Abu Obaida Opu
- 5★obaida
- Professional
- Structured Data Systems Limited
- No Active Plan. View Details
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Ratings System Update
(2017-06-12 15:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
None
Practice Paths (0)
None
Contests (24)
January 2011 Challenge
Flu Shot Lineup, Chess Pushing Game, Count Relations, Splitting Giant Subs
April Long Contest
Gravel, Rectangles Counting, Central Point, Number Game Revisited
June Long Contest 2011
Maximal Score Path, Chef Teams
August Long Contest 2011
Infinite Grid Game
November Cook-Off
Subanagrams
January 2012 Challenge
Houses and Restaurants, Lucky Sum
February 2012 Challenge
Box and Ball System, Lucky Count, Lucky Long, Word Couting, Count of Maximum
March 2012 Challenge
Spoon in Matrix, Home Delivery, Lucky Number, Longest Weird Subsequence, Free Shuttle Service
April Challenge 2012
PDS Number, Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight
April Cook-Off 2012
Top Batsmen, Resistance
June Challenge 2012
Little Elephant and Product, Arranging Cup-cakes, Doom Bakes Cakes, Little Elephant and Candies
July Challenge 2012
Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating
August Challenge 2012
Lucky Driving, Range of Data
September Challenge 2012
Lights, Queries About Numbers, Racing Horses
October Challenge 2012
Little Elephant and Order, Fierce Battles, Event Organizer, Blade Master, The New Scheme, Need More Diamonds
November Challenge 2012
Candy Collecting Game, Jam Board, A Wonderful Chocolate
February 2013 Challenge
Little Elephant and Cards, Buy1-Get1, Magic Board, Triangular Queries, Climbing Stairs, Word Play
October Cook-Off 2013
Polo the Penguin and the Test, Polo the Penguin and the Numbers
December Challenge 2013
Funny Marbles, Magic Pairs, Reign, Rectangular Queries
February Challenge 2015
Chef and Equality, Let us play with rank list, Chef and Strings, Chef and Strange Formula, Time to Study Graphs with Chef, Chef and Chain
March Challenge 2015
Count Substrings, Chef and Notebooks, Sign Wave
June Challenge 2017
Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets