August Long Challenge 2017
Chef and Mover, Chef and Rainbow Array, Palindromic Game
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
December Challenge 2017
Total Diamonds, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Chef and Hamming Distance of arrays
October Cook-Off 2017
Chef and Employment Test, Chef and Weird Queries, Chef and Counting Test
December Lunchtime 2017
Days in Month, Strange Function
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
May Cook-off 2018 Division 2
Best Cake Ever, Secret Recipe
May Lunchtime 2018 Division 2
Trace of Matrix, Count Substrings
May Challenge 2018 Division 2
S-T Mincut, Mighty Friend, Change the Signs, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs
June Challenge 2018 Division 2
Sheokand and String, Naive Chef, Binary Shuffle, Vision
August Challenge 2018 Division 1
Coordinate Compression , Modular GCD
September Challenge 2018 Division 1
AND Square Subsegments, Sasha and Photos, Table Game, Bad Shuffle
Quick Code (Rated for Division 2)
Immortal Frieza, Majin Vegeta
India