Can you help me this (i think this problem can be used for many orthers) : We have arrange a and q querries (q <= 1e5) and there are 2 type : 1 x y : put a[y] between index x — 1 and x (ex : a[] = {1,9,3,6,5} and querry is 1 2 4 then a[] = {1,6,9,3,5}) 2 x : show the value of a[x] sorry bad english and thanks for the help :DD