First sample input
last query is 3,0 decoded query is 3,1
Table is [c,d] = [1,2] [3,1] [1,1]
So answer should be 2, unless table is round so he can pick up last and first, sums up to 3.
First sample input
last query is 3,0 decoded query is 3,1
Table is [c,d] = [1,2] [3,1] [1,1]
So answer should be 2, unless table is round so he can pick up last and first, sums up to 3.