Richard
- 4★biochem
- United States
- Professional
- Other
- No Active Plan. View Details
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Ratings System Update
(2021-05-17 15:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (14)
January Challenge 2018
Maximum Score, K-Concatenation, Partition the numbers, Rectangle, String Merging
January Cook-Off 2018
Multiple of 3, Survive in ChocoLand
February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Line
March Challenge 2018 DIV 1
Minions and Voting, Mix the Colors, Chef and Easy Problem
August Challenge 2020 Division 1
Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Divide Candies, Ada Matrix
October Challenge 2020 Division 1
Inversions, Positive AND, Replace for X, D-Dimensional MST
November Challenge 2020 Division 1
Restore Sequence, Magical Candy Store
January Challenge 2021 Division 1
Chef and Ants, Guess the Tiling, Expected Number of SCCs, Blackjack
December Challenge 2020 Division 1
Hail XOR, Calculus, String Operations, Positive Prefixes, Even Pair Sum
March Challenge 2021 Division 1
Paparazzi Gennady, Space Arrays
April Challenge 2021 Division 1
Worthy Matrix, Chef and Dice, Binary String MEX
May Challenge 2021 Division 2 (Rated)
Xor Equality, Tic Tac Toe
July Challenge 2021 Division 2 (Unrated)
XxOoRr
August Challenge 2021 Division 2 (Unrated)
Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
May Long Two 2022 Division 2 (Unrated)
Xor Palindrome, Make them Zero
June Long One 2022 Division 2 (Unrated)
Divisible by i , Possible GCD, Alternate Additions, Equal Strings