November Challenge 2018 Division 2
Chef and Difficult Contests
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!
December Lunchtime 2019 Division 2
Stupid Machine, Check Algorithm
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 2
Chef and DAG, Pintu and Fruits, XOR Engine, Ada Bishop 2
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
UWCOI 2020 (Rated for all)
Find maximum in an Array, Button Pairs
July Cook-Off 2020 Division 1
Even-tual Reduction, OR-thodox Distinction
June Challenge 2021 Division 2 (Unrated)
Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
November Challenge 2021 Division 3 (Rated)
Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper
India