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- def twoSumConstSpace(list: Array[Int], k: Int): Boolean = {
- util.Arrays.sort(list)
- var i = 0
- var j = list.length - 1
- while (i < j) {
- val sum = list(i) + list(j)
- if (sum == k) {
- return true
- } else if (sum < k) {
- i += 1
- } else {
- j -= 1
- }
- }
- false
- }
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