March Challenge 2018 DIV 2
Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas, Pishty and Triangles
March Cook-off 2018 Division 2
Chef Judges a Competition
August Cook-Off 2018 Division 1
GukiZ and Candies, Mixi Game
March Lunchtime 2018 Division 2 (Unrated)
Partitions, Magic Elements, Three Integers, Chef and Friends
April Challenge 2018 Division 2
Chef and Array (Challenge), Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
May Challenge 2018 Division 2
Dibs on Fibs, Fake Binary Search, Xor Again, Change the Signs, Mighty Friend, Minimum Deletions
July Challenge 2018 Division 1
Reach Equilibrium, No Minimum No Maximum, Gears, No Strings Attached
August Challenge 2018 Division 1
Coordinate Compression , Modular GCD, Lonely Cycles
September Challenge 2018 Division 1
Bad Shuffle, Table Game, Sasha and Photos, AND Square Subsegments, Chef and Condition Zero (Challenge)
December Challenge 2018 Division 1
(Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR
September Challenge 2019 Division 1
Expected GCD, (Challenge) Sebi and CPU Design, Chef Designed a Network, Doofish Set, Fuzzy Linear Combinations, Biladerim Icin
October Challenge 2019 Division 1
Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS
India