September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci, Biladerim Icin, Fuzzy Linear Combinations, Chef Designed a Network, Chef and Interesting Subsequences
October Challenge 2019 Division 1
Array Modification, (Challenge) Maximizing LIS, Chef and Maximum Star Value, Bacterial Reproduction, Even Edges
March Challenge 2020 Division 1
Chef and DAG, Lasers Everywhere, Lasers Everywhere Alternative
May Lunchtime 2020 Division 1
Convert the String, Tree difference
Biteration #2 (Rated for Division 2)
A - Books, C - Chef and Maths
August Challenge 2020 Division 1
Subsequence Frequency Counting, Chef and Wedding Arrangements, Smallest KMP, Insanely Hard School Exams, Chefina and Strange Tree
RECode 12.0 (Rated for all)
Chef and String, Chef and Walk, Chef and Rotation, Chef and Numbers
January Lunchtime 2021 Division 1 (Unrated)
Even Sum, Dreams of Divisibility, Shifting Spoons, Good Grid
CodeChef Div 3 Rated Contest 2021 Division 1 (Unrated)
Maximum Size Hollow Square, Rectangle, Chef and Patients, Total Overlap, Body Mass Index, Total Score
CodeChef Starters 10 Division 1 (Unrated)
Grid Path, Maximise the Subsequence Sum, Remove One Element
India