19 lines
294 B
Go
19 lines
294 B
Go
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package main
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// Time: O(n)
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// Space: O(1)
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func twoSum(numbers []int, target int) []int {
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p1, p2 := 0, len(numbers)-1
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for p1 < p2 {
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s := numbers[p1] + numbers[p2]
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if s > target {
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p2--
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} else if s < target {
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p1++
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} else {
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return []int{p1 + 1, p2 + 1}
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}
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}
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return []int{}
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}
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