September Challenge 2017
Minimum Good Permutation, Chef and Pick Digit, Little Chef and Sums
November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove
August Cook-Off 2018 Division 2
Balsa For The Three, Mixi Game
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Circles, Byte to Bit, Chef and Serves, Appy and Balloons
October Lunchtime 2018 Division 2
Three Friends, Coloring the Grid
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success
India