Numbers, Tandem, Maze, Devu and an Array, Evaluate the polynomial, Funny gnomes, Akhil And Random String, Primitive Queries, Kitchen Timetable, Sticks, Right Triangle, Chef and Robots Competition, Chef and Sad Pairs, Different Neighbours, Cutting Cake, Chefland and Electricity, Interval Game, Chef and Two String, Collisions, One more weird game, Square in numbers, Chef Land, Range Minimum Queries , Chef and Mover, Travelling in a tree, The New Restaurant, Chef and Polyhedron, Defend the Recipe, Scheduling jobs on a cluster, Maximum Grid, JosephLand, Chef and Guard Towers, Kirito in Memeland, Chef and Proportion, Chef and Numbers, Chef and Land, Chef and Array, Chef and Sort, Chef and squares, Chef and Tree, A Good Problem, Sebi and the equation 2, Sebi and the cube, Alice, Tweedle-Dee and Tweedle-Dum , Math Hatter, Mock Turtle, Queen of Hearts, Chef and calculation, Will and Closed Set, Drumpf for President!, Lumpy - The Bus Driver, So Close Yet So Far, Digit Longest Increasing Subsequences, Studying Alphabet, Short in Average, Product of Diameters, Lock-Free Stack, Xor Grid, Matrix Transformation, Chef and Cut, Completing favorite game, Kth Max Subarray, The Lost Arithmetic Sequences, Counting Strings, Shortest path queries, Chef and Inequality, Chef and Triangles, Chef and Tree, Find The Point, Chef and Bike, Chef and Digits, Persistent oak, Chef and Finding Direction, Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Sherlock Counts Ways, Tree Balancing, ChefWatson uses Social Network, Sherlock and Smallest Window, FastFood Combos, Bear and Shuffled Points, (CH) Serejs and Billiards, Sereja and Circles, Sereja and BOX, Sereja and Permutations 3, Sereja and Ways in the Cube, Task for Alexey, Sereja and Increasing subsequence, The Largest Bouquet, Sereja and Inversions, The Counties, Download file, To add or to multiply game, Hill Jumping, Kirito in labyrinth, Sebi and the highway, Sebi and the black money, Edit Distance Revisited, Roses for Alexey, Sebi and the corrupt goverment, Advanced Cooking Machine, Chef and his Students, Chef and Square Set, Our Base is Under Attack, Chef and Balanced Polygons, Tom & Jerry, Bear and Three Colours, Coprime 6-tuples, Chef and Subset, Chef and Subarrays, Chef and Queries, Chef and Numbers, Rebel rescue, Superheroes and villains, Fly height mode, MST Queries, Subtree swapping, Chef and Circle, Fantastic Four, Chef and Array (Challenge), Digits Cannot Separate, Reservior, Tourists in Mancunia, Sealing up, Nothing in Common, Improve the Permutation, Chef and Triangles, Digit Longest Increasing Subsequences 2, Sum of distances, Mixing flavors, Chef and his Best Friend, Chef and His Apartment Dues, Most Frequent Element, Path Triples On Tree, Irrational Root, Gerrymander, Alice and her garden, Chairs, Cooking Game, Pishty and birthday, Bear and Random Grid, Bear and House Queries, Bear and Milky Cookies, Chef and Divisor Tree, Bear and Bribing Tree, Bear and Cat Trap, (CH) Bear and Sorted Rows, Bear and Oveflow Points, Second Max of Three Numbers, Logan and his XOR debacle, X-24 and his SUBSET code, Logan and his STRING dilemma, Charles and the BRUTAL subsequences, Logan and his ARRAY Queries, Laura and her QUERIES On Tree, Long Sandwich , Best Triangle, Deadpool and his COOLEST Problem Ever, Professor X and Grouping of Numbers, Logan and DIGIT IMMUNE numbers, Bear and Haircut, Bear and Species, Bear and Almost Row, Cards Game, Worst Case Analysis, Watermelon Farmer, Shubham Loves Maths, Infinite Graph, Tree Obsession, Chef and Prime Queries, Stable market, Pishty and tree, Heavy-Light Decomposition, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes, The Birthday Tears, Game Of Life, Max Out, Christmas Time, The query problem, Solve the Assignment, Help your friends, Bear and Xor of Sums, Bear and Shop Trip, Bear and Candies 123, Bear and AB, Saboteur (Challenge), Bear and Digit Virus, Bear and Segments, Closest points queries, Bear and Segment 01, Multiplication Program, Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences, Chef and Battleship, Painting Tree, Euler Sum, A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Snake Procession, Chef got Recipes, La Liga, Balanced Array, Hussain Set, Nasty Queries, Binary Tree, Hasan and boring classes, Sticks, Knight Covering, A Study in Bake Street, SnackUp, Centeroid, Chef and Universe, Pairwise union of sets, Company Club Membership, Maximum Unique Segment, Two Numbers, Company and Club Hierarchies, Tree Expectancy, Hit the Coconuts, Chef and Isomorphic Array, Whats in the Name, Servers (Challenge), IPC Trainers, Two Coins, Queries on Matrix, Walks on the binary tree, Minimum Good Permutation, Find the Maximum Value, Good Pairs, Travel to all Points, Divide the Set, Palindromic Game, Mathison and the Data Warehouse (Challenge), Greedy Candidates, Strings and Graphs, Sum of Cubes, Querying on a Grid, Flower Pots, Weasel does Xor on Tree, Weasel finds Staircase, Mathison and the Dynamo shuffle, Fill The Matrix, Tree Connectivity, Game on Stick, Matrix and Chef, Real obtuse, From heaven to earth, Product on the segment by modulo , 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leaves, A humongous Query, Skiing, Online Chess, Random Pair, Smart Strategy, Shuffling, L-R queries, Strange Queries, Chef And his Cake, Chef, Leonardo And Queries, Lucas Theorem, Chef And Easy Xor Queries, Four Friends, Penalty Shoot-out, Rotate Point, Red and blue points, Chef and Hamming Distance of arrays, Vaibhav and Ministers, Chef And Land Labeling, Simplify the Square Root, Killjee and k-th letter , Far Graphs, Beautiful Array, Football Match, Chef and Interval Painting, Chef at the Food Fair, K-Concatenation, Maximum Score, Chef Cuts Tree, Rectangle, String Merging, Partition the numbers, Multiple of 3, Make array great again, Chef and Game with Sequence, Finding the matrix, 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, Chef and odd queries, Points Inside A Polygon, Mighty Friend, Chef and Easy Problem, Car-pal Tunnel, Cutting Plants, Chef and Gcd Queries, (Challenge) Biased Committee, A Big Sale, Permutation and Palindrome, Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line, Chef and Chefcoin, Matrix Game, Stingy Strings, Maze Love, Replace and Substring Queries, Raid Systems, S Semi-palindromic, Maximum Tree Path, Couples sit next to each other, Prefix borders, Game with numbers, Jumping in the hills, Mix the Colors, Chef and Glove, Series Sum, Minions and Voting, Minion Chef and Bananas, Embedding a Tree (Challenge), Harry in the Chamber of Secrets, Help Voldemort, Hedwig The Smart Bird, Room Of Requirement, Harry Potter and the Goblet of Fire, Harry Potter and the Deathly Hallows - 2, Deathly Hallows and The Cloak Of Invisibility, Wingardium Leviosa, Weight of Numbers, Chef Goes to the Cinema, Chef Restores an Array, Chef Chooses a Subset, Chef Restores a Matrix, Chef Judges a Competition, Sam, The Charming Angel, Correct Bracket Sequence, Highway Crossing, So Straight, Count Nodes, Split Sums, Change the Signs, A Game of Game, High Interview, DP Made Easy, Strange Swaps, Function Function, Chef and Same Old Recurrence, XD Subsequences, Subsegment Sum, Y Figures, Xorangements, Useless Clocks, The Kingdom of Exodiastaan, Another Deli-ceilous problem!, Pappu and DFS, Strings, AND Square Subsegments, Fibonacci String, Edges in Spanning Trees, CPI Crisis, Sum of Primes, Minimum Deletions, Longest Constrained Subsequence, Count Good Prefixes, Average of Pairs, Workers, Xor Again, The Deadly Sin, Computer Virus, Candy Love, Killing Zombies, Vision, Chef and Replication, The Kingdom of Ererraveth, Triangles in a Grid, Chef and Same Old Recurrence 2, Immortal Frieza, Majin Vegeta, Dr Geros lab, Krillin is dead AGAIN, Perfect Necklace, Greenhouse and Plants, Run Direction, Cut the Board, Binary Nim, Pawn Chess, Chef Goro, Hamel Paths, Broken Heart , Two vs Ten, The hardest gcd problem, Triple-tree decomposition, Solve what you want, Fast forward travelling, Darts, Defeating Beerus, Cricket Score, Not a Convex Hull 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Strings, Chef and Difficult Contests, Chef and Happiness, Truth and Dare, Beautiful Garland, A-B Game, Elephants in a Pond, (Challenge) Delete DAG, Colorblind Feast, Largest Increasing Subsequence, Subtract Leading Digit, Cutting Pizza, Antimatching, Max and Electrical Panel, Directing Edges, Edge Addition, Useful Number, Median, Maximize It, Probability, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Event, Chef and An Ideal Problem, Beats and Pieces, Chef and Working Plan, Partition the Graph, Lucky Number Game, Play Piano, Count Subsequences, Camp Or Not, Swag Subsets, Yalalovichik Numbers, Yalalovichik Strings, XOR! Wait for it, Shops in Mirzapur, Return of the Gargoyle King, Print Pattern, Choosing from Buckets, Drawing Lines, Maximize the NOSS, Ross goes for Shopping, Summation over nCr, Jake and His Halloween challenge, Sherlock and His Device, Find Best Path, Age Calculator, Distinct Pairs, Maximum Distance, Party, Chef and Modulo Game, Fancy Quotes, (Challenge) Chef and Matching Game, A Pizza Slice, Curing Kingdom, Ada King, Ada Matrix, Ada Rooks, Manhattan Rectangle, Distances, Wanderer, Rooks, Mouse Meets Cheese, The Nights Watch, Bus Station, Offer for Chef, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Xor Decomposition, Appy and Contest, Yet Another Tree Problem, (Challenge) Chef with Orchestra in the Kitchen, Cheating on Queue, Art of Balance, Deputy Chef, Maximize the Tax, Sonya and Tree, Bathwater, Tennis, Metro, Max Range Queries, IPL and RCB, Chef and Secret Password, Perfect Tree Problem, The Most Amazing Dish, Chef in Evil Land, Up for a Game, Buying New Tablet, Chef and Party, Chef and Number Game, Roll the Bar, Families of Chefland, Create Permutation, Average Number, The Tricky Deal, Chef Challenge, Treasure Hunt, Yet Again a Subarray Problem, Paths, Chef and a Beautiful Digit, Matchable Permutations, Kira Loves Palindromes, (Challenge) Interleaving Strings, Mininum XOR over Tree, XOR N-bonacci Sequence, Cats and Rats, Points and Convex Hulls, UEFA Champions League, Markers and Caps, The Frictionless Bisected 2-Dimensional World, Playing with Numbers, Misplaced Signs, Friend or Girlfriend, FlatLand, Too Many Candies, A Weird Device, Music Shopping, Earning A Profit , Optimal Splitting, Helping Dustin, Greg and Grid, Arya and the Grid of Stars, Subtree Removal, Fencing, Cersei and her Soldiers, Endgame, Corrupted Seven-Segment Display, Tree Flow, Testing Robot, Pogo Stick Competition, Travelling Saleschef, GCD Subsequences, Partition into Permutations, Game of Theory, Winter Is Here, Our Enemy does not Tire, Moving Rectangles 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Intersecting Paths, Sum and GCD, Tree Sequences, Forgotten Tree 9, Fuzzy Conversions, Zawad and Index Sum, Chain Reaction, Guess the Prime!, Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor, Recover the Sequence, Nearest Color, Searching for a Biclique, Parity Again, Dilemma, Codechef War, Easy Fibonacci, (Challenge) SnackDown 99, Chef and DAG, Biladerim Icin, Nice Subsets, Physical Exercise, Maximum and Minimum, Maximize an Expression, Circular Merging, The Secret Recipe, Multiple Choice Exam, (Challenge) Codechef War II, Ants and Anteaters, Chef and Gordon Ramsay, Eat Twice, Drink Slush, Beauty of Pairs, Ping Paja Pong, Chef and Mean , Beauty of Segments, Hard Sequence, Magda and Silly Pairs, The Grux Permutation , Gii and His Club, Igzi and Burly Array, Complement Spanning Trees, Ivan Pesic and His World Tour, Football, Distribute Apples, Zombie and the Caves, Birthday Gift Again, War in Treeland Again, Minimum and Maximum, Playing with Strings, Magical Menu, Expected Product, Two Variables, Fuzzy Linear Combinations, Missing Number, Delete a Subarray, Easy Math, Two-lane Road, Equal Median, Swapping, Expected GCD, A - Books, Bacterial Reproduction, E - Guess the Number, B - Candy Love, Smallest Beautiful Number, D - Break the Rules, F - Random Strings, Chef and Dynamo, C - Chef and Maths, Magic Permutations, Doofish Set, Warriors, Dodgers, Power Sum, Rich Substrings, Chef Designed a Network, Chef and Pepperoni Pizza, Friends and Candies, Two Circles, Chef Drinks Coke, The Biggest Restaurant, Chef and Interesting Subsequences , (Challenge) Sebi and CPU Design, Eidi Gift, Equal Average, Destroy Cells, Plus Multiply, Chef and Trip, Chef Does Coke Yet Again, Array Modification, From Zero to Infinity, Binary XOR, (Challenge) Maximizing LIS, Binomial Fever, Save Jewels, Angry Grandfather, Palindromes Machine, Operations on a Matrix, Phone Prices, Hiring Chefs, Fitness Exercises , Two Groups, Playing with Matches, Weird Modulo Problem , Dipole Moment, Faulty System, Tennis Tournament, Chef Feeds Cats, Chef and Football Match, All Substrings, Ice Cream Queue, Treeversion, Apples and Oranges, Chipped Tree, Anay and Polynomial, Yet Another Partition Problem, Find the Sum, Single Point of Failure, Doraemon, Winning Ways, Easy Subsequence Selection, Minimum and Maximum, Weapon Value, Scoring Pairs, Chef and Minimum Colouring, Pretty Boxes, Doofish Matrix, XOR Engine, D-Function, Moonwalk, Cakewalk, Medel, D-Value, Expected Number of Customers , (Challenge) Coloring Triangulations, Hidden Sequence, D-Or, Full Barrier Alchemist, The Promised Land, Grumpy Granny, Equivalent Exchange of Triangles, Recipe for Philosopher Stone, Invincible Shield, Sticky Notes, D-Dart, Transmutation Diamonds, Counting Inversions Again!, Double Distance Query, Box Game, Counting Inversions Revisited, How much Scholarship, Stick and polygon, Black-and-White Tree, Signature, The Challenge Day, Chef Diet, Robots in Chefland, Test Generation, Equality, Chefina and Prefix Suffix Sums, Team Trees, Planting Trees, (Challenge) Cubical Virus, That Is My Score!, Pizza or Broccoli , Washing Windows, Compress the List, Perfection, Servers, Addition, English, Army of Me, Break, Ada Bishop 2, Breaking Bricks, Change It, Purify It, Xor It, Crash It, Make It, Cumulative Palindrome Count, The Inexplicable Giant Floating Baby Head, Decorate It, Banana String, Corruption in Freedonia, Gru is Handing Out Bananas, Chefland Army, Gru and his Robbery of Mars, Minion AND Range, (Challenge) Building Anthills, Tree Query, Almost Palindromic, LCM Constraints, The Evil Professor, Stupid Machine, Check Algorithm, Frequency Function, Guess the number, Chef and String, Chef and Walk, Chef and Rotation, Chef and Or, Chef Chick, Exam Cheating, Maximum Subsequence Sum, Perfect Power Divisors, Profitable Paths, Winning Ways 2, Is it Sorted or Not, That is the Question, Recruit Villagers, Balancing Network Revisited, Count It, Range AND, Chefina and Sums, Lasers Everywhere, Buying a New String, Chef and Gordon Ramsay 2, The Theatre Problem, Construct Array, Bob and His Friends, Chef and Street Food, CCDSAP Exam, Under the Tunnels, Inverse of a Function, Lasers Everywhere Alternative, Folding Paper, Pintu and Fruits, Chefina and Swap, XOR Game, Polygon Chain, Sweetest Candy , Lavanya Loves DFA, Are These Equal, Is This a Long Challenge, Swap Sort, Conservative Graph, Mr Pr in a Dilemma , Is This JEE, Chef and Pepperoni Pizza Again, Chef and Subsequences, Penalty Shoot-Out II, Tax Slabs, A Leisurely Journey, Button Pairs, Base Plans, Joined Subarrays on Tree, Triple Sort, (Challenge) 300 IQ Ants, Find maximum in an Array, Blocks, Mercury Poisoning, Escape, Optimal Memory Address, Good Subsequences, Egg-free DAG, Binary Land, Painter Problem, At the Gates, Swapping to Palindrome, Not All Flavours, Monsters Battle, Secret Mission, Line Line Line Graph, Sorting Vases, Mysterious Sequence, Find Your Gift, A Tree to Remember, Box of Chocolates, Maximize Letter Beauty, Random Chocolates, Escape the Tree , Easy Geo xD, Not a Real World Problem, Chef and Array, Chef and Dragon Dens, Cool Subsets, Coronavirus Spread, Chef and Rainbow Road, Chef and Bitwise Product, Maximum GCD Subset, Tower Counting, The Gifting Problem, Matrix Decomposition, Lift Requests, Simple Operations, Inversions in Permutations, (Challenge) Nanobots, Xor Counting, Profitable Paths 2, Precise Pairing, Move the Coins 2, Maximum AND, Dot Time, Insanely Hard School Exams, Xor Jar Muluk Tar, Triangle Query, Another Birthday Present!, Positive Mex, Jumping Fever, Chef and Numbers, Precise Bipartite Pairing, Isolation Centers, Chef in Fantasy League, Chef and Recipe, Impressing Chefina, Chef, Chefina and Their Friendship, Chefland Squads and the Army Chief, Chefina on a Trip, Roads in Chefland, Subsequence Frequency Counting, The Tom and Jerry Game!, Curious Queries, Operations on a Tuple, The Delicious Cake, GCD of the Submasks, Convenient Airports, Guessing Game, Perfect Partitions, Chef and Icecream, Absolute Min Max, Escape One, Chef and String, Weird Walk, Danya and Different Values, Convert the String, Lost Weekends, Tree difference, Golomb Sequence, Weird Product, Expected Repetitions, Chef and Price Control, Cache Hits, Per Capita Income, A Problem on Sticks, Max Mex, Carry Bed, Checkpoints, Expected Spanning Trees, (Challenge) Dynamic Hull, Banned Quotient, Drawing, Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Jeremy gets a gift, Chef and Demonetisation, Chef, Chefina and Restoration, Perry learns Binary, Kuroni and the Cowsheds, Phineas and Marks, Increasing Decreasing, Gold Mining, Square Submatrices, Chef and Card Game, Chef and Strings, Chef and Trump Cards, What Is This, a Crossover Episode, MEX-ception, The In-XOR-able Task, Even-tual Reduction, OR-thodox Distinction, Path-etic Products, I Hate Symbo-LIS-m, Unique Substring, Precious Stones , Cherry and Bits, Cherry and Squares, Cherry and Pyramid, Priya and AND, Traversing Trees, Help Martha, Panic! at the Disco, Chefina and Strange Tree, Priya and Parity, Chef and Modular Sequence, Chef and Steps, Another Card Game Problem, Find XOR, Rotate the Polyline, Maximum Candies, Coloured Pairings, Binary Concatenation , Pairs of Pairs, Chef and Sums, Chef and the Combination Lock, Smallest KMP, Ants (Challenge) , Game on a Strip, Move the Coins - Creating Tests, Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements, Quest for Dragon Balls, Divide Candies, Red-blue Trees, Polygon Relationship, Chef and Work, Chefina and Dishes, Beautiful Subsequence, K-Foldable String, Vibrating Paths (Challenge), Counting Graphs, Ada Matrix, Chefina and Swaps, Mode of Frequencies, Alien Invasion , Elevator, Ratings and Rankings, Coronavirus Spread 2, Balancing Game, Maximise Subsequence Value, Minimum Insertions, Graph Labelling, Bulbs and Wires, Bowling Strategy, Permutation Split, GCD operations, Root the Tree, Connect on a Grid (Challenge), Binary String MEX, Robot Detector, Watermelon, Few Different Elements, Adding on Segments, Inversions, Random Knapsack, Rooted Minimum Spanning Tree, D-Dimensional MST, Compress all Subsegments, Village Road Network, Restore Sequence, Hail XOR, Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, An Inveractive Problem, The In-XOR-able Task, Isomorphic Morphism, Ada and Dishes, Yet Another Crossover Episode, AND Plus OR, Better call Saul!, Magical Candy Store, Los Pollos Hermanos, Empire Business , The One Who Knocks!, Curious Matrix, Chef and Subtree MEXs, Chef Likes Good Sequences, Morosoph Todd, The Chosen One, Selecting Edges, Red-Black Boolean Expression, Chef Is Just Throwing Random Words, Chef and Edge Flipping, Scalar Product Tree, Counting Spaghetti, Unusual Queries, Cute Chef Gift, Iron, Magnet and Wall, Chef and Ants, Frog Sort, Flip the String, Graph Construction, Set Queries, Communication Channel, Hiring Workers, Gasoline Introduction, Xor Compare, Gasoline, Rook Path, Fractions, Circle 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