[20250731] BOJ / G5 / 두 수의 합 / 설진영 #585
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🧷 문제 링크
https://www.acmicpc.net/problem/9024
🧭 풀이 시간
25분
👀 체감 난이도
✏️ 문제 설명
n개의 정수로 이루어진 수열에서 두 수를 골라 그 합이 k에 가장 가까운 경우의 수를 구하는 문제
🔍 풀이 방법
투포인터 사용 left, right 포인터로 양 끝에서 시작해서 합을 계산
⏳ 회고
투 포인터 기본 문제인듯