Python Recursive Version


  • 0
    Y
    class Solution(object):
        def subsets(self, nums):
            result,each = [],[]
            count = len(nums)
            self.helper(nums, result, each, count)
            return result
        def helper(self, nums, result, each, count):
            if count == 0:return result.append(each)
            self.helper(nums[1:], result, each + [nums[0]], count - 1)
            self.helper(nums[1:], result, each, count - 1)

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