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(2022-03-14 15:00:04)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (978):
Practice:
Prime Generator, Small factorials, Enormous Input Test, Simple Sorting, Paying up, The Lead Game, Gravel, Count palindromes, Cutting Recipes, Three Way Communications, Money Transformation, A Prime Conjecture, Chef Teams, Correctness of Knight Move, Robot Movings, Hotel Bytelandia, Subanagrams, Ciel and A-B Problem, Lucky Long, Free Shuttle Service, Collision in Space, Word Couting, Fit to Play, Ciel Numbers II, Little Elephant and Strings, Lucky lucky number, Remember the recipe, Little Elephant and Cards, A Home for Chef, Kisses & Hugs, Little Elephant and Lemonade, Event Organizer, Delivery Boy, Racing Horses, Ciel and Receipt, The New Scheme, Coin Flip, Recipe Reconstruction, Little Elephant and Permutations, Buying Sweets, Little Elephant and Divisors, Packaging Cupcakes, Reversing directions, Chef of the Year, Climbing Stairs, Minimum Distance, Three Different Numbers, Fire Escape Routes, Lack of Logic, Row and Column Operations, Maximum Weight Difference, Superpowers of 2, Name Reduction, Your Name is Mine, Andrew and the Meatballs, Andrew and the Meatballs again, Lapindromes, Chef and Walking on the rectangle , Maxim and Dividers, Chef and Integers , CAO Stage-1, Pairwise AND sum, Chef and The Right Triangles, Code, Polo the Penguin and the Numbers, Uncle Johny, Square Digit Squares, Missing some chairs, Lucy and the Number Game, Magic Pairs, Make Him Happy, Rectangular Queries, Mike and Matrices , Bon Appetit, Chef and Feedback, Little Elephant and Subarrays, Farmer Feb, Chef and String, Compilers and parsers, Little Chef and Numbers, Chef and Remissness, Sereja and ASum, Chef-jumping, Chef and Digits, Dividing Stamps, Chef and Frogs, Chef and Segment Game, Chef and Rainbow Array, Chef and Rainbow Array - 2, Chef and Subarray, Shortest Path in Binary Trees, Chef and Square, Divide the Cake, Stone, Count Permutations, Guessing Game, Permutation Shuffle, Reach The Point, The Leaking Robot, Approximately II, Forgot Password, Sherlock and the Grid, The Smallest Pair, Subarray GCD, Sum Queries, Chef and Gift, Fun with Rotation, Harrenhal, Tanu and Head-bob, Magical Girl and Colored Liquid Potions, Chef and easy problem, Chef and Red Black Tree, Walk on the Axis, Let us construct palindrome, Sereja and Votes, Good Joke!, Fit Squares in Triangle, Piece of cake, Gcd Queries, Chef and Interview, Lucky Four, Andrash and Stipendium, Chef and Polygons, Set Difference , Chef Anup, Equality, Version Control System, Na2a and lucky stone, Chef and Cube, Add Two Numbers, Find Remainder, First and Last Digit, Smallest Numbers of Notes, Sum of Digits, Reverse The Number, Helping Chef, Id and Ship, Valid Triangles, Second Largest, Small Factorial, Finding Square Roots, Chain of Doughnuts, Chef and Dolls, Devu and friendship testing, Train Partner, Cops and the Thief Devu, Maximize Disjoint Pair Sum, Time measure, Count Subarrays, Strange operations, Chef and Two Strings, Puppy and game, Forgotten Language, Chef and the stones, Chef and the XORed Number , Chef and the Wildcard Matching, Minimum Maximum, Sum of palindromic numbers, Chef And Operators, Plane Division, emitL, Oracle Devu and Longest Common Subsequence, Mahasena, Almost Sorted Permutation, Processing a string, Chef and Array and K, Mutated Minions, Distinct Codes, Black And White Cells, Palindromic substrings, Sereja and Array and Subtracting, Chef and Sign Sequences, Chef and Pick Digit, Chef and Subarrays, Devu and Perfume, Triangle Classification, Chef And Binary Operation, Chef and Fruits, Help Watson Escape, Malvika is peculiar about color of balloons, Chef and digits of a number, Digital clock, Alternating subarray prefix, Faded Palindromes, Chef and Socks, maximize the sum, Chef And Special Dishes, Chef and Three Dogs, Puppy and Sum, Simple Statistics, Ada and crayons, Chef And Magical Path, Chef And Coloring, Movie Weekend, Odd Divisors, Laddu, Coins And Triangle, Akhil And Colored Balls, Phantasialand, Devu and an Array, Chef and Mover, Chef and Proportion, Chef and Numbers, Chef and squares, Chef and calculation, Studying Alphabet, Lazy Jem, Chef and Inequality, ChefWatson uses Social Network, Task for Alexey, The Largest Bouquet, Download file, Sebi and the highway, Chef and his Students, Chef and Subset, Superheroes and villains, Reservior, Xenny and Alternating Tasks, Logan and his XOR debacle, Bear and Ladder, Dish Of Life, Bear and Row 01, Similar Dishes, Max Out, Bear and Candies 123, Bear and AB, Bear and Segment 01, Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers, A Good Set, Chef and the Feast, Chef got Recipes, La Liga, SnackUp, Maximum Unique Segment, Minimum Good Permutation, Real obtuse, From heaven to earth, Mathison and pangrams, Max Mex, Statistics Construction, Subsequence Equality, Chef and Cook-Off Contests, Chef and Employment Test, Chef and Weird Queries, Chef goes Left Right Left, Buggy Calculator, Periodic Palindrome Construction, Random Pair, Smart Strategy, Chef And his Cake, Penalty Shoot-out, Beautiful Array, K-Concatenation, Maximum Score, Rectangle, Multiple of 3, Chef and Game with Sequence, Chef And The Patents, Survive in ChocoLand, Mighty Friend, Permutation and Palindrome, Chef and Cook-Off, Mix the Colors, Chef and Glove, Minion Chef and Bananas, Weight of Numbers, Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition, Split Sums, XD Subsequences, Chef and Friends, Fibonacci String, Minimum Deletions, Count Good Prefixes, Workers, Candy Love, Chef and Replication, Majin Vegeta, Cut the Board, Two vs Ten, Dibs on Fibs, Secret Recipe, Naive Chef, Sum OR Difference, Decrement OR Increment, Area OR Perimeter, HOW MANY DIGITS DO I HAVE, Is it a VOWEL or CONSONANT, Archi and Comparsion, Problem Sort, Summary Power, Counting Pretty Numbers, Magic Set, Encoding Message, OR Matrix, Chef and Bored Games, Sheokand and Number, Spell Bob, The Great Run, Mixi Game, Magician versus Chef, Balsa For The Three, Chef and Problem Setting, War of XORs, Chef and Eid, Chef and Adventures, Ada School, Chef and Serves, Byte to Bit, ATM Machine, Make a Permutation, Judging Delay, Chef and SnackDown, Knight Chess, Ada King, Ada and the Staircase, Three Friends, Coloring the Grid, Chef and Difficult Contests, Chef and Happiness, Beautiful Garland, Chef and Interactive Contests, Event, Chef and An Ideal Problem, Play Piano, XOR! Wait for it, Print Pattern, Age Calculator, Distinct Pairs, Ada King, Rooks, IPL and RCB, Buying New Tablet, Chef and Party, Average Number, The Tricky Deal, Chef and a Beautiful Digit, XOR N-bonacci Sequence, UEFA Champions League, Friend or Girlfriend, FlatLand, Greg and Grid, Fencing, Testing Robot, Pogo Stick Competition, A Small Array, Weirwood Trees, Danny Wants To Know, Max power, When to take medicine, Making a Meal, Chef Learning Hungarian Algorithm, Reduce to One, Road Signs, Guddu and his Mother, Attendance, Where to Build the Roads, Fast Food, Minimum Sum, Misha and Nice Sets, Recover the Sequence, Dilemma, Easy Fibonacci, Multiple Choice Exam, Ping Paja Pong, Magda and Silly Pairs, Football, Zombie and the Caves, Playing with Strings, Easy Math, A - Books, C - Chef and Maths, Chef and Pepperoni Pizza, Chef Drinks Coke, Chef and Interesting Subsequences , Plus Multiply, Array Modification, Binary XOR, Operations on a Matrix, Playing with Matches, Weird Modulo Problem , Tennis Tournament, Find the Sum, Doraemon, XOR Engine, Cakewalk, D-Or, Full Barrier Alchemist, Counting Inversions Revisited, How much Scholarship, Chef Diet, Planting Trees, That Is My Score!, Compress the List, Ada Bishop 2, Breaking Bricks, Change It, Minion AND Range, Stupid Machine, Check Algorithm, Chef and String, Chef Chick, Exam Cheating, The Theatre Problem, Lavanya Loves DFA, Mr Pr in a Dilemma , Penalty Shoot-Out II, Tax Slabs, Find maximum in an Array, Not All Flavours, Mysterious Sequence, Find Your Gift, Coronavirus Spread, Maximum AND, Another Birthday Present!, Chef in Fantasy League, Chef and String, Lost Weekends, Chef and Price Control, Max Mex, Chef vs Doof, Doof on Cartesian, Chef and Demonetisation, Increasing Decreasing, Chef and Strings, Even-tual Reduction, Priya and AND, Help Martha, Chef and Steps, Maximum Candies, Smallest KMP, Game on a Strip, 2 - Sums divisible by 3, K-Foldable String, Ada Matrix, Coronavirus Spread 2, Bowling Strategy, GCD operations, Restore Sequence, Decreasing Srrnmieeda, Ada and Dishes, AND Plus OR, The One Who Knocks!, Frog Sort, Flip the String, Chef and IPC Certificates, Interesting XOR!, Positive Prefixes, Even Pair Sum, Vaccine Distribution, Self-Destructing Strings, Array Swaps, Hidden Numbers, Catch the Thief, The Begining Era Of Cyberverse, Minimum Attendance Requirement, Sed Sequences, Maximum Value, Rectangle, Point Grid, Bodybuilder, Chef and Division 3, Minimal Travel Time, Encoded String, Daanish and Problems, Chef and Groups, Chef and Meetings, Maximum Size, College Life 2, Distinct Pair Sums, College Life 5, Maximise Islands, Password, Maximise Function, Pair Me, Even Sum, Highest Divisor, Body Mass Index, Space Arrays, Total Score, Server Trouble, Thief and Police, PCM Dilemma, Palpal Strings, Coprime Range, Chef and Coupon, No Time to Wait, MaxEdges, Total Correct Submissions, Nobel Prize, Motivation, Pawri Meme, Matrix XOR, Weight Balance, Lucky Four, Suffix Sort, Possible Victory, Make the Sum Even, Birthday Gifts, Lunchtime, Valid Pair, World Record, Passing Marks, Chef On Island, Hiring Test, Bench Press, Lucky Boundaries, B - Valentine Couples, OR of ANDs, A - Save Water Save Life, Joker and Batman, Array Rotation, Special Triplets, Charges, Shortest Route, Xor Equality, Coldplay, Hoop Jump, Solubility, From Rational to Binary, Marathon, Bitwise Tuples, Plagiarism, Bella ciao, False Number, Lazy Chef, Correct Sentence, Total Components, Summer Heat, HTML Tags, Chefland Visa, XxOoRr, Richie Rich, The One On The Last Night, Chess Match, The Wave, Cyclic Quadrilateral, Optimal Denomination, Unpleasant Ones, Maximum Production, Relativity, Different String, Even tuples, XOR Equal, Chef In Infinite Plane, Chef and GCD, Chef and Spells, Three Dices, Equal Difference, Ceiling Sum, Maximum Array Xor, XOR-ORED, Chef and Bulb Invention, Mod Equality, Cricket Ranking, Shoe Fit, Chess Format, Shuffling Parities, Food Chain, Red Alert, Problem Difficulties, Olympics Ranking, Penalty Shots, Say No To Drugs, Black cells in a chessboard, Large Square, Bus full of passengers, Which Division, Odd GCD, K-th Maximum, Programming Languages, Crossing Blocks, Just a Graph, Hardest Problem Bet, Odd Repeat, Airline Restrictions, Travel Pass, The Old Saint And Three Questions, Meet In The Median, Longest AND Subarray, Digit Removal, Find the Direction, Obtain the Sum, The Two Dishes, Cars and Bikes, Zebra Crossing, Good Weather, Fake Swaps, Fake GCD, Adjacency Hatred, Make it Divisible, MEX-OR, A Subtask Problem, Three Boxes, Two Dishes, Prefix Sums, Chef in Vaccination Queue, Vaccine Dates , Maximum Light Up, The Preparations, Professor And Directions, Chef And Salary Pay, Yet another SOD problem, Diagonal movement, Drunk Alcoholic, Maximum Damage, Which Mixture, FIXFIX, RCB and Playoffs, Games of Wasseypur, Cool Name, Magical Planks, Clean The Sequence, Nice Pairs , Gold Mining, Lucky Number, Alternating Work Days, Pass or Fail, Chef and Pairing Slippers, Chef and Water Car, Exactly N plus 1 Values, Average Flex, 01 Subsequence, Problem Category, Weird Palindrome Making, Equal Coins, Which Fuel is Cheaper, Maximise the bridges, Binary Inversion, The One with Russ, GCD of Prefixes, Chef on Vacation, New Piece, Can_Reach, Disabled King, Odds and Evens, Can You Eat It, Product Pain, Make it Divisible, Compare those strings, Back to Campus, Make them equal, The One Where It All Began, The One with Ross Wedding, Minimum Number of Pizzas, Chef and Stock Prices , Strange Minimization, Rapid Re-Orderings, Again XOR problem, Valleys and Hills, List of Lists, Utkarsh and Placement tests, Yet another subarray problem, Remove Element, Balance Zeroes and Ones, Car Range, Game between friends, Chef and Contest, Sleepy Chef, Marbles, Median Minimization, The Squid Game, Stable Sequence, Genes, Brutal-Xors, Chef and Pal, Red Light, Green Light, Two Rooks, Keplers Law, Friends Meetup, Musical Chairs, World Chess Championship, Chef and Vacation Transportation , Chef Loves 1010, Subarray permutations, Maximum Trio, Romantic Reversals, Devendra and Water Sports, Count Number of Peaks, Akash and Grid, And Or Union, Covid and Theatre Tickets, Prime in a binary string, Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array, Palindromes Not Allowed, Mean Maximization, An Interesting Sequence, Mask Policy, TCS Examination, Chef and Fixed Deposits, Hungry Ashish, Equal Card Game, Elections in Chefland, Average of Three, Chef and Profits, Anti Palindrome, Avoid Contact, Chef and Subset Additions, Chef and Lockout Draws, Badminton Serves, Yet Another Constructive Problem, Binary Base Basics, Bitwise Blend, Equal MEX, Fixed Weight, N Queens Puzzle Solved !, Chef and the Hair Salon, Perfect Permutation, Points and Lines, Fit in Data Type, Chef and His Fruit Stand, Chef and NextGen, Xor Palindrome, Car or Bus, Valentine is Coming, Count the Notebooks, Hostel Room, Control the Pollution, Distinct Binary Strings, Get Lowest Free, Too many items, Shopping Change, Complete the credits, Guess the bottom face, Lazy Salesman, Peaceful Party, Prefix Permutation, Blackjack, Four Equidistant Points on a Grid, Good Program, Parallel Processing, Battery Low, Chef and Instant Noodles, Watching Movies at 2x, Chessboard Distance, Permutation Xority, Self Defence Training, Car Choice, Qualify the round, Count the Holidays, Janmansh and Games, Janmansh and Coins, Janmansh and Assignments, Janmansh at Fruit Market, Equal Mex Splitting, Subarray XOR, Alternating Divisibility, Substring of a Substring, Minimum Coloring, Swapping Chefs Way, Balanced Reversals, Adjacency Love, XOR and AND, Sign Moves, The Unchanging OR, Missing Numbers, Volume Control, Geometric Mean Inequality, Flip Sorting, Sticks and Rectangles, Digit Sum Parities, Dazzling GCD Pair, Prime Sum, Distinct Dilemma, The Cheaper Cab, Binary Mismatch, Pairwise Xors, Average Array, Good Permutation, Buckets Full of Candies, Mystical Numbers, Palindrome Pain, Buying Sweets, Who is taller!, Easy Permutation, Array Equality, The Attack of Queen, Good Pairs, Practice makes us perfect, How many unattempted problems, Even Subarray XOR, Xor Palindrome, Even Equal Odd, Subarrays with length, Score High, Make them Zero, Path Parity, Simple XOR, The two numbers, Break the Stick, First and Last, Reduce to zero, Minimum or Maximum, How Many Maximums, Possible GCD, The Optimal Pairs, Burgers, The Lost Array, Determine the Score, Maximize Difference, Equal by XORing, Triple Xor, Dense Bracket Sequence, The Attack of Knight, Jogging, Xor and Multiply, Fitness, Prime Xor, Strong Elements, Vowel Anxiety, Permutation And Median, K-MEX, Xor Permutation, Array sorting, Group Assignment, Game of Piles Version 1, Slow Solution, Copy and Push Back, Make Palindrome 2, Easy Pronunciation, Yet Another Palindrome Making Problem, Positive array, To Divide or Not To Divide, Sum of Product 1, Split The String, High Frequency, Monks, Air Blimp, Permutation GCD, Sum Product Segments, Average Permutation, Copy and Paste, Different Medians, Angled Flip, XOR with smallest element, Hello Equation, Two Trains, Minimum Sum, Black&White Ring Game, Odd Pairs, Make A and B equal, Team of Two, Permutation Clear, Distinct Numbers, OR Tuples, Interesting Subarray, Good Pairs, K-Subarrays, Maximize Colours, Far Away, Equalize AB, Stick Break, Maximum Expression, Two Different Palindromes, Maximum Subarray , Suspense String, Confusing Concatenations, Binary Substituition, Single Operation Part 1, Yet Another Palindrome Problem, Tax in Chefland, Minimise LCS, Weird Subarrays, Subarray Removal, Sorted Substrings, Make Multiple, One-XOR Deletions, Make Length 1, Maximum Angriness, Range Assign, Number of Distinct Elements Minimize, Spliting Balls, Good Binary Strings, Palindrome by Splitting, Akash and Dinner, Just Like Mob!, Counting Problem, Boring String, XOR Product, Make Money, Divisible by A_i, Gcd of Subarrays, Maximise XOR, Distinct Sequence, Kitchen Timings, Frequency Array Retrieval, Flip the Prefix, Asymmetric Swaps, Apples and oranges, N Triplets, Consecutive Xor, Append for OR, Array Halves, Lcm hates Gcd, Equal Hamming Distance, Prefix Ones, Three Powers of Two, Saving Taxes, Make Array Odd, Contruct Array, Take Not Less, Minimum Beauty , Spreading Charges, Concat Palindrome, Three Numbers, Bitwise Equation, Valid Expression, Permutation Subsequence, Prefix Permutation, Find eX, Difference Matrix, Order by XOR, Chef And Adjacent Sums, Efficient PAN Linking, Inversions of subsequences, IPL Ticket Rush, String Game , Unstable Subarray, Largest Y, AB plus C, Positive or Negative Subarrays, Anti Palindrome, Chef Odd, Possible or Not, The Vowel Matrix, Distance Coloring, Break Free, Boxes, Donation Drive, Transfusion Chain, EVacuate to Moon, Mex Array, Remove Multiples, 3-Blast Palindrome, Triplets Min, Ball Distribution, Codechef Copy, GCD Discount, Stamps 100, Minimize Xor Difference, Warrior Chef, Bit Play, Playing with OR, Guess the winner!, Unique xor, Divisible By 8, GCD and LCM, Dull Operation, Monsters, Prefixing, Beautiful Strings, Cursed Indices, Food Costs, Minimise Maximum Subarray Sum, Sum Neq , Rock-Paper-Scissors, Greedy LIS Algorithm, A PLUS B Remastered, Not Prime Permutation, Subset GCD, International Education Day!, Xorry 2, Xorry 1, K Odd Sum, Count Subarrays, Caesar Cipher Lite, Anti Adjacent Swaps, Check Adjacent Sum, Minimum And Maximum I, Transformation Cost, Minimum And Maximum II, Table Strength, Binary Minimal, Freedom
Contests (11):
March Long One 2022, Division 4 (Rated):
Akash and Function, Akash and Missing Class, Exact Marks, Discus Throw, Bath in Winters, Wordle
CodeChef Starters 29 Division 4 (Rated):
String protocol, Plusle and Minun on Array, Fill the Bucket, Tyre problem, Bomb the base
Learning Paths (0):
None
Practice Paths (40):
Basic Math using C++:
Multiple Choice Question, Fitness, Multiple Choice Question, Chef and Chocolates, Rearrange Code, Candy Store, Multiple Choice Question, Scalene Triangle, Multiple Choice Question, Favourite Numbers, Multiple Choice Question, 7 Rings
Strings:
Play Piano, Wordle, Malvika is peculiar about color of balloons, World Chess Championship, Efficient PAN Linking, Studying Alphabet, Lapindromes, Chef and Feedback, Chef and the Wildcard Matching, Password
Arrays:
Find maximum in an Array, The Squid Game, Bomb the base, Red Light, Green Light, Workers, Cops and the Thief Devu
Contributions
Problems Authored (0)
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Problems Tested (0)
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Editorials Contributed (0)
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