29 lines
517 B
Go
29 lines
517 B
Go
package main
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func subsets(nums []int) [][]int {
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var sets [][]int
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var subsetsRec func(int)
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var runningSet []int
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subsetsRec = func(i int) {
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if i == len(nums) {
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toAppend := make([]int, len(runningSet))
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copy(toAppend, runningSet)
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sets = append(sets, toAppend)
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return
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}
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// Skip the current element
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subsetsRec(i + 1)
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// Include the current element
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runningSet = append(runningSet, nums[i])
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subsetsRec(i + 1)
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runningSet = runningSet[:len(runningSet)-1]
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}
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subsetsRec(0)
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return sets
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}
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