November Challenge 2019 Division 2
Hard Sequence, Weapon Value
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
COVID Pandemic and Long Queue, Sell All the Cars
March Cook-Off 2020 Division 2
Find Your Gift, Box of Chocolates
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
February Lunchtime 2020 Division 2
At the Gates, Not All Flavours
May Lunchtime 2020 Division 2
Lost Weekends, Convert the String, Weird Walk
UWCOI 2020 (Rated for all)
Button Pairs, Find maximum in an Array
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
July Challenge 2020 Division 1
Doctor Chef, Missing a Point, Chefina and Swaps
July Cook-Off 2020 Division 1
Even-tual Reduction, OR-thodox Distinction
June Lunchtime 2020 Division 2
Maximum AND, Chef and Demonetisation, Increasing Decreasing, Gold Mining
India