September Challenge 2017
Minimum Good Permutation, Little Chef and Sums, Chef and Pick Digit
December Challenge 2017
Chef And his Cake, Penalty Shoot-out
May Challenge 2018 Division 2
Dibs on Fibs, Fake Binary Search, Xor Again, Minimum Deletions, Change the Signs, Mighty Friend
July Challenge 2018 Division 1
Reach Equilibrium, No Minimum No Maximum, Gears
August Challenge 2018 Division 1
Coordinate Compression , Modular GCD
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice
India