Richard Feynman
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Singapore- Other
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Ratings System Update
(2026-05-06 22:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
Practice Paths (1)
Contests (8)
March Challenge 2021 Division 3
Chef and Groups, Interesting XOR!, No Time to Wait, Wireless Electricity (Challenge), Paparazzi Gennady, College Life 4, Space Arrays
April Challenge 2021 Division 3
Binary String MEX, Worthy Matrix, Chef and Dice, Valid Pair, World Record, Strong Language
May Challenge 2021 Division 2 (Rated)
An Interesting Sequence, Solubility, Golf, Modular Equation, Tic Tac Toe, Xor Equality
June Challenge 2021 Division 2 (Unrated)
Bitwise Tuples, Bella ciao, Summer Heat
July Cook-Off 2021 Division 2
Shoe Fit, XOR-ORED
August Challenge 2021 Division 2 (Unrated)
Special Triplets, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
August Lunchtime 2021 Division 2
K-th Maximum, Just a Graph
CodeChef Starters 10 Division 2 (Rated)
Maximise the Subsequence Sum, Remove One Element
September Challenge 2021 Division 2 (Unrated)
Travel Pass, Airline Restrictions, Shuffling Parities, XOR Equal
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, Digit Removal, MEX-OR
Starters 237 (Rated)
Finding All, Avoiding M (Easy), Election, Avoiding M (Hard), Final Element, Make Triangle, Subset Min Max, DIividing Candies