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Deven
15 lines
616 B
Python
15 lines
616 B
Python
class Solution:
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def permute(self, nums: List[int]) -> List[List[int]]:
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def permute_with_prefix(nums: List[int], prefix: List[int]):
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# Base case
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if len(nums) == 1:
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return [prefix + nums]
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permutations = []
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for i in range(len(nums)):
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permutations += permute_with_prefix(nums[:i] + nums[(i + 1):], # Remove the ith element from nums
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prefix + [nums[i]])
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return permutations
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# Initial call
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return permute_with_prefix(nums, []) |