14 lines
494 B
Java
14 lines
494 B
Java
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// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/68644
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import java.util.HashSet;
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class Solution {
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public int[] solution(int[] numbers) {
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HashSet<Integer> answer = new HashSet<Integer>();
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for(int a = 0; a < numbers.length-1; a++){
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for(int b = a+1; b < numbers.length; b++){
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answer.add(numbers[a]+numbers[b]);
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}
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}
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return answer.stream().sorted().mapToInt(x->x.intValue()).toArray();
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}
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}
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