April Challenge 2014
Shortest Path in Binary Trees, Farmer Feb
September Challenge 2014
Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation
October Challenge 2014
Remy paints the fence, Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality
April Challenge 2015
Chef and Piano Scales, Chef and Interview, Broken Telephone, Count Sequences
May Challenge 2015
Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Cake
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons
August Challenge 2015
Devu And Churu , Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Lighthouses
India