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(2026-05-27 22:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
Practice Paths (1)
Contests (30)
October Challenge 2019 Division 2
Phone Prices
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
February Lunchtime 2021 Division 3
Daanish and Problems, Coprime Range, Smallest Possible Whole Number
March Challenge 2021 Division 3
Interesting XOR!, Chef and Groups, Consecutive Adding, Paparazzi Gennady, Space Arrays, Wireless Electricity (Challenge), No Time to Wait
March Lunchtime 2021 Division 2
Lunchtime, Racing, Dinner by Candlelight
April Challenge 2021 Division 2
Chef and Dice
CodeChef Starters 22 Division 3 (Rated)
An Interesting Sequence, Equal Card Game, Elections in Chefland
Exun 2021-22 Division 2 (Rated)
Sarthak and his Magic Grid
CodeChef Starters 23 Division 3 (Rated)
Average of Three, Chef and Profits, Subarray Mex
CodeChef Starters 29 Division 3 (Rated)
Bomb the base, Plusle and Minun on Array, String protocol
CodeChef Starters 31 Division 3 (Rated)
XOR and AND, Alternating String, Sign Moves, The Unchanging OR, Group Assignment
June Long One 2022 Division 2 (Unrated)
Alternate Additions
Starters 47 Division 2 (Rated)
Copy and Push Back, Similar Heights, End Sorted
Starters 48 Division 2 (Rated)
Make Palindrome 2, Positive array, Fill The Grid
Starters 49 Division 2 (Rated)
Split The String, High Frequency, Monks, Valid Minimum
Starters 51 Division 2 (Rated)
Split N, Different Medians
September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)
Stick Break, Permutation Creation
Starters 127 Division 2
Anti-Triangle, Superincreasing, ABC Conjecture
Starters 128 Division 2 (Rated)
Binary Substring, Disjoint Non-Decreasing Array, XOR And Multiply, MEXimize the Array
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception
Starters 151 (rated)
Ball Game, Sequence Search, Convert string, Shooting (Easy)
Starters 152 (Rated)
Completion (Easy), Range Minimize, Anti-Palindrome Queries, Maximize Hamming Distance, Completion (Hard)
Starters 153 (Rated)
Butterfly, Another Game, Colorful Tree (Easy Version), Xometry (Easy Version)
Starters 154 (Rated)
Tree Cut Xor, Count Winning Subarrays
Starters 174 (Rated)
Deletion and Difference, Mystic Slimes, GCD Add Size, Meximal Sum
Starters 176 (Rated)
Same And, Friendly Binary Strings, Clothing Store, Costly Summit, Mex-P Tree (Easy)
Starters 177 (Rated)
Sum By OR, Flip or Reverse, Counting 01 and 10, Ordered Distances, 2 Boxes
Starters 182 (Rated)
Bar Queue, Palindromic Score, Beautiful Garden, MasterChef
Starters 218 (Rated till 5 stars)
Collatz Conjecture (Hard), Collatz Conjecture (Easy), Deleting Array Again, Counting Optimal Arrays
Starters 240 (Rated till 6 star)
Partition, Scoring Tree, Counting LCM (Easy), Binary Smile