func getConcatenation(nums []int) []int { ans := make([]int, 2*len(nums)) for i, n := range nums { ans[i] = n ans[len(nums)+i] = n } return ans }
main.go
Solution in Go
func getConcatenation(nums []int) []int { ans := make([]int, 2*len(nums)) for i, n := range nums { ans[i] = n ans[len(nums)+i] = n } return ans }
main.go
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