September Challenge 2020 Division 2
A Problem on Sticks, Chefina and Swap, Coronavirus Spread 2, Ada Matrix
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Iron, Magnet and Wall
December Cook-Off 2020 Division 2
Self-Destructing Strings, Catch the Thief, Minimum Attendance Requirement
December Lunchtime 2020 Division 2 (Unrated)
Horoscope Matrix, One Zero Swaps, Sed Sequences, Three Letters
May Lunchtime 2021 Division 2
Charges, Tom And Jerry 1, Total Components, K-Subarrays
June Lunchtime 2021 Division 2
From Rational to Binary, False Number, Unpleasant Ones
October Cook-Off 2021 Division 2
Odd Sum, Find the Modulus, 01 Subsequence, Chef Up, Can You Reach The End
October Lunchtime 2021 Division 1
Median Rearrangement, Tree Upshot
November Cook-Off 2021 Division 1
Non-Decreasing Subsequence of size K, Product Pain
December Lunchtime 2021 Division 1
Romantic Reversals, Optimal Sorting
May Cook-Off 2022 Division 2 (Rated)
Different Subarrays Rearrange, Doubled Distances, Triple Inversions
June Cook-Off 2022 Division 2 (Rated)
Throw and Take, Simple XOR, Break the Stick, Split AND Sum
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