August Challenge 2015
Cooking Machine, Aditi and Magic Trick, Gravity Guy
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Count Subarrays, Who dares to be a millionaire
September Lunchtime 2015
Sum of palindromic numbers
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
August Lunchtime 2016
Studying Alphabet, Lock-Free Stack
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number
October Lunchtime 2019 Division 2
Khaled in HIT, Counting Inversions Revisited
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
India