Subset

Given a set of distinct integers, S, return all possible subsets.

Note:

  • Elements in a subset must be in non-descending order.
  • The solution set must not contain duplicate subsets.
  • Also, the subsets should be sorted in ascending ( lexicographic ) order.
  • The list is not necessarily sorted.

Example :

If S = [1,2,3], a solution is:

[
  [],
  [1],
  [1, 2],
  [1, 2, 3],
  [1, 3],
  [2],
  [2, 3],
  [3],
]
NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a doubt? Checkout Sample Codes for more details.
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Asked In:
  • Amazon
  • Microsoft
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