March Challenge 2017
Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix, Xenny and Alternating Tasks
April Challenge 2017
Dish Of Life, Similar Dishes
May Challenge 2017
Median of adjacent maximum numbers, Courses in an university, Chef and his daily routine
June Challenge 2017
A Good Set, Xenny and Coin Rankings
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
September Cook-Off 2017
Statistics Construction, Subsequence Equality
India