July Cook-Off 2014
Sum Queries, Friends, Copy-Paste
June Challenge 2014
Chef and Digit Jumps, Chef and Subarray, Guessing Game
August Challenge 2014
Cleaning Tables, Chef and Gift, Little Elephant and T-Shirts
June Lunchtime 2014
The Smallest Pair, Dynamic Inversion
July Lunchtime 2014
And Operation, Shift The String
January Challenge 2015
Gcd Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and A Large Permutation, Queries on the String, Chef and Stones
June Challenge 2015
Steady tables, Chef and Memory Limit, Chef and Polygons
August Challenge 2015
Gravity Guy, Cooking Machine
December Challenge 2018 Division 2
Chef and Interactive XOR, Chef and An Ideal Problem, Chef and Interactive Contests, Chef and Meatballs, Max and Electrical Panel, (Challenge) Delete DAG
November Challenge 2018 Division 2
Appy Loves One, Chef and Difficult Contests, Chef and Happiness
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance
United States