January Challenge 2018
K-Concatenation, Maximum Score, Rectangle
January Lunchtime 2018
Chef and Game with Sequence
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
November Cook-Off 2018 Division 2
Beautiful Garland, Truth and Dare
March Lunchtime 2018 Division 2 (Unrated)
Chef and Friends, Magic Elements
April Challenge 2018 Division 2
Weight of Numbers, Workers
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again
July Challenge 2018 Division 2
Magic Set, Strike or Spare, Reach Equilibrium
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Circles, Byte to Bit, Chef and Serves, Appy and Balloons
Code Melange (Rated)
The Deadly Sin, Candy Love
India