May Challenge 2017
Courses in an university, Median of adjacent maximum numbers, Chef and his daily routine
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers
August Long Challenge 2017
Chef and Mover, Strings and Graphs, Greedy Candidates, Palindromic Game, Chef And Fibonacci Array, Chef and Rainbow Array
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
August Cook-Off 2017
Real obtuse, From heaven to earth
January Challenge 2018
K-Concatenation, Partition the numbers, String Merging, Maximum Score, Rectangle
International Coding League (Rated)
Matrix Game, Stingy Strings, Maze Love
March Challenge 2018 DIV 1
Chef and Easy Problem, Mix the Colors, Minions and Voting
January Challenge 2019 Division 1
A Pizza Slice, Distinct Pairs, Different Neighbours, Yet Another Problem About Sequences
Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)
XOR! Wait for it, Return of the Gargoyle King, Ross goes for Shopping, Summation over nCr
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Art of Balance, Maximize the Tax
India