Mohammad Umar Sultan
- 4★umarsultan
- India
- Student
- Indian Institute of Technology Palakkad Kerala, India
- List of teams by Mohammad Umar Sultan
- No Active Plan. View Details
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Ratings System Update
(2021-07-31 21:00:02)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (982):
Practice:
Prime Generator, Transform the Expression, The Next Palindrome, Factorial, Small factorials, Marbles, Bytelandian gold coins, Ambiguous Permutations, Enormous Input Test, Sums in a Triangle, Simple Sorting, Not a Triangle, GCD2, ATM, Paying up, The Way to a Friends House Is Never Too Long, Life, the Universe, and Everything, A Very Easy Problem!, Paying up, Johnny and the Beanstalk, Nuclear Reactors, The Lead Game, Permutation Cycles, Discrepancies in the Voters List, A puzzle game, The Best Box, Arranging the Appetizers, Cleaning Up, A Simple Equation, Decreasing String, Cutting Recipes, Number Game Revisited, The Morning Commute, Pairing Chefs, Holes in the text, Three Way Communications, Money Transformation, Internet Media Types, Popular Rice Recipe, Correctness of Knight Move, Most Popular Friend, Garden Squares, BIT Magazine, Open the Dragon Scroll, Hotel Bytelandia, Chef Travel Routes, Subanagrams, Ciel and A-B Problem, Lucky Long, Count of Maximum, Spoon in Matrix, Fit to Play, Daily Train, Double Strings, Jewels and Stones, Little Elephant and Strings, Lucky lucky number, Little Elephant and Candies, Top Batsmen, Little Elephant and Bombs, Fierce Battles, Little Elephant and Lemonade, Gift Rift, Arranging Cup-cakes, Closing the Tweets, Racing Horses, Ciel and Receipt, Code Crazy Minions, Granama Recipes, Coin Flip, Recipe Reconstruction, Carvans, Buy1-Get1, Tourist Translations, Little Elephant and Permutations, Buying Sweets, Little Elephant and Divisors, The Minimum Number Of Moves, Pizza Delivery, Packaging Cupcakes, Reversing directions, Approximately, Minimum Distance, Many Chefs, Three Different Numbers, Snape and Ladder, The Ball And Cups, Fire Escape Routes, Row and Column Operations, Maximum Weight Difference, Helping Lira, Name Reduction, Your Name is Mine, Andrew and the Meatballs, Dessert Wizard, Lapindromes, Subtraction Game 1, Chef and Walking on the rectangle , Chopsticks, Maxim and Dividers, Attic Crossing, Splitting Candies, CAO Stage-1, Chef and The Right Triangles, Uncle Johny, Missing some chairs, Number Mirror, Magic Pairs, Mike and Matrices , Please like me, Chef and Girlfriend, Chef and Feedback, Longest Common Pattern, Little Elephant and Subarrays, Farmer Feb, Chef and String, Chef and Way, Walk, Little Chef and Numbers, Chef and Remissness, Chef and Kingship, Chef-jumping, Dividing Stamps, Chef and Frogs, Chef and Ground, Chef and Chain, Chef and Digit Jumps, Chef and Rainbow Array, Chef and Subarray, Shortest Path in Binary Trees, Chef and Left-Right, Divide the Cake, Ups and Downs, Stone, Count Substrings, Guessing Game, Reach The Point, Approximately II, Counting Flags, Sherlock and the Grid, The Smallest Pair, Subarray GCD, Copy-Paste, Sum Queries, Chef and Gift, Fun with Rotation, Harrenhal, Tanu and Head-bob, Chef and easy problem, Distinct Characters Subsequence, Chef and Notebooks, The Army, Walk on the Axis, XOR with Subset, Chef and Apple Trees, Brackets, Chef and Keyboard, Chef and Stones, Good Joke!, Fit Squares in Triangle, Piece of cake, Suraj goes shopping, Chef and Equality, Chef and Interview, Lucky Four, Broken Telephone, Andrash and Stipendium, Chef and Memory Limit, Chef and new recipe, Equality, Version Control System, Tickets, Chef and Cube, Devu and Grapes, 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, GCD and LCM, Second Largest, Small Factorial, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Chef and Dolls, Chef and his Sequence, Devu and friendship testing, Rupsa and the Game, Entrance Exam, Train Partner, Cops and the Thief Devu, Cooking Machine, Chef and Table Tennis, Count Subarrays, Count Steps in Matrix, Strange operations, Chef and Two Strings, Greedy puppy, Puppy and game, Who dares to be a millionaire, 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, emitL, Mahasena, Chef-Detective, Processing a string, Mutated Minions, Distinct Codes, Palindromic substrings, Chef and Pick Digit, Chef and Subarrays, Triangle Classification, Chef and Fruits, Malvika is peculiar about color of balloons, Chef and digits of a number, Digital clock, Alternating subarray prefix, Faded Palindromes, Chef and Socks, Chef and Coins Game, Chef and Three Dogs, Puppy and Sum, Chef and Chocolate, Chef and Ballons, Simple Statistics, Ada and crayons, Chef And Coloring, Movie Weekend, Cats and Dogs, Laddu, Coins And Triangle, Akhil And Colored Balls, Devu and an Array, Kitchen Timetable, Sticks, Collisions, One more weird game, Chef and Proportion, Chef and Numbers, Tweedle-Dee and Tweedle-Dum , Drumpf for President!, Studying Alphabet, Lazy Jem, Chef and Inequality, Watson asks Does Permutation Exist, Task for Alexey, The Largest Bouquet, Download file, Sebi and the highway, Chef and his Students, Chef and Subset, Extreme Encoding, Quentin Tarantino, Superheroes and villains, Nothing in Common, Digit Longest Increasing Subsequences 2, Chef and His Apartment Dues, Xenny and Alternating Tasks, Bear and Milky Cookies, Second Max of Three Numbers, Bear and Ladder, Cards Game, BST Operations, Similar Dishes, Bear and Candies 123, Bear and Segment 01, Chef and his daily routine, Courses in an university, A Good Set, Xenny and Coin Rankings, Snake Procession, Temple Land, La Liga, Snakes, Mongooses and the Ultimate Election, Two Numbers, Chang and Bitwise OR, Whats in the Name, Minimum Good Permutation, Find the Maximum Value, From heaven to earth, Mathison and pangrams, Max Mex, Little Chef and Sums, Subsequence Equality, A Balanced Contest, Chef and Cook-Off Contests, Modular GCD, Chef and Employment Test, Chef goes Left Right Left, Buggy Calculator, Ordering teams, Villages and Tribes, Days in Month, J - Reached Safely Or Not, K Fibonnaci, Random Pair, D - Triangle Count, Smart Strategy, Chef And his Cake, Good and Bad Persons, Uniform Strings, Spam Classification Using Neural Net, Coupon System, Football Match, Coder Life Matters, K-Concatenation, Rectangle, Chef and Game with Sequence, Chef And His Characters, Survive in ChocoLand, Mighty Friend, A Big Sale, Chef and Cook-Off, Matrix Game, Jumping in the hills, Mix the Colors, Chef and Glove, Help Voldemort, Chef Goes to the Cinema, Chef Judges a Competition, Chef and Friends, Magic Elements, Fibonacci String, Minimum Deletions, Workers, Xor Again, The Deadly Sin, Candy Love, Immortal Frieza, Majin Vegeta, Cut the Board, Two vs Ten, Cricket Score, Secret Recipe, Naive Chef, Trace of Matrix, 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, Magic Set, Strike or Spare, Encoding Message, Split Stones, Chef and Secret Ingredient, Chef and Bored Games, Chef and Polygon Cakes, Spell Bob, The Great Run, Kill them with your success, Magician versus Chef, Balsa For The Three, Chef and Problem Setting, Chef and Eid, Chef and Adventures, Ada School, Chef and Serves, Byte to Bit, ATM Machine, Make a Permutation, Judging Delay, Chef Restaurant , Qualifying to Pre-Elimination, Chef and SnackDown, Knight Chess, Ada King, Ada and the Staircase, Chef and Typing, Three Friends, Chef and Sequence, Chef and Difficult Contests, Truth and Dare, Cutting Pizza, Chef and Interactive Contests, Event, Chef and An Ideal Problem, Maximise the Sum, Play Piano, Life Limited, Camp Or Not, Valid Stack Operations, XOR! Wait for it, Is it a Cakewalk Problem, Print Pattern, Fancy Quotes, Ada King, The Nights Watch, Chef and Secret Ingredients, Appy and Contest, Deputy Chef, IPL and RCB, Buying New Tablet, Chef and Party, Chef and Number Game, Average Number, The Tricky Deal, UEFA Champions League, Friend or Girlfriend, FlatLand, Maximum Remaining, Testing Robot, Danny Wants To Know, Max power, When to take medicine, Making a Meal, Chef Learning Hungarian Algorithm, Reduce to One, Chef and Proxy, Guddu on a Date, Attendance, Chain Reaction, CV, Dilemma, Easy Fibonacci, Chef and Distinct Numbers, Chef and Sum, Chef and Pairs, Multiple Choice Exam, Eat Twice, Ping Paja Pong, Chef and Mean , Hard Sequence, Football, Distribute Apples, Playing with Strings, Easy Math, A - Books, Chef Drinks Coke, Chef and Interesting Subsequences , Eidi Gift, Plus Multiply, Phone Prices, Playing with Matches, Weird Modulo Problem , Chef Feeds Cats, Weapon Value, Discount in a Shop, Cakewalk, Medel, Select Training Set, Full Barrier Alchemist, The Promised Land, Dinosaurs Football, Khaled in HIT, How much Scholarship, Chef Diet, That Is My Score!, Compress the List, Train or Walk, Is This a Give Away, Safe Robots, Breaking Bricks, Change It, Usain Bolt vs Tiger, Check Algorithm, Chef and String, Chef Chick, Exam Cheating, Recruit Villagers, Even Matrix, School of Geometry, Bob and His Friends, Chef and Street Food, Pintu and Fruits, Hard Cash, Mr Pr in a Dilemma , Tax Slabs, Button Pairs, Find maximum in an Array, At the Gates, Find Your Gift, Box of Chocolates, Coronavirus Spread, Chef Swaps Digits, Good Prefix, Sell All the Cars, COVID Pandemic and Long Queue, Matrix Decomposition, Lift Requests, Another Birthday Present!, Chef and Numbers, Isolation Centers, Chef in Fantasy League, Chef and Recipe, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Weird Walk, Lost Weekends, Chef and Price Control, Cache Hits, Max Mex, Chef vs Doof, Chef and Demonetisation, 1 - Cakezoned, Chef and Card Game, Chef and Strings, Even-tual Reduction, OR-thodox Distinction, Winning Strategy, Priya and AND, Chef and Steps, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Maximum Candies, 2 - Sums divisible by 3, Polygon Relationship, Chef and Work, Mode of Frequencies, Bowling Strategy, Split the Str Ing, Decreasing Srrnmieeda, AND Plus OR, The One Who Knocks!, Flip the String, Chef and IPC Certificates, Interesting XOR!, Self-Destructing Strings, Hidden Numbers, Catch the Thief, The Begining Era Of Cyberverse, Three Letters, Minimum Attendance Requirement, Sed Sequences, One Zero Swaps, Bodybuilder, Point Of Impact, Daanish and Problems, Chef and Groups, Ashishgup and Interviews, Chef and Meetings, Prime Tuples, College Life 2, Distinct Pair Sums, College Life 5, College Life 4, Password, Maximise Function, Pair Me, Even Differences, Even Sum, Highest Divisor, Body Mass Index, College Admissions, Total Score, Server Trouble, Thief and Police, PCM Dilemma, Memcached Service, Chef and Laddus For Children, Palpal Strings, Smallest Possible Whole Number, Coprime Range, Chef and Coupon, Maximum Topological Sort, No Time to Wait, Total Correct Submissions, Turn It, Nobel Prize, Motivation, Pawri Meme, Matrix XOR, Weight Balance, Guess the Number, Lucky Four, Smart Phone, Possible Victory, Birthday Gifts, Valid Pair, World Record, Strong Language, Passing Marks, Chef On Island, The Last Problem, Chef in Heaven , Hiring Test, Bench Press, Lucky Boundaries, B - Valentine Couples, A - Save Water Save Life, Chocolate Monger, Equinox Strings, Array Rotation, Xor Equality, Coldplay, Hoop Jump, Golf, Solubility, Marathon, Vaccine Drive, HTML Tags, ICPC Balloons, Chefland Visa, Richie Rich, Chess Match, Cyclic Quadrilateral, Maximum Production, Relativity, Chef and Spells, Three Dices, Beautiful Subsequence, Cricket Ranking, Shoe Fit, Chess Format, Shuffling Parities, Food Chain, Red Alert, Longest Good Segment, Penalty Shots, Say No To Drugs, Black cells in a chessboard, Large Square, Which Division, 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, Fake GCD, Make it Divisible, A Subtask Problem, Three Boxes, Two Dishes, Prefix Sums, Vaccine Dates , Maximum Light Up, The Preparations, Professor And Directions, Chef And Salary Pay, Yet another SOD problem, Magical Doors, Diagonal movement, Drunk Alcoholic, Which Mixture, RCB and Playoffs, Cool Name, Magical Planks, Gold Mining, Alternating Work Days, Pass or Fail, Chef and Pairing Slippers, Exactly N plus 1 Values, Average Flex, Problem Category, Weird Palindrome Making, Equal Coins, The One with Russ, Chef on Vacation, New Piece, Can_Reach, Odds and Evens, Can You Eat It, Back to Campus, Make them equal, The One Where It All Began, Chef and Stock Prices , Rapid Re-Orderings, Utkarsh and Placement tests, Yet another subarray problem, Remove Element, Balance Zeroes and Ones, Car Range, Game between friends, Chef and Contest, Avoid Fixed Points, Genes, Chef and Pal, Red Light, Green Light, String protocol, Plusle and Minun on Array, Two Rooks, Keplers Law, Friends Meetup, Musical Chairs, World Chess Championship, Chef and Vacation Transportation , Chef Loves 1010, Equal Integers, Maximum Trio, 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, Covid Spread, Palindromes Not Allowed, An Interesting Sequence, Mask Policy, Chef and Fixed Deposits, Hungry Ashish, Equal Card Game, Elections in Chefland, Average of Three, Chef and Profits, Subarray Mex, Avoid Contact, Chef and Subset Additions, Chef and Lockout Draws, Badminton Serves, EVM Hacking, Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon, Akash and Function, Points and Lines, Fit in Data Type, Chef and His Fruit Stand, Chef and NextGen, Xor Palindrome, Careless Chef, 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, Blackjack, The product mystery, Four Equidistant Points on a Grid, Good Program, Parallel Processing, Battery Low, Fill the Bucket, Tyre problem, Chef and Instant Noodles, Watching Movies at 2x, Chessboard Distance, Permutation Xority, Bomb the base, 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, Alternating Divisibility, Substring of a Substring, Akash and Missing Class, Exact Marks, Alice and Marks, Integers that sum to the same value, Discus Throw, Bath in Winters, Wordle, Gift Shop and Coupon, Chef and Water Bottles, Swapping Chefs Way, Credit score, Chef and Chocolates, Chef and Races, Balanced Reversals, Increase IQ, Sad Splits, Minimum number of coins, Chef and Brain Speed, Chef and Gym, Chef and Masks, CRED Coins, The Three Topics, Alternating String, Sign Moves, Cup Finals, The Unchanging OR, Group Assignment, Economics Class, The Rating Dilemma, Maximize the Minimum, Binary String Cost, Volume Control, Finding Shoes, Geometric Mean Inequality, Sasta Shark Tank, Test Averages, Speed Limit Test, Bucket and Water Flow , Apples and Oranges, Chef and Chocolates, Course Registration, Funny Hand, Email Reminders, Dazzling GCD Pair, Prime Sum, Distinct Dilemma, The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Dark Light, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2, Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products, Expiring Bread, Lunchtime, Mario and Transformation, Mario and Bullet, Pair Pain, Water Requirement, Police and Thief, Jenga Night, Candy Distribution, Bob at the Bank, Equalizing Numbers, Six Friends, Best Coupon, Pseudo Sorted Array, Compress the Video, Who is taller!, Presents for Cheffina, Easy Permutation, Chef and Wire Frames, Chef and Chapters, Chef and Bird farm, Farmers League, Game of Pooks, Doubled Distances, The Mango Truck, Roller Coaster, Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum, Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP, Chef gives Party, Get Subscription, Dominant Army, Circular Track, Practice makes us perfect, How many unattempted problems, Recent contest problems, Problems in your to-do list, My very 1st contest!, A or B, Xor Palindrome, Chess Ratings, Score High, Total Prize Money, Degree of Polynomial, Path Parity, Determine the Winner, Rating Improvement, Playlist, Break the Stick, First and Last, Divisible by 3, 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, Biryani classes, Air Hockey, Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness, Chef and his Apps, Best of Two, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both, Bidding, Enough Space, Chef Drinks Tea, High Accuracy, Journey of the Knight, Counting Words, MATH1 Enrolment, Group Assignment, Game of Piles Version 1, Slow Solution, 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, Chef in his Office, Insurance, Hungry Chef, Is it hot or cold, Maximise the Tastiness, Valid Minimum, Discount, Mileage matters, Nearest Court, Split N, Final Population, TV Discount, Dominant Element, Sale Season, Maximum Submissions, Make A and B equal, AI Analysing Code, WA Test Cases, Air Conditioner Temperature, Height of Rationals, Car Trip, Greater Average, Odd Pairs, Weights, Number of Credits, Ticket Fine, Balls and Boxes, Fever, Broken Phone, Nearest Exit, Chefland Games, Far Away, Sleep deprivation, Flip the cards, Non-Negative Product
Contests (103):
DSA Learning Series - Contest 1:
Factorial, Life, the Universe, and Everything, Coin Flip, Carvans, Lapindromes, Reverse The Number, Smart Phone, Laddu, Multiple of 3
DSA Learning Series - Week 2:
Chefs in Queue, Compilers and parsers, Matched Brackets, Wormholes, Stupid Machine, Chef and Street Food, Penalty Shoot-Out II, Not All Flavours, Infix to Postfix
December Challenge 2020 Division 2:
Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
DSA Learning Series - Contest 5:
Count K-Primes, Zack And The Handkerchieves, Chef and Adventures, Chef and Semi-Primes, Appy and Contest, Easy Fibonacci, Chef and Squares
Getting started Practice Contest :
Find Second Largest, Raju and His Trip, Find Me, Reverse Me, Range Odd, Sum Is Everywhere, Add Natural Numbers, Factors Finding, Is Both Or Not, Buy Please, Valid Triangle Or Not, Triangle Everywhere, Triangle With Angle, Reverse Star Pattern, Alternative Square Pattern
June Challenge 2021 Division 2 (Unrated):
Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
Learning Paths (0):
None
Practice Paths (46):
Practice for ZCO and INOI:
Longest Palindrome, End of Corruption, Smart Phone, Video Game, Variation, Tournament, Matched Brackets, SUPW, IPL, Chewing, Wormholes
Strings:
N Buttons 1 Bulb, DNA Storage, Play Piano, Wordle, Malvika is peculiar about color of balloons, World Chess Championship, Studying Alphabet, Lapindromes, Chef and Feedback, Chef and the Wildcard Matching, Password
Arrays:
Compress the Video, Find maximum in an Array, Bomb the base, Red Light, Green Light, Kitchen Timetable, Workers, Count of Maximum, Cops and the Thief Devu
Basic Math:
Fitness, Test Averages, Second Max of Three Numbers, Chef and Chocolates, Integers that sum to the same value, Find Remainder, GCD and LCM, Sum of Digits, 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)
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Problems Tested (0)
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Editorials Contributed (0)
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