package product_of_array_except_self

func ProductExceptSelf(nums []int) []int {
	result := []int{}

	for range nums {
		result = append(result, 1)
	}

	lower_sum := 1

	for i := range len(nums) {
		result[i] *= lower_sum
		lower_sum *= nums[i]
	}

	upper_sum := 1

	for i := range len(nums) {
		result[len(nums)-1-i] *= upper_sum
		upper_sum *= nums[len(nums)-1-i]
	}

	return result
}