Charles Mathew
- 3★charles95
- India
- Professional
- Citi
- List of teams by Charles Mathew
- https://discuss.codechef.com/u/charles95
- No Active Plan. View Details
Activity Heat Map
NewRating Graph
Ratings System Update
(2023-01-18 23:00:02)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (905):
Practice:
Factorial, Marbles, Ambiguous Permutations, Enormous Input Test, Simple Sorting, ATM, Life, the Universe, and Everything, The Lead Game, Odd, Cleaning Up, Cooling Pies, Cutting Recipes, Holes in the text, Ciel and A-B Problem, Lucky Long, Count of Maximum, Absolute value of a number, Number of Odd and Even Numbers, Double Strings, Jewels and Stones, Little Elephant and Strings, Little Elephant and Candies, Top Batsmen, Racing Horses, Ciel and Receipt, Coin Flip, Carvans, Buy1-Get1, The Minimum Number Of Moves, Packaging Cupcakes, Snape and Ladder, Maximum Weight Difference, Andrew and the Meatballs, Lapindromes, Subtraction Game 1, Chopsticks, Chef and The Right Triangles, Uncle Johny, Statues, Number Mirror, Chef and Feedback, Farmer Feb, Chef and Remissness, Chef-jumping, Dividing Stamps, Chef and Ground, Ups and Downs, Count Substrings, The Smallest Pair, Chef and Gift, Tanu and Head-bob, Chef and easy problem, Chef and Notebooks, Mangalyaan-2, Three elements, The last cracker, Piece of cake, Lucky Four, Andrash and Stipendium, Equality, Version Control System, Tickets, Pile of Coins, Add Two Numbers, Find Remainder, First and Last Digit, Smallest Numbers of Notes, Sum of Digits, Helping Chef, Total Expenses, Id and Ship, Gross Salary, Valid Triangles, Grade The Steel, Gregorian Calendar, GCD and LCM, Second Largest, Small Factorial, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Chef and Dolls, Devu and friendship testing, Make XOR zero, Train Partner, Chef and Table Tennis, Count Subarrays, Count Steps in Matrix, Strange operations, Chef and Two Strings, Greedy puppy, Chef and the Wildcard Matching, Minimum Maximum, Chef And Operators, Delete and Find Sum , Mahasena, Processing a string, Mutated Minions, Distinct Codes, Chef and Subarrays, Chef and Fruits, Malvika is peculiar about color of balloons, Chef and digits of a number, Alternating subarray prefix, Chef and Socks, Puppy and Sum, Chef and Chocolate, Simple Statistics, Chef And Coloring, Movie Weekend, Cats and Dogs, Laddu, Akhil And Colored Balls, Devu and an Array, Kitchen Timetable, Sticks, Chef and Proportion, Drumpf for President!, Studying Alphabet, Mahasena , Find The Digits, Watson asks Does Permutation Exist, Aniket in dillema, Download file, Princess Poppy, Sum the Alphabets, Nothing in Common, Paper Craft, Chef and His Apartment Dues, Bear and Milky Cookies, Second Max of Three Numbers, Bear and Ladder, Dish Of Life, Similar Dishes, An Apple a day, Bear and Candies 123, Bear and Segment 01, A Good Set, Snake Procession, La Liga, Snakes, Mongooses and the Ultimate Election, Two Numbers, Chang and Bitwise OR, Find the Maximum Value, From heaven to earth, Mathison and pangrams, Fast Exponentiation, A Balanced Contest, Chef and Cook-Off Contests, Villages and Tribes, J - Reached Safely Or Not, Random Pair, Good and Bad Persons, Football Match, Coder Life Matters, Rectangle, Chef and Game with Sequence, A Big Sale, Chef and Cook-Off, Fear Of 21, Jumping in the hills, Chef and Glove, Chef Judges a Competition, Mussadi lal and stairs, Magic Elements, Minimum Deletions, Workers, Xor Again, The Deadly Sin, Candy Love, Cut the Board, Two vs Ten, Secret Recipe, Naive Chef, Trace of Matrix, Remainder, 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, Archi and Comparsion, Counting Pretty Numbers, Strike or Spare, Encoding Message, Chef and Secret Ingredient, Chef and Bored Games, The Great Run, Magician versus Chef, Balsa For The Three, Chef and Eid, Ada School, Chef and Serves, ATM Machine, Judging Delay, Decode message, Qualifying to Pre-Elimination, Chef and SnackDown, Ada and the Staircase, Chef and Typing, Three Friends, Chef and Sequence, Chef and Difficult Contests, Chef and Interactive Contests, Maximise the Sum, Play Piano, Valid Stack Operations, XOR! Wait for it, Is it a Cakewalk Problem, Distinct Pairs, Fancy Quotes, Ada King, Man with No Name, IPL and RCB, Buying New Tablet, Chef and Party, Chef and Number Game, Average Number, The Tricky Deal, FlatLand, Maximum Remaining, Testing Robot, Danny Wants To Know, Max power, Find The Sum, The Last One, Making a Meal, Attendance, CV, Chef and Distinct Numbers, Chef and Sum, Multiple Choice Exam, Ping Paja Pong, Chef and Mean , Football, Distribute Apples, Playing with Strings, Easy Math, A - Books, Prajit and bits, Eidi Gift, Plus Multiply, Playing with Matches, Weird Modulo Problem , Medel, Bharath and his strings, Debanjan got a Date, Dinosaurs Football, How much Scholarship, Chef Diet, That Is My Score!, Breaking Bricks, Change It, Check Algorithm, Abhinav and Electric Circuit, Fall in Love, Chef Chick, Recruit Villagers, Triangle Love , Halva, School of Geometry, Mr Pr in a Dilemma , Find maximum in an Array, Find Your Gift, The Sum Game, Sift The Numbers, Save Wuhan, Guess Game, A Problem on Sticks, Chef vs Doof, Doof on Cartesian, Chef and Demonetisation, Priya and AND, 2 - Sums divisible by 3, Polygon Relationship, Chef and Work, THE BUNKING GUY, Mode of Frequencies, GCD operations, Watermelon, Equal Chocolates, Split the Str Ing, AND Plus OR, Print Sub-Array, Even Pair Sum, Vaccine Distribution, Hidden Numbers, The Begining Era Of Cyberverse, Help santa, Minimum Attendance Requirement, Sed Sequences, One Zero Swaps, Chef and Division 3, FINISH ALL THE SWEETS, Daanish and Problems, Chef and Groups, Ashishgup and Interviews, Minimum Steps, Prime Tuples, Distinct Pair Sums, Maximise Function, Pair Me, Even Differences, Even Sum, Highest Divisor, Body Mass Index, Total Score, PCM Dilemma, Smallest Possible Whole Number, Chef and Coupon, No Time to Wait, Total Correct Submissions, Turn It, Nobel Prize, Motivation, Pawri Meme, Weight Balance, Lucky Four, Smart Phone, Possible Victory, Make the Sum Even, Valid Pair, World Record, Passing Marks, Chef On Island, Chef in Heaven , Hiring Test, Lucky Boundaries, B - Valentine Couples, A - Save Water Save Life, Chocolate Monger, Equinox Strings, Xor Equality, Coldplay, Hoop Jump, Solubility, Marathon, False Number, Lazy Chef, Summer Heat, ICPC Balloons, Chefland Visa, Richie Rich, Chess Match, Cyclic Quadrilateral, Unpleasant Ones, Maximum Production, Relativity, Chef and Spells, Three Dices, Equal Difference, Cricket Ranking, Shoe Fit, Chess Format, Shuffling Parities, Food Chain, Red Alert, Olympics Ranking, Penalty Shots, Say No To Drugs, Black cells in a chessboard, Large Square, Which Division, Odd GCD, Maximum Length Even Subarray, Programming Languages, Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum, Airline Restrictions, Travel Pass, The Old Saint And Three Questions, The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes, Cars and Bikes, Good Weather, Make it Divisible, A Subtask Problem, Three Boxes, Two Dishes, Prefix Sums, Vaccine Dates , The Preparations, 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, Gold Mining, Alternating Work Days, Pass or Fail, A - Bob and Strings, Chef and Pairing Slippers, Problem Category, The One with Russ, Partition It, Chef on Vacation, Can_Reach, Disabled King, Odds and Evens, Can You Eat It, The One Where It All Began, Minimum Number of Pizzas, Chef and Stock Prices , Eren and Reiner, Remove Element, Car Range, Game between friends, Chef and Contest, Sleepy Chef, Indivisible Permutation, The Squid Game, Stable Sequence, Genes, Chef and Pal, Red Light, Green Light, String protocol, Two Rooks, Friends Meetup, Manhattan Buddies, Chef and Vacation Transportation , Chef Loves 1010, Equal Integers, Subarray permutations, Devendra and Water Sports, Favourite String of Chef, Akash and Grid, Covid and Theatre Tickets, Prime in a binary string, Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array, Spider Set, Palindromes Not Allowed, Mean Maximization, An Interesting Sequence, Mask Policy, Hungry Ashish, Even Subset Xor, Equal Card Game, Elections in Chefland, Chef And His Assignment, Avoid Contact, Chef and Subset Additions, Chef and Lockout Draws, Badminton Serves, REPEAT, Equal MEX, TEST, Points and Lines, Fit in Data Type, Chef and His Fruit Stand, Chefs New Year Letter, Careless Chef, Car or Bus, Valentine is Coming, Count the Notebooks, Hostel Room, Control the Pollution, Chocolate Milkshake Recipe, Binary Robot, Distinct Binary Strings, Get Lowest Free, Too many items, Shopping Change, Complete the credits, Guess the bottom face, Lazy Salesman, Peaceful Party, Blackjack, The product mystery, Olympic Record, Dora and her Blocks, Buying more Chocolates, Good Program, Journey To College, Pretty Beaded Chain, Parallel Processing, Battery Low, Fill the Bucket, Tyre problem, Chef and Instant Noodles, Watching Movies at 2x, Chessboard Distance, Permutation Xority, Bomb the base, Backpacking Assignments, Self Defence Training, Car Choice, Qualify the round, Offline Exams Incoming, Count the Holidays, Janmansh and Games, Janmansh and Coins, Janmansh and Assignments, Janmansh at Fruit Market, WCE Imagica Tour, Another Permutation Problem, Three Section and Chemicals, Alice and Marks, Integers that sum to the same value, Chef and Water Bottles, Credit score, Maximize Magical Wands, Chef and Chocolates, Balanced Reversals, Minimum number of coins, Buy 2 Get 1 Free, Chef and Brain Speed, Chef and Gym, Chef and Masks, CRED Coins, Alternating String, Sign Moves, Cup Finals, Group Assignment, Economics Class, Binary String Cost, Volume Control, Finding Shoes, Geometric Mean Inequality, Test Averages, Speed Limit Test, Bucket and Water Flow , Apples and Oranges, Chef and Chocolates, Course Registration, Email Reminders, Dazzling GCD Pair, First Day, The Cheaper Cab, Growing Rivalry, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Dark Light, The Cooler Dilemma 2, Is the Score Consistent, Good Quality Bulbs, Positive Products, Expiring Bread, Lunchtime, Mario and Transformation, Cheems Lamnguage, Mario and Bullet, Water Requirement, Police and Thief, Jenga Night, Candy Distribution, Chef and Happy String , Equalizing Numbers, Pseudo Sorted Array, Compress the Video, Who is taller!, Presents for Cheffina, Easy Permutation, Array Equality, Chef and Chapters, Chef and Bird farm, Farmers League, Game of Pooks, The Mango Truck, Roller Coaster, Laptop Recommendation , Infernos, Sugarcane Juice Business, The Attack of Queen, Miami GP, Chef gives Party, Get Subscription, Average Gift, Dominant Army, Circular Track, Difficulty Rating Order, How many unattempted problems, Recent contest problems, Problems in your to-do list, My very 1st contest!, A or B, Chess Ratings, Doubt Support Availability, Whatsapp Messages, Take discount or Not, Determine the Winner, Rating Improvement, Playlist, Break the Stick, First and Last, Divisible by 3, How Many Maximums, Age Limit, Equal Distribution, Minimum number of Flips, Chairs Requirement, Subscriptions, Divisible by i , Alternate Additions, Equal Strings, Zero Ones Equal One Zeros, Burgers, DNA Storage, Joining Date, Waiting Time, It is My Serve, Too many Floors, Determine the Score, Chef and Balls, Chef and Biceps, Biryani classes, Air Hockey, Abhedyam, Chef and his Apps, Best of Two, Adjacent Sum Parity, Change Row and Column Both, Bidding, Enough Space, Chef Drinks Tea, High Accuracy, Sort the String, Counting Words, MATH1 Enrolment, Disturb and Destroy, Pass the Exam, Chef and Candies, Chef On Date, Construct N, End Sorted, Minimum Coins, Chess Time, Buy Lamps, Fill The Grid, Passes for Fair, Fill Candies, Interior Design, The Last Levels, Easy Pronunciation, True and False Paper, N Buttons 1 Bulb, To Divide or Not To Divide, Is it hot or cold, Maximise the Tastiness, Valid Minimum, Discount, Mileage matters, Nearest Court, Split N, Final Population, TV Discount, Dominant Element, Make A and B equal, Missing Student, AI Analysing Code, WA Test Cases, Air Conditioner Temperature, Height of Rationals, Car Trip, Greater Average, Odd Pairs, Make A and B equal, Weights, Equal Distinct, Number of Credits, Ticket Fine, Balls and Boxes, Fever, Broken Phone, Good Pairs, Lucky Numbers, Nearest Exit, Chefland Games, Far Away, 01-TIME STONE, Sleep deprivation, Flip the cards, Equalize AB, Stick Break, Non-Negative Product, Break the elements, Ranklist Pages, Reach the Target, Remove Bad elements, Audible Range, Expert Setter, Speciality, Building Race, Single Operation Part 1, Tax in Chefland, Paper Cutting, Palindrome Flipping, Card Removal, Different Consecutive Characters , Reach on Time, Odd Sum Pair, Make Multiple, Final Sum, X Jumps, Max minus Min, Test Score, The Quiz Finale, Packing Books, Tasty Decisions, Avoid Squares Please, Mario and the Broken String, Luigi and Uniformity, Parity, Candies, Distinct Colors, Water Consumption, Finding the Empty Gift Boxes, Hackerman, String Game, Binary Battles, Squats, Monopoly in Chefland, Minimum Number of Ones, Counting Problem, Reyna & String, Tour of King, Expense List, Rain in Chefland, Bull or Bear, Make AP, Make Money, Maximise XOR, Scalene Triangle, Convert to permutation, Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Pet Store, Prime Reversal, Instagram, Facebook, Snapchat, Perfect Trio, Indivisible, Apples and oranges, Sum it, Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers, Append for OR, Mana Points, Battery Health, Redistributing Chocolates, Overspeeding Fine, Read Pages, Yet Another Easy Problem, Three Powers of Two, Two Ranges, Saving Taxes, Profit Increment, Zero String, 400M Race, Bi_lindrome!, Permutation and Modulus, Netflix, Tekken, Tom and Jerry Chase, Codechef Airlines, Passing Marks, Candy Store, Good Turn, Welcome to Quark 23, Math Festival , Distinct Opposite Sums, Better Deal, Ageing, Make Square, Valid AP, Just One More Episode, Single-use Attack, Running Comparison, Reach at the Party (Easy Version), Equal Elements, Divide Pages, Maximum Capacity, Sunny Day, Crying Child, Fallacy of Wasseypur, Reach Home, MIN To MAX, Candy Division, Chef Eren, Budget of Technex, Couple Game, Chef and Donation, Elections in Chefland, Max Binary, Melt Gold, Four Tickets, Buy Ten Packets, Efficient PAN Linking, Return the Change, Inside The Stadium, IPL Ticket Rush, Can Chef , Bheem and Kichak , Fastest Way To Murph, Cricket Match, Chef and Battery , CodeChef Learn Problem Solving, Musklon, Existence, Monopoly, Plus 2 or Minus 1, Parliament, DDMM or MMDD, Masterchef finals, Online or Offline, Largest and Second Largest, To the Moon, Learning SQL, AP Free Sequences, Printing Binary Array, Favourite Numbers, Rectangular Tiling, Odd GCD Permutation, Blobby Volley Scores, Bus Seat Numbering, Parking Charges, The Gift, Gymkhana Election IIIT-A, CodeChef Streak, Dotify Playlist, Water Filling, Oneful Pairs, Right There, 7 Rings, Problem, Donation Drive, Donation Rewards, Messi vs Ronaldo, FIND A and B, Bells of Pilgrimage, AB Difference, Airport Management, 2000, Best of Two, Endless Appetizers, Puzzle Hunt, Selling Popsicles, All New CodeChef, Lucky Seven, Slow Start, Air Quality Index, Trade Surplus, Chocolate Distribution, Work Smarter, Not Harder, Off By One, Unique Treat, Sports Section, Selling Insurance, Chef and Stocks, Fan Poll, Chef Fantasy 11, Peter And Haunted Garden, Sunday Brunch, October Marathon, Dice Number, Pizza Cutting, Double Rent, Bone Appetit, Dracula Eats, Survival Time, Rivalry, Pending Assignments, Clear Day, Chess Pairing, OR Permutation, Cricket World Cup Qualifier, Worth of a Video, Water Park, Airlines, Am I Lucky!, Reach Codetown, Exams, 404 Not Found, Food Costs, Fair Share Settlement, Maximum Score , Make N Zero, Thala For A Reason, Painting Walls, Christmas Greetings, Decorating Christmas Tree, Chocolate Distribution, Codechef Round, Hattrick, Minimum Wage, Access Control, Yearly Phone
Contests (190):
DSA Learning Series - Contest 1:
Factorial, Life, the Universe, and Everything, Coin Flip, Carvans, Lapindromes, Reverse The Number, Smart Phone, Laddu, Multiple of 3
June Challenge 2020 Division 2:
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
July Challenge 2020 Division 2:
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
February Long 2022 - I, Division 2 (Unrated):
Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon
February Long 2022 - II, Division 2 (Unrated):
Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome
March Long One 2022, Division 2 (Unrated):
Akash and Function, Akash and Missing Class, Discus Throw, Bath in Winters, Wordle
March Long Two 2022, Division 2 (Unrated):
Chef and Races, Increase IQ, The Three Topics, The Rating Dilemma
May Long Two 2022 Division 2 (Unrated):
Practice makes us perfect, Xor Palindrome, Score High, Total Prize Money, Make them Zero, Degree of Polynomial
June Long Two 2022 Division 2 (Unrated):
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness
Learning Paths (49):
Logic Building in Java:
Data Types, How to accept integer inputs, How to accept multiple inputs in a line
Learn Java:
Introduction, Printing text, Arithmetic Operations, MCQ - 1, MCQ - 2, Multiple Outputs, Understanding the print command, Area & Perimeter of Rectangle, Rearrange Code
Learn Advance Java:
Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, Quiz, How to create Classes and Objects, Quiz, Quiz, What are Methods, Practice - Methods, Method Overloading, Practice - Method Overloading, What are Constructors, Constructor Overloading, Practice - constructor overloading, Quiz, What is Inheritance, What is Polymorphism
Practice Paths (136):
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
Practice Java:
Multiple Choice Question, Number Mirror, Rearrange Code, Multiple Choice Question, Chef and Instant Noodles, Multiple Choice Question, CodeChef Learn Problem Solving, Multiple Choice Question, Chef and Brain Speed, Multiple Choice Question
500 difficulty rating:
Cricket World Cup Qualifier, Lucky Seven, Clear Day, Double Rent, Saving Taxes, Masterchef finals, Biryani classes, Chef Plays Ludo, How many unattempted problems, Determine the Score, 404 Not Found, Off By One, Donation Drive, Kitchen Timings, IPL Ticket Rush, Audible Range, Reach on Time, Puzzle Hunt, Bone Appetit, Who is taller!, Reach the Target, Best of Two, 2000, Roller Coaster, Candy Division, Chef On Date, Parity, Total Prize Money, Counting Words, Battery Health, Tom and Jerry Chase, Ageing, Right There, Second Max of Three Numbers, Bull or Bear, Four Tickets, Chairs Requirement, Chef and Donation, Sum it, Get Subscription, Messi vs Ronaldo, Waiting Time, October Marathon, Just One More Episode, Mana Points, Rain in Chefland, Overspeeding Fine, Chess Time, Passes for Fair, Read Pages, Couple Game, Air Quality Index, Fever
Strings:
DNA Storage, N Buttons 1 Bulb, Wordle, Play Piano, Different Consecutive Characters , Malvika is peculiar about color of balloons, World Chess Championship, DDMM or MMDD, Chef and Happy String , Efficient PAN Linking, Blobby Volley Scores, Studying Alphabet, Lapindromes, Chef and Feedback, Chef and the Wildcard Matching
Arrays:
Compress the Video, Find maximum in an Array, Take discount or Not, Snapchat, Cost of Groceries, The Squid Game, MIN To MAX, Bomb the base, Running Comparison, Red Light, Green Light, Largest and Second Largest, Kitchen Timetable, Difficulty Rating Order, CodeChef Streak, Candies, Workers, Count of Maximum
Basic Math:
Fitness, Test Averages, Second Max of Three Numbers, 7 Rings, Chef and Chocolates, Make AP, Find Remainder, Integers that sum to the same value, Candy Store, Minimum Number of Ones, Scalene Triangle, Negative Product, Sum of Digits, GCD and LCM, Favourite Numbers, Make A and B equal, Construct N, Alternate Additions, Farmer And His Plot, Two vs Ten, Puppy and Sum, Divisible by 3, Balls and Boxes
Contributions
Problems Authored (0)
No Contribution
Problems Tested (0)
No Contribution
Editorials Contributed (0)
No Contribution