September Challenge 2015
Nikitosh and xor, Chain of Doughnuts, Cracking the Code, Lighthouses, Count Steps in Matrix, Bank robbery
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
September Mega Cook-Off 2015
Super Numbers, Stacks, Forgotten Language, Reign 2
September Lunchtime 2015
Sum of palindromic numbers
May Challenge 2019 Division 1
Ada Rooks 2, Matches, Reduce to One, Where to Build the Roads
May Lunchtime 2019 Division 1 (Unrated)
Abdullah and Toll Discounts, Reverse Maximisation, Grid Tour
June Challenge 2019 Division 1
Lent Money, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, (Challenge) SnackDown 99
June Lunchtime 2019 Division 1
The Grux Permutation , Igzi and Burly Array
July Challenge 2019 Division 1
Snake and Apple Tree, Circular Merging, LOVEMUFFIN, Codechef War, Guess the Prime!, Hit the Coconuts
August Challenge 2019 Division 1
Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay
Vietnam