March Challenge 2013
Approximately, Tourist Translations, Minesweeper, Fire Escape Routes
July Cook-off 2013
Chopsticks, A Plus B Again!
March Challenge 2014
Walk, Little Chef and Numbers
June Challenge 2014
Chef and Subarray, Guessing Game, Forgot Password
January Challenge 2015
Chef and Stones, Sereja and Votes
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
October Challenge 2015
Who dares to be a millionaire, Spheres, Count Subarrays, Time measure
May Cook-Off 2015
Devu and friendship testing
October Cook-Off 2015
Word Stem, Almost Sorted Permutation
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
India