[1주차] EunseoPark - 9문제 #11
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kny0ng125
approved these changes
Aug 26, 2025
| class Solution { | ||
| public int[] twoSum(int[] nums, int target) { | ||
| Map<Integer,Integer> hm = new HashMap<>(); | ||
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기존 코드도 깔끔한데 추가로 최적화하는 방안 생각하는 거 좋습니다
| if(visited[pre]==t) return false; //이미 지난 | ||
| // 🔍 [행 차 == 열 차 | ||
| if(Math.abs(pre - now) == Math.abs(visited[pre] - t)) return false; | ||
| } |
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행 차 열 차 절댓값으로 계산하는 건 생각 못했던 부분이라서 괜찮은 것 같아요
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📌 PR 내용