Micheal O Brien
- 3★mobrien
- Ireland
- Professional
- ChronoCow
- No Active Plan. View Details
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Ratings System Update
(2021-09-20 00:30:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
None
Practice Paths (0)
None
Contests (44)
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
January Cook-Off 2019 Division 2
Ada School, Ada King
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit, (Challenge) Interleaving Strings
March Cook-Off 2019 Division 2
UEFA Champions League
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
April Cook-Off 2019 Division 2
Making a Meal, Chef Learning Hungarian Algorithm
May Challenge 2019 Division 2
Reduce to One
May Cook-Off 2019 Division 2
Chain Reaction, Recover the Sequence
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
September Challenge 2019 Division 2
Easy Fibonacci, Chef Designed a Network, Chef and Interesting Subsequences
October Challenge 2019 Division 2
Even Edges, Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
December Challenge 2019 Division 2
Plus Multiply, Easy Subsequence Selection, That Is My Score!
January Challenge 2020 Division 2
Doraemon, Equality, Breaking Bricks
February Challenge 2020 Division 2
The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP
September Challenge 2020 Division 2
A Problem on Sticks, Ada Matrix, Coronavirus Spread 2
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work, K-Foldable String
October Challenge 2020 Division 2
Positive AND, Replace for X, Covid Run, Chef and Easy Queries
November Challenge 2020 Division 2
Connect on a Grid (Challenge), Restore Sequence, Ada and Dishes, Iron, Magnet and Wall
January Challenge 2021 Division 2
Watching CPL, Fair Elections, Chef and Division 3, Encoded String
December Challenge 2020 Division 2
Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
October Cook-Off 2020 Division 2
Split the Str Ing, Decreasing Srrnmieeda
February Challenge 2021 Division 2
Frog Sort, Team Name, Prime Game, Maximise Function
March Cook-Off 2021 Division 2
Guess the Number
CodeChef Div 3 Rated Contest 2021 Division 2 (Unrated)
Rectangle, Chef and Patients, Body Mass Index, Total Score
February CodeChef Starters 2021 Division 2 (Unrated)
Maximum Value, College Life 2, Chef and Coupon
March Challenge 2021 Division 2
Interesting XOR!, Chef and Groups, Space Arrays
April Challenge 2021 Division 2
Worthy Matrix, Chef and Dice, Valid Pair
April Cook-Off 2021 Division 2
OR of ANDs, Chocolate Monger
April CodeChef Starters 2021 Division 2 (Unrated)
Thief and Police, Chef On Island, Hiring Test
May Lunchtime 2021 Division 2
Tom And Jerry 1
May Challenge 2021 Division 2 (Rated)
Xor Equality, Tic Tac Toe, Modular Equation
June Challenge 2021 Division 3 (Rated)
Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
June Cook-Off 2021 Division 2
The Wave
July Challenge 2021 Division 2 (Unrated)
XxOoRr, Optimal Denomination
July Cook-Off 2021 Division 2
XOR-ORED
CodeChef Starters 7 Division 2 (Unrated)
Chess Format, Food Chain
August Challenge 2021 Division 2 (Unrated)
Special Triplets, Array Filling, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
August Cook-Off 2021 Division 2
Different String, Chef and Closure, Equal Difference, Clear the Array
CodeChef Starters 9 Division 2 (Unrated)
Black cells in a chessboard, Large Square, Bus full of passengers
September Challenge 2021 Division 2 (Unrated)
XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass
September Cook-Off 2021 Division 2
Zebra Crossing, Adjacency Hatred
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
CodeChef Starters 14 Division 2 (Unrated)
Odd GCD, Diagonal movement, FIXFIX
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, MEX-OR, Three Boxes, Which Mixture
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu, Help Nishant
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points
March Long Two 2022, Division 2 (Unrated)
Missing Numbers
May Long One 2022 Division 2 (Unrated)
Pushpa , The Attack of Queen
May Long Two 2022 Division 2 (Unrated)
Make them Zero
June Long One 2022 Division 2 (Unrated)
Alternate Additions, Equal Strings
June Long Two 2022 Division 2 (Unrated)
Count the ACs, Reversal Sorting, Strong Elements
July Long One 2022 Division 2 (Unrated)
Slow Solution
July Long Two 2022 Division 2 (Unrated)
Concat Sort, To Divide or Not To Divide, Sum of Product 1
August Long 2022 Division 2 (Unrated)
Hello Equation, Two Trains
September Long 2022 Division 2 (Unrated)
Interesting Subarray, Good Pairs
December Long 2022 Division 2 (Unrated)
Gcd of Subarrays, Maximise XOR
January Long 2023 Division 2 (Unrated)
Asymmetric Swaps