March Challenge 2018 DIV 2
A Big Sale, Chef and Glove, Mix the Colors
July Challenge 2018 Division 2
No Minimum No Maximum, Magic Set, Strike or Spare, No Strings Attached
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Magician versus Chef 2, Chef and Happiness, Chef and Difficult Contests, Chef, Primes and Trees (Challenge), Good Median, Appy Loves One, Chef and Ridges
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Lent Money, Guddu on a Date, Chef and Ingredients, Intersecting Paths, Sum and GCD
July Challenge 2019 Division 1
Circular Merging, Codechef War
October Challenge 2019 Division 2
Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 2
Weapon Value, Chef and Minimum Colouring, Single Point of Failure, From Zero to Infinity, Smallest Beautiful Number, Hard Sequence, Physical Exercise
December Challenge 2019 Division 1
Chefina and Ranges, Binary XOR, Addition
October Challenge 2020 Division 1
Positive AND, Replace for X
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Iron, Magnet and Wall
Byterace IIT Patna Division 2 (Rated)
Angry Cyborg, The Begining Era Of Cyberverse, Cybalphabit
Vietnam