July Challenge 2014
Count Substrings, Reach The Point
January Challenge 2015
Chef and Stones, Gcd Queries
February Challenge 2015
Chef and Chain, Let us play with rank list, Chef and Equality
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
May Challenge 2015
Chef and Prime Divisors, Set Difference , Chef and new recipe
July Challenge 2015
Bread, Chef and Cube, Na2a and lucky stone
May Cook-Off 2015
Devu and friendship testing
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
March Challenge 2016
Palindromic substrings, maximize the sum
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
India