July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Who dares to be a millionaire, Count Subarrays, Time measure
April Cook-Off 2015
Equality, Version Control System
May Cook-Off 2015
Devu and friendship testing
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
September Mega Cook-Off 2015
Forgotten Language, Stacks
November Cook-Off 2015
Sereja and Line, Sereja and Array and Subtracting
July Lunchtime 2015
Greedy puppy, Puppy and game
August Lunchtime 2015
Churu and lost string, Minimum Maximum
September Lunchtime 2015
Sum of palindromic numbers
January Long Challenge 2016
Churu and Balls, Devu and Perfume
April Challenge 2016
Chef and Ballons, Chef And Coloring
June Challenge 2016
Chef and Coins Game, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Robots Competition, Chefland and Electricity
September Challenge 2016
Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
India