vjudge7

Practice: 

Prime Generator, Transform the Expression, The Next Palindrome, Factorial, Small factorials, Pouring water, Play on Words, Relevant Phrases of Annihilation, Ordering the Soldiers, Stable Marriage Problem, Poker, Mixtures, Bytelandian gold coins, Ambiguous Permutations, Enormous Input Test, Longest Common Subsequence, Sums in a Triangle, Turbo Sort, Not a Triangle, GCD2, ATM, Help the soldier, The Rise and Fall of Power, Some More Homework, Johnny and the Beanstalk, Spaghetti Monsters, Paying up, SudokuX, Place the mines!, Life, the Universe, and Everything, Paying up, Johnny and the Beanstalk, Primes in the GCD table, Johny the farmer, Curry Stained Napkin, Se7en, Nuclear Reactors, A Bowling Game, A Coin Game, Prime Palindromes, The Lead Game, Permutation Cycles, Best Sums, Discrepancies in the Voters List, Just a simple sum, Modulo, The N Queens Puzzle Revisited, The Best Box, Palindromic Numbers, Maze of Digits, Plant Location, The Matrix Game, Anagram, Palindromic Subsequences, Heroes of Magical Might, Carry, The Next Prime, Edit Distance, Graph Counting, Array Transform, Genetics, Robot Game, Yet Another Number Game, Flipping Coins, Multiples of 3, Squirrel and chestnut, Gravel, Ripple-Carry Adder, Backup Functions, Bombing, Count palindromes, Fetching Cooking Tools, Arranging the Appetizers, Baking Cupcakes, Cleaning Up, A Simple Equation, Product of Digits, The Perfect Chocolate Candy, Birthday Candles, Cooling Pies, Holiday Trip, Odd Binomial Coefficients, Byteknights and Byteknaves, Algebra Express, A String Game, Flu Shot Lineup, Choosing Cook Off Problems, N Knights Problem, One Dimensional Game of Life, Cutting Recipes, Number Game Revisited, Ski Resort, The Morning Commute, Pairing Chefs, Count Relations, Milestones, Coloring Colorable Graphs, Pruning Trees, Holes in the text, Chef team, Whole submatrix, Three Way Communications, The Route, The Key, The Mother-ship, Money Transformation, Palindrome Palindrome, Rectangles Counting, Cipher Text, Parade, Bickering Cooks, Product of Digits Again, A Prime Conjecture, Internet Media Types, Chef Teams, Closest Points, Billboards, Socializing Game around Pizza, Distribute idlis Equally, Correctness of Knight Move, Most Popular Friend, Misinterpretation, Vote for the Noodle Soup, Dish Distribution, Rotate the String, Collect the Chocolate Chips, Robot Movings, Lucky Palin, Chefs new Pet, Sine Partition Function, Polynomial Partition Function, Last Digit Sum, Digit Rotation, Hotel Bytelandia, Evil Book, Divisor Sum, Lucky Days, Generalized Arithmetic Progression Free Sequence, Team Formation, Chef Travel Routes, Sum of Factors, CricInfo, Moving Coins, Subanagrams, Lucky Count, Houses and Restaurants, Ciel and A-B Problem, Card Shuffle, Find a Subsequence, Favourite Numbers, Free Shuttle Service, Flight Distance, Home Delivery, Count of Maximum, Spoon in Matrix, Fit to Play, Daily Train, Combination Generator, Little Elephant and Order, Divisor Summation, Is it a tree, Double Strings, Jewels and Stones, Virtual Friends, Substrings on a Tree, Little Elephant and Strings, Stacking Pancakes, Selling Tickets, Little Elephant and Alcohol, Little Elephant and Candies, Andrew and the Birthday, Little Elephant and Mouses, Little Elephant and Painting, Little Elephant and Colored Coins, Top Batsmen, Expected Maximum Matching, Lights, PRIME, Little Elephant and Bamboo, Little Elephant and Exams, Kisses & Hugs, Remy paints the fence, Fierce Battles, Little Elephant and Lemonade, Gift Rift, Arranging Cup-cakes, Restaurant Rating, Music & Lyrics, Closing the Tweets, Prime Permutations, Connecting Soldiers, Matchsticks, Delivery Boy, Racing Horses, Ciel and Receipt, Ciel and Map, Ciel and Tomya, A Game of Thrones, Machine Gun, Knight Moving, A Wonderful Chocolate, ChefTown Parade, Annual Parade, Three is Crowd, Code Crazy Minions, Find the Goalkeeper, A New Door, The New Scheme, Candy Collecting Game, Coin Flip, Recipe Reconstruction, Carvans, Buy1-Get1, Book Exercises, Tourist Translations, Different Trips, Little Elephant and Permutations, Sridhar Likes Travelling, Buying Sweets, Tennis Tournament, Magic Board, Rat Maze, The Minimum Number Of Moves, Arithmetic Progressions, End Of The World, Presti Digitator, KGP Summers, Tree Counting, Multiples, Subset Sum, Game on a Grid, Expected Greatest Common Divisor, Root of the Problem, Packaging Cupcakes, Chef of the Year, Climbing Stairs, ChefGame, Count the Words, Vacation, Observing the Tree, Approximately, Many Chefs, Three Different Numbers, Final Battle of Chef, Saruman of Many Colours, The Glittering Caves of Aglarond, The Mirror of Galadriel, Merciless Chef, Snape and Ladder, The Ball And Cups, Palindrome, Level Of Difference, Hello Hello, Prime or not, Fire Escape Routes, Lack of Logic, Row and Column Operations, Maximum Weight Difference, Almost Prime, McHefs 3D Logo, Helping Lira, Another Factorial Problem, Superpowers of 2, String Power, ZooZooland Water Shortage, Chef And The Polynomial, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip, Save The Princess, Andrew and the Meatballs, Andrew and the Strings, Dessert Wizard, Mountain Holidays, Mountain Holidays 2, The Number Of Solutions, Galactik Football, SORT, Two k-Convex Polygons, Count Special Matrices, Andrew and the Meatballs again, The Probability Of Winning, Lapindromes, Cool Guys, XOR Sum, Subtraction Game 1, Subtraction Game 2, Chef and Walking on the rectangle , Chef and Segments, Counting The Important Pairs, A Plus B Again!, Maxim and Dividers, Sereja and Game, Sereja and two strings, Sereja and Ballons, Online Shopping, Number of Factors, Sereja and Sorting, Sereja and Graph, Sereja and Transformation, Prime Distance On Tree, Elephant, Draughts, Greedy Trip, Chef and Integers , Gangsters of Treeland, Splitting Candies, Matrix, Sorting, To Queue or not to Queue, Entangled Strings, Yet Another Nice Girl, Chef and The Right Triangles, Chef and The Divisibility Queries, Quadrilateral, Road Map, Number of numbers, Yet Another Cute Girl, Counting D-sets, Fibonacci Number, Strange Matrix, Factorisation, Kamehameha, Tree, Chef and Science, Polo the Penguin and the Lucky String, Game Of Thrones, Polo the Penguin and the Numbers, Polo the Penguin and the Test, Queries With Points, Uncle Johny, The K-th Path, Square Digit Squares, Missing some chairs, Chef and Codes, Girl Friend and String Gift, Combinatorial Numbers, Polo the Penguin and the Tree, Lucy and the Number Game, Lucy and the Math Analysis, Statues, Line Problem, Stand Up, 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, Funny Marbles, Magic Pairs, Reign, Sereja and Shuffling, Query on a tree VI, Chef and Substrings, Meteor, Chef and Favourite Sequence, Perfect Subarrays, Hard Disk, Walking Path, Rich Rhyme, Family of Recurrences, Chocolate Division, Merging Files, Changing Money, Rewarding the Priests, Bon Appetit, Please like me, Chef and Girlfriend, Chef and Feedback, Count on a Treap, Olympic Village, Stairway Reduction, Ant Colony, Message Coding, Sequence Alignment, Longest Common Pattern, Little Elephant and Subarrays, Sum Up, Farmer Feb, Chef and the Cake I, Colored Array, Chef and Functions, Chef and Shop, Chef and String, Spec Ops, GCD Sum, Chef and Numbers, Cards, bags and coins, Subtraction Game, Compilers and parsers, Chef and Way, Walk, The Street , Fun with flooring factorial, Little Chef and Numbers, Atoms in the Lab, Counting Bits, Naughty and Balls, Subarray Xor, Entangled Circles, Sherlock and Inversions, A Story with Strings, Chef and Remissness, Chef of The Ancient, Chef and Uniqueness, Sweets Problem, Chef and Reunion, Game of Divisors, ABC-Strings, XOR Minimization, 3-Palindromes, Sereja and Two Arrays, Sereja and ASum, Chef and Graph Queries, Final Battle, Sereja and D, Sereja and Arrays, Easy Tiling, Chef-jumping, Alok-nath and His Sanskars, Little Elephant and T-Shirts, Permuted Array Problem, Dividing Stamps, LCS Returns, Divide the Tangerine, Substrings and Repetitions, Book Game with Chef, How many sequences, Chef and Reversing, Chef and Ground, Sereja and Subsegment Increasings, Chef and Chain, Chef and Segment Game, Chef and Digit Jumps, Chef and Tree Game, Pipes, Chef and Rainbow Array, 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, Chef and Rectangle Genome, Divide the Cake, Ups and Downs, Tree Game, Stone, Count Permutations, Count Sequences, Count Substrings, Guessing Game, Permutation Shuffle, Team Sigma and Fibonacci, Dish Owner, The Leaking Robot, Approximately II, Mountain Engineering, Addition and Multiplication, Brand New Game, Forgot Password, Game of Numbers, Counting Flags, Knapsack Problem, Painting, Sherlock and the Grid, Substring Query, The Smallest Pair, Dynamic Inversion, Subarray GCD, Subarray LCM, Chef and sequence, Push the Flow!, Earthquake, Shift The String, Lowest Common Ancestor, Simple Editor, Rectangle Query, Cleaning Tables, Copy-Paste, Sum Queries, Chef and Gift, Friends, Chef and Array, Fun with Rotation, Fombinatorial, Flooring, Divide or die, Wall, Dragonstone, Children Trips, 2048, Paint the Tree, Deja Vu, Chef and Strange Formula, World War 2, Tanu and Head-bob, XOR Operation on Numbers, Convert the Expression, Jam, Chef And Fibonacci Array, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus, Chef and easy problem, Chef and easy problem 2, Chef and medium problem , Chef and medium problem 2, ICPC Pre-Prelims Practice Round, Bye, inversions!, Cyclic Prefix, Determine the Maximum Sum of Weights, Solving the Practice Contest, Distinct Characters Subsequence, Chef and Red Black Tree, Chef and A Large Permutation, Chef and Notebooks, The Army, Walk on the Axis, A game of consecutive piles, XOR with Subset, And Tuples, Logging in the computer, The Problem Set, Let us construct palindrome, Chef and a great voluntary Program, Chef and Churu, Matrix Again, Player, Course Selection, Ground Stations, Chef and Strings, Mangalyaan-2, Supercomputer, Landing Platform, Sereja and Two Strings 2, Mahesh and his lost array, Sereja and Salesman, Three elements, Cascading Style Sheets, Sereja and GCD, Discount on crackers, Cracker shops, Sereja and LCM, Covering Sets, Most Distant Points, Brackets, Sereja and GCD 2, Cool Dude Laxman, Chef and Keyboard, Chef and Stones, Max Array, Zombinatorial, Cultural Programme, Charlie and Prime Numbers, Ramanujan and Numbers, Billiards, Sereja and Votes, One Dimensional Kingdoms, Payton numbers, Xor Queries, Delivery Man, Sum Of Binomial Coefficent , Queries On Tree, String Matching, Bread, Random Number Generator, Drawing Contest, Sequence Containment, Kings Dinner, Interview Scheduling, Robot Movement, Good Joke!, BlindDate Contest, Pilgrimage, Irrigating Farms, Finding Exponent, Devu and his Class, Fit Squares in Triangle, Piece of cake, Just multiply, Road Decoration, Dhonis Bowlers, Matryoshka Dolls, Kiwi Number, Jersey Number, Gabba sprint, Many bananas, Suraj goes shopping, Tojo hates probabilities, Anup at Amrithapuri, Random Rudreshwar, Sign Wave, Let us play with rank list, Find Distance, Abhijeet and rectangles, Chef and Equality, Devu and Locks, Little Chef and the King, DOTS Player, Let us play with even and odd numbers, Traveller Chef, Chef and Pattern, Chef and Interview, Message Typing, Chef and Strange Operations, Lucky Four, The Warehouse, Thiruttu pasanga 2, Sweet Deal, Broken Telephone, Inversion sorting, Filling the maze, Big Queries, Matrix, Devu and binary String, A game on a graph, Cats of Schrodinger, Library and Headcount, Pair of Numbers, Interstellar, Andrash and Stipendium, Chef and Memory Limit, Virat and his challenge, Chef and Prime Divisors, Easy One, Overtake, Little Party, Chef and Laptop, Set Difference , Black-white Board Game, How to Minimize a String, Devu and a light discussion, Chef and new recipe, Chef and Balanced Strings, Devus and their voting system, Palindromeness, Flip Flops, REVERSE, Chef Anup, Lucky and Arrays, Equality, Version Control System, CHEF AND AUCTION, 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 on a directed graph, Pile of Coins, Math Bond, Strange Race, Dance Competition, Laboratories, Ankit, Srijan and a game of stone piles, King test to his sons, Save the kids, Edit Distance Revisited, Displaying Da Vinci work, Unlock Secrets or Leonardo, Teaching binary to a child, Handling the explosives, Finding Identity Integers, MasterChef, Devu And Churu , Yet Another Problem On Strings, Zeroes, Chef and String, Mix Sorting, Find Missing Number, Chef and Cube, Rohith and Circles, 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, Arush Challenge, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Chain of Doughnuts, Chef and Dolls, Chef and his Sequence, Merge Sort, Number of Ways , Devu and friendship testing, Rupsa and the Game, Entrance Exam, Make XOR zero, Devu and most energetic minion, 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, Intervals and subarrays, Devu and his mouse Jerry, Divisibility by 9, Chef and Table Tennis, Churu and Balls, Count Subarrays, Strange operations, Easy exam, Chef and Bitwise OR Operation, Chef and Two Strings, Chef and Tennis, Niceness of a tree, Greedy puppy, Puppy and game, Chef and Sets, Race Time!, Fun Theory, Dividing Machine, Chef and insomnia, Future of draughts, Chef And The Hiring Event, Fenwick Iterations, Simple Queries, The Confused Weighing Machine, Puppy and cats, Who dares to be a millionaire, Chef and Super Array, Receipt Recovery, Lighthouses, Forgotten Language, Spheres, Chef and the stones, 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, Minimum Maximum, Maximum sub-array, Rupsa and Equilateral Triangle, Easy Queries, Pattern matching, Misha and Gym, Sum of palindromic numbers, Yet Another Problem About Sequences, EASY SORTING, Super Numbers, Chef And Operators, Jump mission, Simple Sum, Are You Lucky, LuckyLand Lottery, Cyclist Race, Chef and cakes, Period on tree, Creepy Bob, Oracle Devu and Longest Common Subsequence, Shinigami and Apples, Alternating Colored Paths, Mahasena, Count Permutations, Palindrome Pairs, Factorial to Square, Word Stem, Almost Sorted Permutation, Kalakeya, Bhallaladeva, Seats, Finding Hardest Sum Value, Just Update and Print the array, Chef-Detective, (Challenge) Chef and Palindromes, Processing a string, Exam results, Chef and Tetris, Matrix Maximum Sum, MST, Check Divisibility, Tree Augmentation , Falling Rocks, Finding sum, Chef and Girls, Mutated Minions, Petr Contest, Ancient Berland Roads, Chef and Destruction, Chef And Palindromes, Matched Brackets, Wormholes, Distinct Codes, Query over Matrix, Black And White Cells, Palindromic substrings, Sereja and Line, Sereja and Array and Subtracting, Sereja and Tree 2, Product on Tree, Grid Game, Chef and Sign Sequences, Chef and Sub Array , Urban Development, Sereja and Permutations, Chef and Cycled Cycles, Magical Strings, In a planet far far away, The Christmas Gift, Floor Distribution, Chef And Fibonacci Tree, Good Rectangles, Jalebi Bai and Decks of Sweets, Chef and Pick Digit, Chef and Time Machine, The making of a cake, Chef and Subarrays, Chef and Queries, The Christmas Cookies, Antichains, DP - Ways to write word, MATHS - find sum, Wait for it, Save The Trees, Call Center Schedule, Devu and Perfume, git, Jump on Buildings, Cat and Mouse, Similar Strings, Chota Mouse and his birthday cake, Longest Palindrome, COINS, Exponential Sub-Palindromes, Chef And Binary Operation, Bubble Swap Count, Help Watson Escape, Fibonacci Queries, Swapnil And Shibly Again , Gaint and Sifat, Euler Circuit , Dabur Honey, Traffic Count, Social Network, Printer Machine, Malvika conducts a Programming Camp, Malvika is peculiar about color of balloons, Animesh decides to settle down, Malvika gets bored along with her Cats, Crazy Malvika discovers Crazy Fibonacci function, Monika And Song, College And Gift, Binary Strings, Sets Within Sets, The Return of Palindrome, Jumble Dumble, Chef and digits of a number, Not even planar, Taxi Fare, Learn Segment Tree, Knapsack on Tree, Alternating subarray prefix, Three Numbers, Modified Knapsack, Lukasfilm, COC battle, Optimal Reserve Price, Divisibility test, Largest Number, Simple Search, Faded Palindromes, Chef and Socks, maximize the sum, Chef and Big Matrix, Chef and math, Parity tree, Chef And Special Dishes, Chef and Balls, Chef and Coins Game, Chef and Three Dogs, Puppy and Sum, Chef and Chocolate, Chef and Ballons, The Unforgotten Letters, Saddle Point, I need some change, Arjun and Fibonacci, Prime Frequency, The Inversions, Asya & Encoding, Shubham and Strings, Forest Gathering, Two Closest, Simple Statistics, Asya & Beautiful Strings, Ada and crayons, Good Roads, Total Palindromic Numbers, The potato problem, Power Set, Beautiful Function, Simple Sum, Fire and Ice, Mr Thakkar want to go dream land, The Root Sub Game, Dragon Warrior, Counting Zeroes, Ramesh And Suresh, Array Game, Optimum Selection, Fear of Rectangles, Supercomputers, MinConcats, Intersections, Golu and url shortner , chess, ZEROES01, Lucky Army, Cyclothon, Agent Chef, Chef And Coloring, Maximum K Sums, Mr Swegwan and Arrays, Multiuser Environments, Shopping, Summer Internship, Help with distances, Probability, Ilya and Sleep disorder, Vivek and Sum Queries, Climbing Stairs, PrePre, Movie Weekend, Odd Divisors, Queries on a Binary Tree, Polygon, FIZZ BUZZ, Daddy and Chocolates, Cooking Schedule, Large factorials, Eugene and big number, The Bracket Problem, Chef and Round Run, Cats and Dogs, Chef and Big Soccer, Pay the Debts, BookWorm, Coins And Triangle, Akhil Recovers The Lost Array, Captain Party, Akhil And Colored Balls, Chef and special numbers, Tandem, Evaluate the polynomial, Akhil And Random String, Primitive Queries, Yet Another SubSegment Sum Problem, Kitchen Timetable, Better Maximal Sum, Floor Division Game, K-good Words, Very Simple Question- The Quadruple, Sticks, Right Triangle, Art, Longest Increasing Subsequences, Chef and Sad Pairs, Robot Walk, Sharing Candies, Fair Pairing, N different palindromes, Different Neighbours, Cutting Cake, Chef and his study plans, Chefland and Electricity, Best Maximum Product, Xortest Path, Alliances, Dividing into Regions, Chocolates for Everyone, Chef and Two String, Collisions, One more weird game, Square in numbers, Cube Towers, Chef Land, Range Minimum Queries , Chef and Mover, Travelling in a tree, Coloring A Tree, Love among People, Longest Even Subarray, Chef and Proportion, Chef and Numbers, Chef and Land, Chef and Array, Chef and squares, Building Permutation, Riku and Toys, A Good Problem, Lost Password, Tweedle-Dee and Tweedle-Dum , Math Hatter, Pattern Craft, 3 Divisible Subsets, Chef and calculation, Will and Closed Set, Naughty Sanket, Drumpf for President!, So Close Yet So Far, Easy Triangles, Kaps and his wife, Horrible Bosses, Print It, If - Else Problem, Digit Longest Increasing Subsequences, Studying Alphabet, Lock-Free Stack, Pascal Triangle, Sorting Tool, Completing favorite game, Take Turns, Kth Max Subarray, Mahasena , Naruto and Sakura, Joker and Batman, Raymond And Network, A friends game, Lazy Jem, Counting Strings, Write a program to reverse an array or string, Chef and Inequality, Chef and Triangles, Chef and Tree, Zack And The Handkerchieves, Find The Factos, Weird Spider, Ash and Pikachu, Chef and Digits, Diagon Alley, Persistent oak, Number Pyramid, Torque and edges, School distance, Coldplay Concert, The Crofts Game, Hikaru, Touya and Waya, Break the tree, Tree Palindromes, Batman v Superman, Find The Digits, Number Lock, Pattern, The Reverse Game, Time Conversion, Prime Numbers, Cheater Motu, Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Sherlock Counts Ways, Chef And Clothes, Candy Game, Chef and midsems, Huge GCD, Luther and Brackets, Prime Digits, Euron Problem, Chef and Cards, Mansi and Her Student, Sagar And Pens, Suresh and Game, Vatsal and his Bae, Tree Balancing, Minimum Cost Walk, Luther and Palindromes, Longest Increasing Subsequence, ChefWatson uses Social Network, FastFood Combos, Bob and his problem, A walk on a grid, Infinitity, Aniket in dillema, Sereja and Inversions, Exponential Deal, Missing Digits, Increasing Subarray, Help Lost Robot!, Beautiful Arrays, Watson and Digit Sums, Colorful Grids, Robolympic Batons, Counting Lights, Query On Strings, Query On Arrays, Download file, To add or to multiply game, Hill Jumping, Mr P and his Friend, Function Composition, Freaky Couple, Wow, LOST NAMES, Run Length, Subway Lines, Sebi and the highway, Proper Divisors, Chef and Image Processing, large fibonacci, Test the Year, Pattern Problem, Sebi and the corrupt goverment, Matrix Multiplication, Fluffy and Scoreboard, Fluffy and Flippy Bird, Fluffy and Tree Distance, Fluffy has a Robot, Maximum Xor Query, Visiting Friends, Virus Attack, Evil Chris, Colorful Triangles, Chef and Square Set, Parhi And Multiplication, Chef and Subset, Chef and Numbers, Finding Seats, Sweet Shops of Kolkata, Coal mines of Kharagpur, Painting a Town, Coal Mafia and Toll Tax, Bus Routes, Cookie Flavors, Mancunian and Sonu Generate Strings, 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, Notes and GPS Chips, Black Money Island, Netcoin Verification, Hawala Arrests, Mancunian Hoards Black Money, Bob vs ATM, Playing World War II, Extreme Encoding, Zeroes VII, Precious Stones, Optimal use of Nuclear Power plant , Mr Wireless, Roads, Chef and Points, Optimal BST Revisited, Superheroes and villains, Forming Teams Again, Robbery 101, Maximizing Minimum Distance, Jumping Frogs III, Employee Voice Surveys, WiFi Expenses, Pacman, MST Queries, Subtree swapping, Chef and Circle, Fantastic Four, Reservior, Tourists in Mancunia, Rabbits and Carrots, Miss Spaghetti and her weird queries, Sealing up, Nothing in Common, Mindfire & its Employees, Chef and Triangles, King Bob, 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, Gerrymander, Valentine Cheat, Cisco and Magical array, Multiverse Queries, Chairs, Xenny and Alternating Tasks, Bear and Random Grid, Bear and House Queries, Next Permutation, Bear and Extra Number, Bear and Milky Cookies, Names of Places, Bear and Bribing Tree, Hidden Message, Bear and Cat Trap, (CH) Bear and Sorted Rows, Bandwidth of a matrix, Bear and Oveflow Points, Count Strings, Square of a Number, Second Max of Three Numbers, Chef and Array, Chef and Ola Cab, Chef and Palindrome, Chef and Array Update, Logan and his XOR debacle, Rainbow Graph, Increasing Xor Sequence, Golu and Sweetness, Safe Robot, Sorting Problem, Charles and the BRUTAL subsequences, Laura and her QUERIES On Tree, Logan and DIGIT IMMUNE numbers, Bear and Ladder, Cards Game, Chef and Prime Queries, Stable market, Pishty and tree, BST Operations, Dish Of Life, 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 Candies 123, Bear and AB, Factorial Problem, Flash vs QuickSilver, Neha and Birthday Shopping, Mayank and Line Segments, Minimizing the dot product, Closest points queries, Bear and Segment 01, Army Base, Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Chef and Subsequences, A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Snake Procession, Protecting The Poison, Chef got Recipes, Temple Land, Hussain Set, Binary Tree, Prefix Inversions, Teleports, Bond And Fond, Consecutive Snakes, A temple of Snakes, A Game of Balls, Is It a Snake, Prefix XOR, Sticks, Knight Covering, SnackUp, Snakes and transition from Capitalism to Socialism, Snakes and Graph, Four Points, Ancestors in Two Trees, Add or Multiply, Mex division, Robots in a DAG, Black Nodes in Subgraphs, Harry and magical number, Minimax, Two Numbers, Company and Club Hierarchies, Chang and the Perfect Function, Chang and Perfect Quadruples, Chang and Beautiful Sequences, Tree Expectancy, Chef and his string challenge, Maximize Grid Score, Hit the Coconuts, Calculator , IPC Trainers, Suhana and Matrix World, Walks on the binary tree, Boss and his Brother, Minimum Good Permutation, Find the Maximum Value, Good Pairs, Travel to all Points, Jon Snow vs White Walkers, Palindromic Game, Greedy Candidates, Sum of Cubes, Querying on a Grid, Flower Pots, Mathison and the Dynamo shuffle, Longest increasing subsequence , Prime Vs Composite, Difference array, Fill The Matrix, Real obtuse, From heaven to earth, Mathison and pangrams, Max Mex, Broken Clock, Queens Landing, Little Chef and Sums, Counter Test For CHEFSUM, Chef Hates Palindromes, Fast Exponentiation, Infinite OR Game, Statistics Construction, Subsequence Equality, A Balanced Contest, Shreyansh and Arrays, Maya and her love, Chef and Dice, Coordinate Compression , S-T Mincut, Chef and Cook-Off Contests, Polynomials, The Subarray Problem, (Challenge) Connecting computers, Disease, Bits, SAVE THE REFUGEES, Pyramid falls, Singular prime problem, Squares, Game of Factors, Modular GCD, Chef and Employment Test, Chef and Weird Queries, Chef and Dancing Steps, Chef and Math Test, Chef goes Left Right Left, Buggy Calculator, Minimum SubArray, Periodic Palindrome Construction, Obtain Desired Standard Deviation, Ordering teams, Compression Algorithm, Villages and Tribes, Days in Month, Strange Function, Killing Monsters, J - Reached Safely Or Not, C - Club of Riders, Organize The Wallet, Prime Factorisation, Hemu Class Attendance, K Fibonnaci, B - Get The Gold, Chef and Deforestation, A - Appearance Count, A humongous Query, Skiing, Chef and XOR Queries, Random Pair, D - Triangle Count, Smart Strategy, Shuffling, L-R queries, Strange Queries, Vertex Cover, Black and Red vertices of Tree, Chef And his Cake, Lucas Theorem, Chef And Easy Xor Queries, Black Discs, Method Resolution Order, Find an element in hidden array, Area of an amazing figure, Obtain Desired Expected Value, Queries on tree again, Four Friends, Penalty Shoot-out, Rotate Point, Red and blue points, Chef Counts Semi-BSTs, The Prestige, Chess knight move, Codie Bird, Chef and Hamming Distance of arrays, Science Fair, Good and Bad Persons, Minimize the string, Chef and Triangles, SAD Queries, 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, A Tale of Three Squares, A Tale of Two Right Angled Triangles, Large Sum, Magic Board, Drunk Man in Large City, Nested Candy Boxes, Crypto Trading, A Few Laughing Men, Coder Life Matters, Poetic word, Chef and Interval Painting, K-Concatenation, Maximum Score, Rectangle, String Merging, Minimum Maximum Confusion, Hello World, Caesar cipher, Simple Fibonacci, Horse racing, Tom and his game, Barrel and password, Angry Killjee, Chef and Special Array, Chef And Chocolates, Multiple of 3, Multiply the Array, Geometric Progression Triplet, 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, Survive in ChocoLand, N-QUEENS, Campus Drive, Celebrity In Trouble, Save Patient, Mighty Friend, Chef and Easy Problem, Car-pal Tunnel, Cutting Plants, Chef and Gcd Queries, (Challenge) Biased Committee, Problem 3, FORM BIGGEST NUMBER, A Big Sale, Permutation and Palindrome, Chef and Cook-Off, Chef and Tuples, Chef and Line, Distinct Behaviours, Stingy Strings, S Semi-palindromic, The Legendry Coin Change Problem, Euclid in Manhattan, Feedback for Pragyan, Distinct Numbers, Game with numbers, Jumping in the hills, Electron Base, Mix the Colors, Chef and Glove, Series Sum, Minions and Voting, Minion Chef and Bananas, Help Voldemort, Hedwig The Smart Bird, Room Of Requirement, Harry Potter and the Goblet of Fire, Wingardium Leviosa, Weight of Numbers, Sum Squares, Foolish Game, Z Value, Chef Goes to the Cinema, Chef Chooses a Subset, Chef Restores a Matrix, Chef Judges a Competition, Even Dillema, VK and NCR, Sam, The Charming Angel, Highway Crossing, A Game of Game, DP Made Easy, Chef and Same Old Recurrence, Y Figures, Lowest lexicographical string, Partitions, Chef and Friends, Three Integers, AND Square Subsegments, Magic Elements, Fibonacci String, Edges in Spanning Trees, Two Flowers, Counting is life, Minimum Deletions, Count Good Prefixes, Average of Pairs, Workers, Xor Again, Good-Bad Pair, The Deadly Sin, Candy Love, Reverse String, Vision, The Kingdom of Ererraveth, Obsessive Compulsive Multiplication, Chef and Same Old Recurrence 2, Convergence, Run Direction, Cut the Board, Binary Nim, Pawn Chess, Chef Goro, Icing on cake, Two vs Ten, The hardest gcd problem, Fast forward travelling, Darts, Boring Marriage, Lover Numbers, Attendence Sheet, The Last Digit, Fake Binary Search, Helping Out Crush, To Infinity And Beyond, Rubber Band, Dibs on Fibs, Ways to Work, Sum on Tree, Secret Recipe, Patternless Quilts, Sheokand and String, Binary Shuffle, Naive Chef, Trace of Matrix, Count Substrings, Shifted Palindrome, Weak in the Middle, Maximum Plus, Fill the Truck, Code Stats, The Two Towers, UnAble to decipher, Game of Stones, Roots of a Quadratic Equation, Sum OR Difference, Decrement OR Increment, Area OR Perimeter, HOW MANY DIGITS DO I HAVE, Program Your Own CALCULATOR, Is it a VOWEL or CONSONANT, Pizza Delivery, Prime Numbers, Sonya and Segments, Archi and Comparsion, Problem Sort, Mean Array, Tom and Jerry, Graph on a Table, Permutation Composition Queries, Summary Power, Counting Pretty Numbers, Reach Equilibrium, Choose the capital, Tree Query, No Minimum No Maximum, Magic Set, Strike or Spare, No Strings Attached, INFIX-TO-POSTFIX, Encoding Message, OR Matrix, Finding Second Maximum, Chef and GCD Game , Split Stones, Make a String, Chef and Recipes, Red Blue Green Balls (keteki), Chef and Secret Ingredient, Chef and Bored Games, Chef and Sorting, Sheokand and Number, Playing With Numbers, Books And Pages, Chef and mango trees, The Array Problem, King of Chefland, Prime Game, Walk on Tree, The Great Run, Kill them with your success, Awkward Pairs, Sasha and Photos, GukiZ and Candies, Mixi Game, Magician versus Chef, Hack Fulu, Counting Frequency, Find the prefix sum, Standard Tree Task, Balsa For The Three, Square Cube, Power of Power, Sacred Game, Chef and Eid, Mix Mix Game, Square Area, Chef and Adventures, Table Game, Ada School, Honda Pattern, DESORT, Bad Shuffle, Games on Arrays, Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard, Coprime Components, The Alien, Chef and Serves, OneTwo, CRYPTOGRAPHY SYSTEM, Learning Dishes, Byte to Bit, ATM Machine, Make a Permutation, Distinct Rows in Submatrices, Rat in the maze, Chef and Ridges, Judging Delay, Opposite Cites, Chef Restaurant , Match the Streams, And of Ands, Finding Teammate, Qualifying to Pre-Elimination, Chef and SnackDown, Chef and Semi-Primes, Chef and Strange Addition, Ada and the Staircase, Ada Function, Chef and Card Trick, Word Grid, Three Friends, Robots Again, Coloring the Grid, Niceness of the Arrays, Maximize Product, Chef and K Segments, Chef and Sequence, Chef and Difficult Contests, Chef and Happiness, Revenge, Chef and Two Queens, Truth and Dare, Beautiful Garland, A-B Game, Colorblind Feast, Cutting Pizza, Antimatching, Edge Addition, Maximize It, Chef and Interactive Contests, Event, Chef and An Ideal Problem, Beats and Pieces, Adi and the Matrix, Partition the Graph, Mafia Syndicate, Maximise the Sum, Lucky Number Game, Points, Lines, Triangles and Graphs, A Triangle and Two Squares, Play Piano, 1-2 Game, Pseudo Sorting Algorithm, Subset Sums Revisited, Capturing Bird in A Camera, Count Subsequences, AND on Graph, A - Even Odd subsequences, Life Limited, Autonomous Cars, Siruseri Gerrymandering, Three Strings, Prefix Numbers, Swag Subsets, Yalalovichik Numbers, Fighting Armies, Magic School, Beauty of Konoha, Get a Bucket of Water, Do You Want to Build a Snowman, What is the Cost of Reading, Absolute Difference Sum, Yet another shortest path problem, Yet another expected value problem, Bag of Tiles, Almost Friends, Valid Stack Operations, XOR! Wait for it, Palindromic Walks, Sherlocked String, Is it a Cakewalk Problem, Print Pattern, Choosing from Buckets, D - Balanced Parenthesis Substrings, Ross goes for Shopping, Summation over nCr, Alien Invasion, Sauna Cred, Find Best Path, Age Calculator, Chef and Modulo Game, Fancy Quotes, A Pizza Slice, Pairwise String Sums, Goblet of Fire, Super Sayan, Shivigawdz, Grouping them right!, Ada King, Jungle Safari and the Boat, Good Indices, Rooks, Chef and Ice Cream, The Nights Watch, Bus Station, Chef And His Society, Chef and Magical Jars, Chef and Secret Ingredients, Xor Decomposition, Appy and Contest, Magic Array, Yet Another Tree Problem, (Challenge) Chef with Orchestra in the Kitchen, Man with No Name, Art of Balance, Deputy Chef, Sonya and Tree, GANG WAR, Chef and Balls, Pattern, Zombies and Magic!, Hex Prime, Max Range Queries, IPL and RCB, Chef and Secret Password, Perfect Tree Problem, An Easy Problem, Buying New Tablet, Chef and Party, The spy machine, Chef and Number Game, Stock Profit, Boring assignments, Beginner, We Are Friends, I have a BOW and ARROW, Average Number, The Tricky Deal, Yet Again a Subarray Problem, Chef and a Beautiful Digit, Large Factorial, Matchable Permutations, Range Sum Problem, Playing With Strings, Bumble Bee, Hello World, Cats and Rats, UEFA Champions League, Playing with Numbers, Friend or Girlfriend, FlatLand, Too Many Candies, A Weird Device, Music Shopping, Maximum Remaining, Chef and Arrays, Earning A Profit , Chef and Football, T-Series Vs PewDiePie, Subtree Removal, Fencing, No one is Perfect, Really, Testing Robot, Partition into Permutations, Go Round, Danny Wants To Know, Some Impact, Longest Xommon Subsequence, Max power, Find The Sum, No Succession, Long Long Sum, Doubly Increasing Path, The Last One, Solve The Case, Spiral Output, A Game of Primes, When to take medicine, (Challenge) Chef Exchange, Making a Meal, Ada Rooks 2, Matches, Trees and Degrees, Snake and Apple Tree, Chef Learning Hungarian Algorithm, Chef and Good Subsequences, Reduce to One, Road Signs, Chef and Proxy, Guddu and his Mother, Count Arrays, Guddu on a Date, Attendance, Fast Food, Minimum Sum, Chef and Ingredients, Chefina and Ranges, Encoding, Calculate Deposit, Sum and GCD, Forgotten Tree 9, Friend in Need, Strange Game, Fuzzy Conversions, Guess the Prime!, Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor, Recover the Sequence, Reverse Maximisation, CV, XOR Magic, Intervals and Intersections, Parity Again, Dilemma, Codechef War, Easy Fibonacci, (Challenge) SnackDown 99, Ross and DFS, Chef and Distinct Numbers, Raghu Strings, Nice Subsets, Physical Exercise, Circular Merging, Multiple Choice Exam, Subarray, Equalize, Ants and Anteaters, Chef and Gordon Ramsay, Eat Twice, Minimum and Maximum, Ping Paja Pong, Chef and Mean , Beauty of Segments, Hard Sequence, Magda and Silly Pairs, Football, Distribute Apples, Zombie and the Caves, Birthday Gift Again, Minimum and Maximum, Playing with Strings, Expected Product, Two Variables, Chef Loves Numbers, Delete a Subarray, Professor on a Trip, Easy Math, Two-lane Road, A - Books, Bacterial Reproduction, Chef and Dynamo, Save Konoha, Gcd vs Lcm, Doofish Set, Dodgers, Power Sum, Prajit and bits, Rich Substrings, Chef Designed a Network, Friends and Candies, Chef Drinks Coke, Infinite Increments, Chef and Interesting Subsequences , Game of Bullets, Fibonacci Numbers, Eidi Gift, Destroy Cells, Plus Multiply, Array Modification, From Zero to Infinity, Binary XOR, Bits Magic, Inversions in an array, Edit Distance, Sugar Rush, The Sherlock Challenge, Length and Sum of Digits, Find The Area, Find that single digit, Please Help !!, Binomial Fever, Angry Grandfather, Sweet Tooth, Operations on a Matrix, Phone Prices, Two Groups, Playing with Matches, Weird Modulo Problem , Tennis Tournament, Treeversion, Student of the year, Yet Another Partition Problem, Single Point of Failure, Children and Candies, Languages 101, Doraemon, Winning Ways, Weapon Value, Scoring Pairs, Chef and Minimum Colouring, Colliding Balls, Shortest Palindromic Superstring, Beautiful Partitions, Discount in a Shop, Awkwardness Minimization, Moving Segments, Grid Shuffle, Pretty Boxes, XOR Engine, Medel, (Challenge) Coloring Triangulations, Hidden Sequence, D-Or, Full Barrier Alchemist, The Promised Land, Sticky Notes, Nuttela Path Unit, Printing Pattern using loops, D-Dart, Random Number Generator, Dinosaurs Football, Mobile Game, Counting Inversions Revisited, How much Scholarship, Combinations, Xor Segment, Odd Topic, Chef Diet, Find the XOR, Equality, Team Trees, Planting Trees, (Challenge) Cubical Virus, Special Graph Construction, Minimum Variance, That Is My Score!, Minimize the Distance, Colorful Balloons, C - Recover Array, Washing Windows, Compress the List, Nth Fibonacci Term, Perfection, Substring Matching, Direct Segments, Back In 2 minutes!!, Chef and Diamonds, Convolution, English, Beauty and The Array, Is This a Give Away, Nicks Landing, IPL Begins, Analytics Load Jobs, Inverse Knapsack, OWCA Files, Disconnecting Cities, Yet Another Balanced Parenthesis Problem, Game on Tree, Telephone Network, Expected Area, Coloring Intervals, Ada Bishop 2, Safe Robots, Breaking Bricks, Change It, Usain Bolt vs Tiger, K-Prob, Walk 4 steps, Rotate String, The Inexplicable Giant Floating Baby Head, Banana String, Polygon Containment, Gru is Handing Out Bananas, Minion AND Range, Sufficiently different string, Rooted Tree Graph, A Complex Graph Problem, LCM Constraints, The Evil Professor, Stupid Machine, Check Algorithm, Guess the number, Anjali and Tasty Treat, Ruman and Pull Requests, Fall in Love, Chef and String, Chef and Walk, Exam Cheating, Maximum Subsequence Sum, Sky Watching, Perfect Power Divisors, Bitwise Operators, Exploring Undiscovered Planets, Destroy The Asteroids, Divide them all, Monica and her Crush, Recruit Villagers, Range AND, Chefina and Sums, Naruto Needs Help, Poker Chips, Chef and Candies, Psertu in Byteland, Pongal Bunk, Lasers Everywhere, Buying a New String, An AC for you, Ready Bitwise, Even Matrix, The Theatre Problem, Bob and His Friends, Chef and Street Food, Pintu and Fruits, Hard Cash, (Challenge) Raisins, XOR Game, Garden Watering, Triangular Pyramid, Hungry Alan, Et tu Brute, Chef and Restaurant, Lavanya Loves DFA, Prefix sum, Are These Equal, 1 - Nights Watch, Chef and Pepperoni Pizza Again, Penalty Shoot-Out II, Chocolate Day, Valentines Day, Button Pairs, Base Plans, Yet to decide the Name, Joined Subarrays on Tree, Triple Sort, Chef and Tiling,  A - Tom & mouse traps , Peak Finding, Mercury Poisoning, Chef and Stocks, Egg-free DAG, Binary Land, Coronavirus, At the Gates, Swapping to Palindrome, Not All Flavours, Monsters Battle, Secret Mission, Skadoosh! , Unit GCD, Mysterious Sequence, Find Your Gift, Box of Chocolates, Paleontology Museum, Escape the Tree , Not a Real World Problem, Chef and Dragon Dens, Maximize LCM, A lot of cars, Strip in a Tree!, Coronavirus Spread, Chef Swaps Digits, Good Prefix, Sell All the Cars, Team up for COW, Naruto and Rectangles, Chef and Squares, Chef and Start, Chef and Bitwise Product, Tower Counting, COVID Pandemic and Long Queue, The Gifting Problem, Lift Requests, Simple Operations, Missing a Point, Tricky Remainder, Lockdown Loss, Snacks, Balls, Find Number From Factorial, New Sequence, Chef and the Swimming Pool, Chef learns Statistics, Maximum AND, Naruto and Chunin Exams, Greedy DD, Shortest Palindromic Substring, Cobb and Mazes, Insanely Hard School Exams, Battling Soldiers, Triangle Query, Another Birthday Present!, GCD OF TWO NUMBERS, Chef and Numbers, Monty Hall Paradox 2, Isolation Centers, Chef in Fantasy League, Motu And Segmented Coins, Creating New Mathematical Tasks, Q Trailing Zeros, Minimum Spanning Tree, Chef, Chefina and Their Friendship, Chefland Squads and the Army Chief, Chefina on a Trip, Roads in Chefland, Help the president, Laxman and Maths, Bharat and Possibilities, The Tom and Jerry Game!, Lord Ram and XorOrXorOr Power, Print the series!, Structures in C, Linking Linked List, Quick Sort, Doctor Chef, Weird Algorithm, Chef and String, Weird Walk, Convert the String, Lost Weekends, candies, Tree difference, New Algorithm, Chef and Price Control, The Game, Two Armies, Minimum Cards, Cache Hits, Per Capita Income, Ripul and His Gems, Max Mex, Carry Bed, Sasta Operation on Tuple, Contagious Disease, Chef vs Doof, Distribute Candies, Delta wants treats, Doof fires Brackets, Give those children some toys!, Give those children some marks!, Sharing is Caring, Rock Paper Scissor, Happy Birthday Horsbug98, Sandy Tries English, Chef and Demonetisation, Kuroni and the Cowsheds, Increasing Decreasing, Gold Mining, Square Submatrices, 1 - Cakezoned, Maximum Sum, Victory Number, Unique Substrings, Chef and Card Game, Chef and Strings, MEX-ception, The In-XOR-able Task, Even-tual Reduction, OR-thodox Distinction, I Hate Symbo-LIS-m, Unique Substring, Cherry and Bits, Priya and AND, Chefina and Strange Tree, Phoenix Meets Valkyrie, Double Date, Chef and Steps, Chef Wars - Return of the Jedi, Another Card Game Problem, Dr Phil goes to the ranch, Sudhanva and Books, Maximum Candies, Coloured Pairings, Binary Concatenation , Pairs of Pairs, Chef and Sums, Smallest KMP, Game on a Strip, Chef and Wedding Arrangements, 2 - Sums divisible by 3, 3 - Domino game, Red-blue Trees, Polygon Relationship, Chef and Work, Beautiful Subsequence, K-Foldable String, Cosmic Temple, Notebook Distribution, Naruto and One Shot, Shikamaru has Queries, MY INTERVIEW, Xor and Xnor Series, Ada Matrix, Chefina and Swaps, Mode of Frequencies, Alien Invasion , Coronavirus Spread 2, Maximise Subsequence Value, Bulbs and Wires, Bowling Strategy, GCD operations, Root the Tree, Zenny and Simple Sum, Watermelon, Adding on Segments, Diamond Pattern, Word Collection, Positive AND, Collect your coin, D-Dimensional MST, Compress all Subsegments, ShareIT, Restore Sequence, Alphabet game, Biggest Pallindrome, Covid Run, Hail XOR, Chef and Easy Queries, 2D Array, Decreasing Srrnmieeda, Path-etic Sums, The In-XOR-able Task, Ada and Dishes, Average Median Game, Yet Another Crossover Episode, Factors and Function, AND Plus OR, Better call Saul!, Magical Candy Store, Los Pollos Hermanos, Empire Business , The One Who Knocks!, Chef and Subtree MEXs, Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Hunting Race, Climbing a staircase, Iron, Magnet and Wall, Tree and unwanted leaves, Segment Tree, Cake and Precision , Multi-threading Merge Sort, Chef and Prime, Chef and The Lockdown, Frog Sort, Marble Game, Frequency Array, Gold Collection, Birthday of Anabelle, Compartment Weights, Print Sub-Array, Flip the String, Chef and IPC Certificates, Hiring Workers, Odd Not Odd, Gasoline Introduction, Circle Coloring, Interesting XOR!, Polite numbers, CHEF AND LOTTERY, Even Pair Sum, Vaccine Production, Vaccine Distribution, Mysterious Sequence, Self-Destructing Strings, Organisation, Watching CPL, Sed Passwords, Array Swaps, Hidden Numbers, Catch the Thief, Carry All Fruits, Angry Cyborg, The Begining Era Of Cyberverse, Cybertree, K-Tuple Tree, Unique Encryption, Binary Puzzle, LCM and HCF, Three Letters, Status and Updates, Fair Elections, Minimum Attendance Requirement, Find Steps, Greedy Students, Sed Sequences, One Zero Swaps, Maximum Value, Valid Paths, Rectangle, Pattern End, Bodybuilder, Chef and String, Chef and Patients, Chef and Division 3, Point Of Impact, P-D, Cleaning Drive, Palindrome, Chef and War Tanks, Daanish and Problems, Chef and Groups, Chef and Meetings, Chef and Divisors, Minimum Steps, Find Second Largest, F-L, Domino Tiling, Prime Game, Prime Tuples, Maximum Money, Coin Game, Find Next, College Life 2, Distinct Pair Sums, Maximise Function, Buy Please, Special Fibonacci, Magical Game, Minimum operations, Power of 2, Chef and Tourism, Chef’s Number Puzzle, Pair Me, Even Differences, 1 - Binary Distance, 3 - Good Grid, Even Sum, Highest Divisor, Hello, CodeChef!, Body Mass Index, Paparazzi Gennady, College Admissions, Fun Maths, Valid String, Thief and Police, Consecutive Deletions, Sed Max, Memcached Service, Smallest Possible Whole Number, Coprime Range, Chef and Coupon, Odd Array, No Time to Wait, Breaking the Fence, MaxEdges, Digitone, Total Correct Submissions, Nobel Prize, Chef Lucky Draw, Happy Birthday, Motivation, Pawri Meme, Matrix XOR, Weight Balance, Lucky Four, Destroy the EMP Chip, Possible Victory, Uniform, Lunchtime, Prime Cycle, Valid Pair, Minimum Popping, World Record, Strong Language, Passing Marks, Chef On Island, The Last Problem, Chef in Heaven , Hiring Test, STRING MANIPULATION, B - Valentine Couples, Encode Kalakeya, OR of ANDs, Joker and Batman, Chocolate Monger, Deletion Sort, Pizza Party, Equinox Strings, Array Rotation, Charges, Xor Equality, Coldplay, Hoop Jump, Modular Equation, Permutation Swaps, Solubility, Lucky Numbers, binary_string, KAALU AND LOVE, LuckyGame, Kid & Table, Pattern, InterviewRound1, Beautiful Ranges, Step or Jump, Bitwise Tuples, Tom And Jerry 1, Double Burgers, Make it zero, Bella ciao, False Number, Array Equal, Lazy Chef, The PRIME numbers, Avinash The Mafia, Total Components, Summer Heat, ICPC Balloons, XxOoRr, Richie Rich, Chess Match, Binary String on Steroids, The Wave, Clamp Paths on Tree, Chef and Queries, Cyclic Quadrilateral, Optimal Denomination, Unpleasant Ones, Maximum Production, Tic Tac Toe, Chefs Homework Dilemma, Relativity, Dakimakura Distribition, Different String, Even tuples, Palindromic number, Odd bits, advance pattern, Chef and Closure, Chef and GCD, Chef and Spells, Three Dices, Equal Difference, Maximal GCD, XOR-ORED, Chef and Bulb Invention, Shoe Fit, Shuffling Parities, Food Chain, Red Alert, Interesting Representation, move negative element , Positive Spewing, Matrix Permutations, Longest Good Segment, Problem Difficulties, Olympics Ranking, Jon and Selina, Friend Groups In A 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Strings, Palindrome by Splitting, Connect All Cities, Just Like Mob!, Binary Battles, Squats, Monopoly in Chefland, Another Standard Problem, Expensive Steps , Minimum Number of Ones, Tour of King, XOR Product, Expense List, Rain in Chefland, Interesting Array, Bull or Bear, Make AP, Make Money, Sum of Cube , Divisible by A_i, Gcd of Subarrays, Good Investment or Not, Reach fast, Maximise XOR, Scalene Triangle, Convert to permutation, Distinct Sequence, Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Pet Store, X AND Y Tree, Prime Reversal, Instagram, Facebook, Snapchat, Expected Sum, Asymmetric Swaps, Perfect Trio, Maximizing LCS, Smallest Difference, Indivisible, Apples and oranges, N Triplets, Sum it, Find an integer, Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers, Append for OR, Elevators, Candies, Mana Points, Minimize the Maximum, Array Halves, Far from origin, Battery Health, Redistributing Chocolates, Overspeeding Fine, Lcm hates Gcd, Read 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