DIY: Snapshot Array
Solve the interview question "Snapshot Array" in this lesson.
We'll cover the following...
Problem statement
In this challenge, you have to implement a SnapshotArray
with the following properties:
-
init(length)
: This property initializes a data structure withlength
number of indexes. Initially, the value at each index is0
. -
set_value(obj,idx,val)
: This ...