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(2021-05-17 15:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Contests (38)
May Challenge 2016
Chef and Balls, Laddu
August Challenge 2016
Chef and Chocolate
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
November Challenge 2016
Count Permutations, Chef and squares, Task for Alexey
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Greedy Candidates
October Challenge 2017
Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Max Mex, Counter Test For CHEFSUM, A Balanced Contest
December Challenge 2017
Total Diamonds, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Chef and Hamming Distance of arrays
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel
March Challenge 2018 DIV 2
Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas
April Challenge 2018 Division 2
Weight of Numbers, Count Good Prefixes, Workers
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
July Challenge 2018 Division 2
Reach Equilibrium, No Minimum No Maximum, Gears, Magic Set, Strike or Spare, No Strings Attached
August Challenge 2018 Division 1
Coordinate Compression , Modular GCD, Lonely Cycles
September Challenge 2018 Division 1
Table Game, Bad Shuffle
November Challenge 2018 Division 1
Appy Loves One
October Challenge 2018 Division 1
Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard
July Lunchtime 2018 Division 1
Forced Particles, Prime divisors
May Challenge 2019 Division 1
Where to Build the Roads
August Challenge 2019 Division 2
Guddu and his Mother, Encoding, Dilemma, Football, Distribute Apples, Zombie and the Caves
September Challenge 2019 Division 1
Fuzzy Linear Combinations, Chef Designed a Network
November Challenge 2019 Division 2
Weapon Value
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
July Challenge 2020 Division 1
Ada King, LCM Constraints, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 1
Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 1
Find XOR, Ada Matrix
October Challenge 2020 Division 1
Positive AND, Replace for X
January Challenge 2021 Division 2
Watching CPL, Fair Elections
December Challenge 2020 Division 2
Hail XOR, Square Root of LCA Convolution, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
February Challenge 2021 Division 2
Frog Sort, Team Name, Prime Game, Maximise Function
March Challenge 2021 Division 2
Interesting XOR!, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Maximum Topological Sort
April Challenge 2021 Division 2
Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Boolean Game
May Challenge 2021 Division 2 (Rated)
Valid Paths, Tree House, Xor Equality, Tic Tac Toe, Modular Equation
June Challenge 2021 Division 2 (Unrated)
Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat, Minimum Subtree Cover
September Challenge 2021 Division 2 (Unrated)
XOR Equal, Shuffling Parities, 2-D Point Meeting, Airline Restrictions, Travel Pass
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, MEX-OR
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, List of Lists