Michael Colson

Practice: 

Prime Generator, Transform the Expression, Factorial, Small factorials, Ambiguous Permutations, Enormous Input Test, Sums in a Triangle, Turbo Sort, GCD2, ATM, Paying up, Life, the Universe, and Everything, Paying up, Prime Palindromes, The Lead Game, Permutation Cycles, Discrepancies in the Voters List, The Best Box, Yet Another Number Game, Arranging the Appetizers, Cleaning Up, Decreasing String, Birthday Candles, Cutting Recipes, Number Game Revisited, Pairing Chefs, Holes in the text, Three Way Communications, A Prime Conjecture, Internet Media Types, Correctness of Knight Move, Misinterpretation, Garden Squares, Open the Dragon Scroll, Moving Coins, Subanagrams, Lucky Count, Ciel and A-B Problem, Lucky Long, Count of Maximum, Spoon in Matrix, Fit to Play, Daily Train, Jewels and Stones, Little Elephant and Strings, Lucky lucky number, Little Elephant and Candies, Little Elephant and Mouses, Little Elephant and Exams, Little Elephant and Bombs, Little Elephant and Lemonade, Gift Rift, Arranging Cup-cakes, Event Organizer, Delivery Boy, Racing Horses, Ciel and Receipt, Code Crazy Minions, Coin Flip, Carvans, Buy1-Get1, Tourist Translations, Little Elephant and Permutations, Buying Sweets, Equalization, Little Elephant and Divisors, The Minimum Number Of Moves, Packaging Cupcakes, Reversing directions, Chef of the Year, Approximately, Minimum Distance, Many Chefs, Three Different Numbers, Snape and Ladder, The Ball And Cups, Hello Hello, Lack of Logic, Row and Column Operations, Maximum Weight Difference, Helping Lira, Superpowers of 2, Name Reduction, Your Name is Mine, Andrew and the Meatballs, Dessert Wizard, Andrew and the Meatballs again, Predictopus, The Probability Of Winning, Lapindromes, Subtraction Game 1, Chef and Walking on the rectangle , Chopsticks, A Plus B Again!, Maxim and Dividers, Count K-Primes, Attic Crossing, Splitting Candies, Chef and The Right Triangles, Chef and The Divisibility Queries, Polo the Penguin and the Test, Uncle Johny, Missing some chairs, Number Mirror, Magic Pairs, Chef and Girlfriend, Chef and Feedback, Longest Common Pattern, Little Elephant and Subarrays, Farmer Feb, Chef and String, Compilers and parsers, Chef and Way, Walk, Little Chef and Numbers, Chef and Remissness, Chef and Kingship, Chef-jumping, Dividing Stamps, Chef and Reversing, Chef and Ground, Chef and Chain, Chef and Subarray, Chef and Bracket-Pairs, Shortest Path in Binary Trees, Divide the Cake, Count Substrings, Reach The Point, Sherlock and the Grid, The Smallest Pair, Subarray GCD, Chef and sequence, Copy-Paste, Sum Queries, Fun with Rotation, Harrenhal, Tanu and Head-bob, Magical Girl and Colored Liquid Potions, 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 Stones, Good Joke!, Fit Squares in Triangle, Piece of cake, Suraj goes shopping, Tojo hates probabilities, Chef and Equality, Lucky Four, Broken Telephone, Chef and Memory Limit, 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, Make XOR zero, Train Partner, Cops and the Thief Devu, Maximize Disjoint Pair Sum, Cooking Machine, Time measure, 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 XORed Number , Chef and the Wildcard Matching, Minimum Maximum, Sum of palindromic numbers, Chef And Operators, Oracle Devu and Longest Common Subsequence, Mahasena, Chef-Detective, Processing a string, Chef and Tetris, Distinct Codes, Black And White Cells, Palindromic substrings, Sereja and Line, Sereja and Array and Subtracting, Chef and Subarrays, Chef and Fruits, Malvika is peculiar about color of balloons, Crazy Malvika discovers Crazy Fibonacci function, Digital clock, Alternating subarray prefix, Chef and Socks, Puppy and Board, Chef and Three Dogs, Puppy and Sum, Chef and Chocolate, Simple Statistics, Ada and crayons, Chef And Coloring, Movie Weekend, Odd Divisors, Chef and Soccer, Chef and Big Soccer, Coins And Triangle, Akhil And Colored Balls, Phantasialand, Akhil And Random String, Kitchen Timetable, Better Maximal Sum, K-good Words, Sticks, Right Triangle, Chef and Robots Competition, Art, Sharing Candies, N different palindromes, Collisions, One more weird game, Good Numbers, Chef and Proportion, Chef and Numbers, Chef and squares, Tweedle-Dee and Tweedle-Dum , Drumpf for President!, Studying Alphabet, Lazy Jem, Chef and Inequality, Watson asks Does Permutation Exist, ChefWatson uses Social Network, Task for Alexey, Help Lost Robot!, Beautiful Arrays, Watson and Digit Sums, Download file, Sebi and the highway, Chef and his Students, Chef and Subset, Extreme Encoding, Quentin Tarantino, Nothing in Common, Digit Longest Increasing Subsequences 2, Chef and His Apartment Dues, Xenny and Alternating Tasks, Bear and Extra Number, Bear and Milky Cookies, Safe Robot, Bear and Ladder, Bear and Row 01, Bear and Shop Trip, 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, Snake Procession, Temple Land, La Liga, Prefix Inversions, Team Formation For Snackdown, A temple of Snakes, SnackUp, Snakes, Mongooses and the Ultimate Election, Two Numbers, Chang and Bitwise OR, Chang and the Perfect Function, Roommate Trouble, Find the Maximum Value, From heaven to earth, Mathison and pangrams, Subsequence Equality, Chef and Cook-Off Contests, Modular GCD, Chef and Employment Test, Chef and Weird Queries, Buggy Calculator, Periodic Palindrome Construction, 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, Optimize The Slow Code, Coupon System, Beautiful Array, Football Match, Coder Life Matters, Rectangle, Chef and Game with Sequence, Chef And His Characters, Survive in ChocoLand, A Big Sale, Chef and Cook-Off, Jumping in the hills, Chef and Glove, Chef Goes to the Cinema, Chef Judges a Competition, Chef and Friends, Three Integers, Magic Elements, Fibonacci String, Minimum Deletions, Workers, Xor Again, The Deadly Sin, Candy Love, Cut the Board, Binary Nim, Two vs Ten, Secret Recipe, Sheokand and String, 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, Good Permutations, Counting Pretty Numbers, Encoding Message, Split Stones, Chef and Secret Ingredient, Chef and Bored Games, Chef and Sorting, The Great Run, Balsa For The Three, Chef and Eid, Bad Shuffle, Chef and Serves, ATM Machine, Make a Permutation, Judging Delay, Qualifying to Pre-Elimination, Chef and Operations, Chef and SnackDown, Chef and Semi-Primes, Knight Chess, Chef and Strange Addition, Ada and the Staircase, Chef and Typing, A Game of Robots, Appy Loves One, Three Friends, Chef and Sequence, Good Median, Chef and Two Queens, Truth and Dare, Cheating on Queue, Yet Again a Subarray Problem

May Challenge 2016: 

Forest Gathering, Chef and Balls, Laddu

June Challenge 2016: 

Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

July Challenge 2016: 

Andrash and Stipendium, Chefland and Electricity

September Challenge 2016: 

Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016: 

Chef and Keyboard

CODE BLOODED: 

Mr Lathi and his Numbers, MUDDLED ROHAN, Sukhs Documentation

April LoC Competitive Programming Marathon: 

Rolling in the Deep

May LoC Competitive Programming Marathon: 

Cycle Race, Hungry Harish

June LoC Competitive Programming Marathon: 

Skyscraper Equilibrium

January Challenge 2017: 

Cats and Dogs

April Challenge 2017: 

Dish Of Life, Similar Dishes

June Challenge 2017: 

A Good Set, Pairwise union of sets, Triplets, Chef and the Feast, Xenny and Coin Rankings

July Challenge 2017: 

Chef and Sign Sequences, Whats in the Name, Calculator

August Long Challenge 2017: 

Chef and Rainbow Array

September Challenge 2017: 

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017: 

Max Mex, A Balanced Contest, Counter Test For CHEFSUM

May LoC Competitive Programming Marathon: 

Bond And Fond

LoC June 2017: 

Little Chef and Cake, Harry and magical number, Kth Character, The Riddler

Innerve's Summer Code Challenge: 

Suhana and Matrix World, Girls and Security Patrol

LoC Aug 2017: 

Princess and Beauty

June Challenge 2018 Division 2: 

Naive Chef, Binary Shuffle

July Challenge 2018 Division 2: 

Magic Set, Strike or Spare, No Strings Attached

August Challenge 2018 Division 2: 

Problem Sort, Sheokand and Number, Spell Bob

September Challenge 2018 Division 2: 

Chef and Adventures, War of XORs, Magician versus Chef

November Challenge 2018 Division 2: 

Chef and Ridges, Appy Loves One, Chef, Primes and Trees (Challenge), Chef and Difficult Contests, Chef and Happiness

February Challenge 2019 Division 2: 

Deputy Chef, Art of Balance, Appy and Contest, Chef and Secret Ingredients, Guess It Right, Manhattan Rectangle, Chef and Magical Jars

March Challenge 2019 Division 2: 

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit, (Challenge) Interleaving Strings

April Challenge 2019 Division 2: 

Friend or Girlfriend, Maximum Remaining

October Challenge 2019 Division 2: 

Phone Prices

February Challenge 2020 Division 2: 

No Change Required, Hard Cash, School of Geometry, The Theatre Problem

March Challenge 2020 Division 2: 

XOR Engine, Ada Bishop 2, Pintu and Fruits

February Challenge 2021 Division 2: 

Frog Sort, Team Name, Prime Game, Maximise Function

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