September Challenge 2021 Division 3 (Rated)
XOR Equal, Shuffling Parities, 2-D Point Meeting, Airline Restrictions, Travel Pass
CodeChef Starters 11 Division 3 (Rated)
Positive Spewing, ATM Queue, The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes
CodeChef Starters 14 Division 2 (Unrated)
Diagonal movement, FIXFIX, Task Times, Odd GCD
September Lunchtime 2021 Division 2
Balanced and Unique Arrays, Yet another SOD problem
CodeChef Starters 28 Division 2 (Rated)
Travelling in the Graph, Permutation Xority, Interactive Tree, Count the Holidays, Interactive Tree 2
Starters 35 Division 2 (Rated)
Jump to Sibling, Dark Light, Admins and Shopping
Starters 50 Division 2 (Rated)
Air Blimp, Average Permutation, Add Subtract Equalize, Beautiful Array, Permutation GCD, Sum Product Segments
Starters 149 (Rated)
Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Starters 151 (rated)
RGB Grid (Easy), RGB Grid (Medium), Shooting (Easy), Convert string, Sequence Search, RGB Grid (Hard), Shooting (Hard), Ball Game
Starters 153 (Rated till 5 stars)
Another Game, Colorful Tree (Easy Version), Xometry (Easy Version), Xometry (Hard Version)
Starters 154 (Rated till 6 stars)
Min Max Paths, Tree Cut Xor, Count Winning Subarrays, GCD and XOR, Triangle Count (Hard), Triangle Count (Easy)
Taiwan