October Challenge 2021 Division 3 (Rated)
Digit Removal, Longest AND Subarray, Which Mixture, MEX-OR, Three Boxes
October Cook-Off 2021 Division 2
Can You Reach The End, Odd Sum, Find the Modulus, 01 Subsequence
October Lunchtime 2021 Division 2
Median Rearrangement, Chef and Water Car, Exactly N plus 1 Values
Starters 74 Division 1 (Rated till 6-Stars)
Mana Points, Odd Even Binary String, Minimal Inversions, Lcm hates Gcd, Chef And Babla, Distinct Values, Maximum Xor Sum, Candies, Facebook
Starters 77 Division 1 (Rated till 5 Stars)
Concat Palindrome, K Increment Palindrome, Three Numbers
Starters 85 Division 1 (Rated till 6 stars)
Crazy Bishops on Chessboard, Efficient PAN Linking, GCD Queries, TripTastic
Starters 83 Division 1 (Rated)
Construct String, Order by XOR, Saber Slays, Rotate to Minimum, Restoration
Starters 89 Division 1 (Rated till 5 Stars)
Positive or Negative Subarrays, Subarray Removal, Two Averages, Evil Infection
Starters 94 Division 1 (Rated till 5 Stars)
Possible or Not, Search for 404, Special Operation, The Vowel Matrix
Starters 125 Division 1 (Rated till 6-Stars)
Bucket Game, Binary Minimal
Starters127 Division 1
Array Operations, ABC Conjecture, Anti-Triangle
Starters 128 Division 1 (Rated till 6-Stars)
Binary Substring, XOR And Multiply
Starters 130 Division 1 ( Rated till 6-Stars)
Updating A, Make Equal, Good Binary String
Starters 131 Division 1 (Rated till 5 Stars)
K-Closeness, Digit Space, Encrypt Value, T-Perm
India